MicroElektronika EasyMx PRO v7 User Manual

USER'S GUIDE

EasyMx PRO

for Stellaris® ARM

®

v7

Many on-board modules

Multimedia peripherals

Easy-add extra boards

mikroBUS™ sockets

Two connectors for each port

Amazing Connectivity

Fast USB 2.0 programmer and

In-Circuit Debugger

microcontrollers supported

The ultimate Stellaris® board

270

EasyMx PRO™ v7 is our rst development board for Stellaris® ARM® devices. We have put all of our knowledge

that we gained in the past 10 years of developing embedded systems into it's design, functionality and

quality. It may be our rst ARM® Cortex™-M3 and M4 development board, but it sure looks and feels like

it's our 7th.

You made the right choice. But the fun has only just begun!

To our valued customers

Nebojsa Matic,

Owner and General Manager

of mikroElektronika

Table of contents

page 3

DS1820 - Digital Temperature Sensor . . . . . . . . . . . . . .

TFT display 320x240 pixels . . . . . . . . . . . . . . . . . . . . . . .

Audio Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I2C EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing programmer drivers . . . . . . . . . . . . . . . . . . . . . .

Piezo Buzzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LM35 - Analog Temperature Sensor . . . . . . . . . . . . . . . .

Touch panel controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

microSD card slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

It's good to know . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ADC inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Programming software . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Serial Flash Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

On-board programmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

List of MCUs supported with mikroProg

™

. . . . . . . . . .

Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Default MCU card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Other supported MCU cards . . . . . . . . . . . . . . . . . . . . . . .

Navigation switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Additional GNDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction

Power Supply

Supported MCUs

Programmer/debugger

Multimedia

Other Modules

Communication

34

30

28

04

37

14

33

35

31

29

05

38

15

Hardware Debugger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16

36

12

13

06

08

11

32

39

Input/Output Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

mikroBUS

™

sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Click

™

Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connectivity

18

20

21

USB-UART A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB-UART B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB host communication . . . . . . . . . . . . . . . . . . . . . . . . . .

USB device communication . . . . . . . . . . . . . . . . . . . . . . . .

Ethernet communication . . . . . . . . . . . . . . . . . . . . . . . . . .

CAN communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

23

24

25

26

27

EasyMx PRO

v7

Introduction

introduction

page 4

ARM® Cortex™-M3 and Cortex™-M4 are increasingly popular

microcontrollers. They are rich with modules, with high performance and

low power consumption, so creating a development board the size of

EasyMx PRO™ v7 for Stellaris® was really a challenge. We wanted to

put as many peripherals on the board as possible, to cover many

internal modules. We have gone through a process of ne tuning

the board performance, and used 4-layer PCB to achieve maximum

eciency. Finally, it had met all of our expectations, and even

exceeded in some. We present you the board which is powerful,

well organized, with on-board programmer and debugger and

is ready to be your strong ally in development.

EasyMx PRO™ v7 for Stellaris® development Team

EasyMx PRO™ v7 for Stellaris® is
all about connectivity. Having

two dierent connectors for

each port, you can connect
accessory boards, sensors and
your custom electronics easier
then ever before.

Powerful on-board mikroProg

™

programmer and hardware
debugger can program and
debug over 270 Stellaris

®

ARM

®

microcontrollers. You
will need it, whether you are a
professional or a beginner.

Two connectors for each port Everything is already here

Amazing connectivity mikroProg™ on board

TFT 320x240 with touch panel,
stereo mp3 codec, audio input
and output, navigation switch

and microSD card slot make a

perfect set of peripherals for
multimedia development.

Ready for all kinds of development

Multimedia peripherals

Just plug in your Click™ board,
and it’s ready to work. We picked

up a set of the most useful pins
you need for development and
made a pinout standard you will
enjoy using.

For easier connections

mikroBUS™ support

EasyMx PRO

v7

It's good to know

Package contains

introduction

page 5

System Specication

LM3S9B95 is the default microcontroller

power supply

7–23V AC or 9–32V DC
or via USB cable (5V DC)

board dimensions

266 x 220mm (10.47 x 8.66 inch)

weight

~445g (0.981 lbs)

power consumption

~137mA when all peripheral
modules are disconnected

Damage resistant
protective box

EasyMx PRO™ v7 board
in antistatic bag

USB cable User Manuals and

Board schematic

DVD with examples
and documentation

1 2 3 4 5

LM3S9B95 is the default chip of EasyMx PRO™ v7.

It belongs to ARM® Cortex™-M3 family. It has

80MHz operation, 256K bytes of linear program

memory, 96K bytes of linear data memory. It has

integrated Ethernet controller with PHY, USB

(OTG, Host, Device), up to 65 General purpose I/O

pins, 5 16-bit timers, 16 Analog Input pins (AD),

3 UARTs, internal Real time clock (RTC), a pair of

each: I2C, SPI and CAN controllers. It also contains

3 analog comparators, 16 digital comparators.

It is pre loaded with StellarisWare® libraries and

bootloader in ROM.

- Great choice for both beginners

and professionals

- Rich with modules

- Comes with examples for mikroC,

mikroBasic and mikroPascal compilers

Copyright ©2011 Mikroelektronika.

All rights reserved. Mikroelektronika, Mikroelektronika logo and other

Mikroelektronika trademarks are the property of Mikroelektronika.
All other trademarks are the property of their respective owners.

Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

Power supply

Board contains switching power

supply that creates stable voltage

and current levels necessary

for powering each part of
the board. Power supply
section contains specialized

MC33269DT3.3 power regulator

which creates VCC-3.3V power supply,

thus making the board capable of supporting

3.3V microcontrollers. Power supply unit can be

powered in three dierent ways: with USB power supply

(CN5), using external adapters via adapter connector (CN16)

or additional screw terminals (CN15). External adapter voltage levels

must be in range of 9-32V DC and 7-23V AC. Use jumper J1 to specify

which power source you are using. Upon providing the power using either external

adapters or USB power source you can turn on power supply by using SWITCH 1 (Figure

3-1). Power LED ON (Green) will indicate the presence of power supply.

Figure 3-2: Power supply unit schematic

Figure 3-1: Power supply unit of EasyMx PRO

™

v7 for

Stellaris

®

VCC-5V

POWER

R59
2K2

LD1

C36
100nF

VCC-5V

2

1

3

GND

Vout

Vin

REG1

MC33269DT3.3

E14
10uF

3.3V VOLTAGE REGULATOR

VCC-3.3V

E16

220uF/35V/LESR

C35
100nF

1

2

3

4

8

7

6

5

SWC

SWE

CT

GND

DRVC

IPK

VIN

CMPR

U7

MC34063A

R66

0.22

R70
3K

VCC-SW
C39
220pF

D6

MBRS140T3

L1 220uH

E18
220uF/35V/LESR

VCC-EXT

R71
1K

VCC-5V

J1

213

SWITCH1

VCC-USB

VCC-SW

+ -

D2

1N4007

D1

1N4007

D5

1N4007

D4

1N4007

CN16

CN15

E17

220uF/35V/LESR

5V SWITCHING POWER SUPPLY

1

2

3

4

VCC

GND

D-

D+

CN5

USB B

VCC-USB

FP1

C2
100nF

power supply

page 6

EasyMx PRO

v7

How to power the board?

To power the board with USB cable, place jumper J1
in USB position. You can then plug in the USB cable
as shown on images

1

and 2, and turn the power

switch ON.

To power the board via adapter connector, place jumper
J1 in EXT position. You can then plug in the adapter
cable as shown on images

3

and 4, and turn the

power switch ON.

To power the board using screw terminals, place jumper
J1 in EXT position. You can then screw-on the cables in
the screw terminals as shown on images

5

and 6,

and turn the power switch ON.

Board power supply creates stable 3.3V necessary for
operation of the microcontroller and all on-board modules.

Set J1 jumper to
USB position

1. With USB cable

3. With laboratory power supply

Set J1 jumper to
EXT position

Set J1 jumper to
EXT position

2. Using adapter

1

3

5

2

4

6

power supply

page 7

EasyMx PRO

v7

Power supply: via DC connector or screw terminals

(7V to 23V AC or 9V to 32V DC),
or via USB cable (5V DC)

Power capacity: up to 500mA with USB, and up to 600mA
with external power supply

supported MCUs

page 8

EasyMx PRO

v7

Default MCU card

Microcontrollers are supported using specialized MCU cards containing 104 pins,
which are placed into the on-board female MCU socket. There are several types of

cards which cover all microcontroller families of Stellaris

®

Cortex™-M3, as well as

Cortex

™

-M4. The Default MCU card that comes with the EasyMx PRO™ v7 package

is shown on Figure 4-1. It contains LM3S9B95 microcontroller with on-chip
peripherals and is a great choice for both beginners and professionals. After testing

and building the nal program, this card can also be taken out of the board socket
and used in your nal device.

LM3S9B95 is the default chip of EasyMx PRO

™

v7 for Stellaris®. It belongs

to ARM® Cortex

™

-M3 family. It has 80MHz operation, 256K bytes of linear

program memory, 96K bytes of linear data memory. It has integrated Ethernet

controller with PHY, USB (OTG, Host, Device), up to 65 General purpose I/O pins,

ve 16-bit timers, 16 Analog Input pins (AD), three UA RTs, internal Real time
clock (RTC), a pair of each: I2C, SPI and CAN controllers. It also contains 3 analog

comparators, 16 digital comparators. It is pre loaded with StellarisWare®

libraries and bootloader in ROM.

8MHz crystal oscillator. We carefully chose the most convenient crystal

value that provides clock frequency which can be used directly, or with the PLL
multipliers to create higher MCU clock value.

25MHz crystal oscillator. This crystal oscillator is connected to internal

Ethernet module.

VREF jumper. This jumper determines whether PB6 pin is used as voltage

reference for A/D converter, or it is used as general purpose I/O pin. Jumper is
soldered to VREF position by default.

Please note that if VREF jumper is soldered to I/O position Touch Panel
controller will not operate correctly, because it uses voltage from this pin as
a reference for A/D conversion.

2

4

3

1

1

2

3

4

Figure 4-1: Default MCU card with LM3S9B95

page 9

EasyMx PRO

v7

E3
10uF

VCC

E4
10uF

VCC

E1
10uF

VCC

E2
10uF

VCC

27 28

29 30

31 32

33 34

35 36

37

383940

41 42

43

444546

47 48

49 50

51

52

HD2

79

80

8182

8384

85

86

8788

8990

9192

9394

9596

9798

99

100

101102

103

104

HD3

1 2
3 4
5 6
7 8

9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26

HD1

5354

5556

5758

5960

6162

6364

6566

6768

6970

7172

7374

7576

7778

HD4

VCC GND

VCC GND

VCC GND

VCC GND

VCCGND

VCCGND

VCCGND

VCCGND

C1
100nF

VCC

C2
100nF

VCC

C3
100nF

VCC

C4
100nF

VCC

C5
100nF

VCC

XTALP

XTALN

X2

25MHz

C15
22pF

C14
22pF

C6
100nF

VCC

C7
100nF

VCC

C8
100nF

VCC

30

29

28

27

34

33

58

57

56

55

54

53

52

46

36

35

424344

45

37

50

9

48

49

11

12

32

72

69

68

67

66

65

64

63

4
3

78

77

24
23

18
17
16
15
14
13

5

6

7

8

10

79

80

1

2

22
21
20
19

62

61

60

59

38

394041

47

71

31

51

70

26

25

76

75

74

73

LM3S9B95

818283

84

85

86

87888990919293

94

95

96

97

98

99

100

PA7

PA6

ERBIAS

VDD

PF4

PF5

PE5

PE4

LDO

VDD

GND

VDD

PB1/USB0VBUS

VDD

VDD

TXOP

PJ4
PJ5
PJ6
PJ7

GND

TXON

PB5

PB6

PB7

VDD

VDDC

PJ1

PH2

PH3

GNDA
VDDA

PD5

PD4

PE3

PE2

GND

PB4

PD2

PA2

PC6

PC7
GND
VDD
PG0
PG1

USB0DP

USB0DM

NC

PB3/I2C0SDA

PJ0

PD1
PD0

VDDC

PD6

PD7

PE7

PE6

PA1

PA0

PC4

PC5

OSC1

PJ3

PB0/USB0ID

PF2

PF0

OSC0

GND

PJ2

RXIN

MDIO

PF1

PH0

XTALNPHY
XTALPPHY

PH7

PG7

RXIP

PF3

RST

PH1

PA5

PA4

PA3

PD3

GND

PH6
PH5

PB2/I2C0SCL

PC2

PH4

USB0BIAS
PE0
PE1

PC3

PC1

PC0

VDD

GND

U1

VCC

OSC0

OSC1

X1 8MHz

C12 22pF

C13 22pF

VREF

VREF

VCC_CORE

R2 10K

R1

12K4

R3 9K1

C9
100nF

C10
100nF

C11
2u2

VCC_CORE

TX_P

TX_N

RX_P

RX_N

USB-D_N
USB-D_P

PC0

PC1

PC2

PC3

PB6

PF2

PF3

1

2

3

J1

PB0

PH2

PB7

PD4

PD7

PE4
PE5

PE6
PE7

PD5

PD6

PE2

PE3

PG0
PG1

PC4

PC6

PH0

PH1

PA7

PB2

PB3

PF0

PF1

PF4

PF5

PH7

PA1

PB1

PC5

PD0

PD1

PD2

PD3

PA0

PA2

PA4

PA5

PB4

PB5

PC7

PE0
PE1

PJ0

PJ1 PJ2

PJ3

PJ4
PJ5
PJ6
PJ7

PA3

PA6

PG7

PH3

PH4

PH5

PH6

RST#

PH4

PC0

PC1PC2

PC3

PH2

PB7

PD4

PD7

PD5

PD6

PE2 PE3

PH0

PH1

PB4PB5

PJ1

PH3

PB6

PE4 PE5
PE6 PE7

PG0 PG1

PC4
PC6

PH7

PC5

PD0PD1

PD2PD3

PC7

PJ0

TX_PTX_N

RX_P RX_N

PA7

PF0

PF4 PF5

PA1 PA0

PA2

PA4PA5

PJ2

PJ3

PA3

PA6

PG7

USB-D_M

USB-D_P

PF2PF3

PB0

PB2

PB3

PF1

PB1

PE0 PE1

PJ4 PJ5
PJ6 PJ7

PH5

PH6

RST#

GND

GND GND

Figure 4-2: Default MCU card schematic

supported MCUs

page 10

1 2 3

EasyMx PRO

v7

Before you plug the microcontroller card into

the socket, make sure that the power supply is

turned o. Images below show how to correctly

plug the MCU card. First make sure that MCU card
orientation matches the silkscreen outline on the

EasyMx PRO

™

v7 for Stellaris® board MCU socket.

Place the MCU card over the socket so each male
header is properly aligned with the female socket
as shown in Figure 4-4. Then put the MCU card
slowly down until all the pins match the socket.

Check again if everything is placed correctly and
press the MCU card until it is completely plugged
into the socket as shown in Figure 4-5. If done

correctly all pins should be fully inserted. Only now
you can turn on the power supply.

How to properly place your MCU card into the socket?

supported MCUs

Figure 4-3: On-board MCU
socket has silkscreen
markings which will help
you to correctly orient the
MCU card before inserting.

Figure 4-4:
Place the
MCU card on
the socket
so that pins
are aligned
correctly.

Figure 4-5 Properly
placed MCU card.

page 11

MCU card for Stellaris® LM4F
series with LM4F232H5QD

Empty MCU card for 100-pin

Stellaris® 8000 series MCUs

Empty MCU card for 100-pin

Stellaris® 9000 series MCUs

Empty MCU card for 144-pin

Stellaris® LM4F series MCUs

Empty MCU card for 100-pin

Stellaris® 1000 series MCUs

Empty MCU card for 48-pin

Stellaris® X00 series MCUs

Empty MCU card for 100-pin

Stellaris® 3000 series MCUs

Empty MCU card for 64-pin

Stellaris® 3000 series MCUs

EasyMx PRO

v7

mikroElektronika currently oers total of two populated MCU cards: one with default
LM3S9B95 Cortex

™

-M3 microcontroller and one with LM4F232H5QD Cortex™-M4

microcontroller. You can also purchase empty PCB cards that you can populate on

your own and solder any supported microcontroller you need in your development.

There are total of seven empty PCB cards available. This way your EasyMx PRO

™

v7

for Stellaris

®

board becomes truly exible and reliable tool for almost any of your
ARM® projects. MCU cards can also be used in your nal devices. For complete list of
currently available MCU cards, please visit the board webpage:

Other supported MCU cards

http://www.mikroe.com/eng/products/view/792/easymx-pro-v7-for-stellaris-arm/

supported MCUs

On-board

programmer

What is mikroProg™?

How do I start?

mikroProg™ is a fast programmer and debugger which is based on TI ICDI debugger. Smart engineering allows mikroProg™

to support over 270 ARM

®

Cortex™-M3 and Cortex™-M4 devices from Stellaris® in a single programmer. It also features a

powerful debugger which will be of great help in your development. Outstanding performance and easy operation are among it's

top features.

In order to start using mikroProg

™

, and program your
microcontroller, you just have to follow two simple
steps:

1. Install the necessary software

- Install programmer drivers

- Install mikroProg Suite

™

for ARM® software

2. Power up the board, and you are ready to go.

- Plug in the programmer USB cable

- LINK LED should light up.

VCC-3.3V

RST#

R55
10K

R57

100

C37
100nF

T70

RESET

VCC-3.3V

LINK

R7
2K2

LD2

PROG-LED

J2

J3

J4

J5

TCK-SWCLK

TMS-SWDIO

TDI

TDO-SWO

PC0

PC1

PC2

PC3

PC0-MCU

PC1-MCU

PC2-MCU

PC3-MCU

RST#VCC-3.3V

VCC-5V

1

2

3

4

VCC

GND

D-

D+

CN5

USB B

VCC-USB

FP1

C2
100nF

USB-PROG_N

USB-PROG_P

VCC-USB

DATA BUS

Figure 5-1: mikroProg™ block schematic

Enabling mikroProg

™

Four jumpers below the programmer
USB connector are used to specify
whether programming lines should
be connected to programmer or used
as general purpose I/Os. If placed
in JTAG/SWD position, jumpers

connect PC0-PC3 pins to TCK, TMS,

TDI and TDO programming lines

respectively and are cut o from the

rest of the board.

programming

page 12

EasyMx PRO

v7

page 13

EasyMx PRO

v7

programming

Stellaris® Cortex™-M3 microcontrollers supported with mikroProg

™

Stellaris® Cortex™-M4 microcontrollers supported with mikroProg

™

LM3S101

LM3S102

LM3S1110

LM3S1133

LM3S1138

LM3S1150

LM3S1162

LM3S1165

LM3S1332

LM3S1435

LM3S1439

LM3S1512

LM3S1538

LM3S1601

LM3S1607

LM3S1608

LM3S1620

LM3S1621

LM3S1625

LM3S1626

LM3S1627

LM3S1635

LM3S1637

LM3S1651

LM3S1751

LM3S1776

LM3S1811

LM3S1816

LM3S1850

LM3S1911

LM3S1918

LM3S1937

LM3S1958

LM3S1960

LM3S1968

LM3S1B21

LM3S1C21

LM3S1C26

LM3S1C58

LM3S1D21

LM3S1D26

LM3S1F11

LM3S1F16

LM3S1G21

LM3S1G58

LM3S1H11

LM3S1H16

LM3S1J11

LM3S1J16

LM3S1N11

LM3S1N16

LM3S1P51

LM3S1R21

LM3S1R26

LM3S1W16

LM3S1Z16

LM3S2110

LM3S2139

LM3S2276

LM3S2410

LM3S2412

LM3S2432

LM3S2533

LM3S2601

LM3S2608

LM3S2616

LM3S2620

LM3S2637

LM3S2651

LM3S2671

LM3S2678

LM3S2730

LM3S2739

LM3S2776

LM3S2793

LM3S2911

LM3S2918

LM3S2939

LM3S2948

LM3S2950

LM3S2965

LM3S2B93

LM3S2D93

LM3S2U93

LM3S300

LM3S301

LM3S308

LM3S310

LM3S315

LM3S316

LM3S317

LM3S328

LM3S3634

LM3S3651

LM3S3654

LM3S3739

LM3S3748

LM3S3749

LM3S3826

LM3S3J26

LM3S3N26

LM3S3W26

LM3S3Z26

LM3S5632

LM3S5651

LM3S5652

LM3S5656

LM3S5662

LM3S5732

LM3S5737

LM3S5739

LM3S5747

LM3S5749

LM3S5752

LM3S5762

LM3S5791

LM3S5951

LM3S5956

LM3S5B91

LM3S5C31

LM3S5C36

LM3S5C51

LM3S5C56

LM3S5D51

LM3S5D56

LM3S5D91

LM3S5G31

LM3S5G36

LM3S5G51

LM3S5G56

LM3S5K31

LM3S5K36

LM3S5P31

LM3S5P36

LM3S5P3B

LM3S5P51

LM3S5P56

LM3S5R31

LM3S5R36

LM3S5T36

LM3S5U91

LM3S5Y36

LM3S600

LM3S601

LM3S608

LM3S610

LM3S6100

LM3S611

LM3S6110

LM3S612

LM3S613

LM3S615

LM3S617

LM3S618

LM3S628

LM3S6420

LM3S6422

LM3S6432

LM3S6537

LM3S6610

LM3S6611

LM3S6618

LM3S6633

LM3S6637

LM3S6730

LM3S6753

LM3S6911

LM3S6918

LM3S6938

LM3S6950

LM3S6952

LM3S6965

LM3S6C11

LM3S6C65

LM3S6G11

LM3S6G65

LM3S800

LM3S801

LM3S808

LM3S811

LM3S812

LM3S815

LM3S817

LM3S818

LM3S828

LM3S8530

LM3S8538

LM3S8630

LM3S8730

LM3S8733

LM3S8738

LM3S8930

LM3S8933

LM3S8938

LM3S8962

LM3S8970

LM3S8971

LM3S8C62

LM3S8G62

LM3S9781

LM3S9790

LM3S9792

LM3S9971

LM3S9997

LM3S9B81

LM3S9B90

LM3S9B92

LM3S9B95

LM3S9B96

LM3S9L97

LM3S9BN2

LM3S9BN5

LM3S9BN6

LM3S9C97

LM3S9CN5

LM3S9D81

LM3S9D90

LM3S9D92

LM3S9D95

LM3S9D96

LM3S9DN5

LM3S9DN6

LM3S9G97

LM3S9GN5

LM3S9L71

LM3S9U81

LM3S9U90

LM3S9U92

LM3S9U95

LM3S9U96

LM4F110B2QR

LM4F110C4QR

LM4F110E5QR

LM4F110H5QR

LM4F111B2QR

LM4F111C4QR

LM4F111E5QR

LM4F111H5QR

LM4F112C4QC

LM4F112E5QC

LM4F112H5QC

LM4F112H5QD

LM4F120B2QR

LM4F120C4QR

LM4F120E5QR

LM4F120H5QR

LM4F121B2QR

LM4F121C4QR

LM4F121E5QR

LM4F121H5QR

LM4F122C4QC

LM4F122E5QC

LM4F122H5QC

LM4F122H5QD

LM4F130C4QR

LM4F130E5QR

LM4F130H5QR

LM4F131C4QR

LM4F131E5QR

LM4F131H5QR

LM4F132C4QC

LM4F132E5QC

LM4F132H5QC

LM4F132H5QD

LM4F230E5QR

LM4F230H5QR

LM4F231E5QR

LM4F231H5QR

LM4F232E5QC

LM4F232H5QC

LM4F232H5QD

Copyright ©2011 Mikroelektronika.
All rights reserved. Mikroelektronika, Mikroelektronika logo and other
Mikroelektronika trademarks are the property of Mikroelektronika.

All other trademarks are the property of their respective owners.
Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

programming

page 14

Step 1 - Start Installation

Step 3 - Installing drivers Step 4 - Finish installation

Step 2 - Accept EULA

On-board mikroProg™ requires drivers in order to work.

Drivers are located on the Product DVD that you received

with the EasyMx PRO

™

v7 for Stellaris®

package:

When you locate the drivers, please

extract les from the ZIP archive. Folder
with extracted les contains sub folders with drivers
for dierent operating systems. Depending on which

operating system you use, choose adequate folder and
open it.

Installing programmer drivers

In the opened folder you should be able to locate the

driver setup le. Double click on setup le to begin

installation of the programmer drivers.

Welcome screen of the installation. Just click on Next
button to proceed.

Drivers are installed automatically in a matter of
seconds.

You will be informed if the drivers are installed correctly.

Click on Finish button to end installation process.

Carefully read End User License Agreement. If you
agree with it, click Next to proceed.

A

v

a

i

l

a

b

l

e

o

n

P

r

o

d

u

c

t

D

V

D

!

EasyMx PRO

v7

DVD://download/eng/software/
development-tools/arm/stellaris/
mikroprog/mikroprog_stellaris_
drivers_v100.zip

A

v

a

i

l

a

b

l

e

o

n

P

r

o

d

u

c

t

D

V

D

!

programming

page 15

Step 1 - Start Installation

Step 3 - Install for All users or
current user

Step 5 - Installation in progress

Step 2 - Accept EULA and continue

Step 4 - Choose destination folder

Step 6 - Finish Installation

Programming software

mikroProg Suite™ for ARM

®

Quick Guide

Installation wizard - 6 simple steps

On-board mikroProg™ programmer requires special programming software called

mikroProg Suite

™

for ARM®. This software is used for programming all of supported

microcontroller families with ARM® Cortex

™

-M3 and Cortex™-M4 cores. Software has

intuitive interface and SingleClick

™

programming technology. To

begin, rst locate the installation archive on the Product DVD:

Click the Detect MCU button in order to

recognize the device ID.

Click the Read button to read the entire
microcontroller memory. You can click the

Save button to save it to target HEX le.

If you want to write the HEX le to the
microcontroller, rst make sure to load the
target HEX le. You can drag-n-drop the
le onto the software window, or use the

Load button to open Browse dialog and

point to the HEX le location. Then click

the Write button to begin programming.

Click the Erase button to wipe out the
microcontroller memory.

After downloading, extract the package and double click the
executable setup le, to start installation.

DVD://download/eng/software/development-tools/arm/stellaris/
mikroprog/mikroprog_suite_for_arm_v110.zip

EasyMx PRO

v7

1

2

3

4

Figure 5-2: mikroProg Suite™ for ARM® window

Copyright ©2011 Mikroelektronika.
All rights reserved. Mikroelektronika, Mikroelektronika logo and other
Mikroelektronika trademarks are the property of Mikroelektronika.

All other trademarks are the property of their respective owners.
Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

programming

page 16

Hardware Debugger

What is Debugging?

Every developer comes to a point where he has to monitor the

code execution in order to nd errors in the code, or simply

to see if everything is going as planed. This hunt for bugs,
or errors in the code is called debugging. There are two ways
to do this: one is the software simulation, which enables
you to simulate what is supposed to be happening on the
microcontroller as your code lines are executed, and the other,
most reliable one, is monitoring the code execution on the
MCU itself. And this latter one is called hardware debugging.
"hardware" means that it is the real deal - code executes right on
the target device.

What is hardware debugger?

The on-board mikroProg™ programmer supports hardware
debugger - a highly eective tool for a Real-Time debugging

on hardware level. The debugger enables you to execute your
program on the host Stellaris® microcontroller and view variable

values, Special Function Registers (SFR), RAM, CODE and EEPROM
memory along with the code execution on hardware. Whether you

are a beginner, or a professional, this powerful tool, with intuitive

interface and convenient set of commands will enable you to track
down bugs quickly. mikroProg debugger is one of the fastest, and
most reliable debugging tools on the market.

Supported Compilers

All MikroElektronika compilers, mikroC™, mikroBasic™ and

mikroPascal

™

for ARM® natively support mikroProg™ for

Stellaris®, as well as other compilers, including KEIL®, IAR® and

CCS®. Specialized DLL module allows compilers to exploit the

full potential of fast hardware debugging. Along with compilers,
make sure to install the appropriate programmer drivers
and mikroProg Suite

™

for ARM® programming software, as

described on pages 14 and 15.

When you build your project for debugging, and program the microcontroller with this HEX le, you can
start the debugger using [F9] command. Compiler will change layout to debugging view, and a blue line
will mark where code execution is currently paused. Use debugging toolbar in the Watch Window
to guide the program execution, and stop anytime. Add the desired variables to Watch Window and

monitor their values.

How do I use the debugger?

Figure 5-3: mikroC PRO for ARM® compiler in debugging view, with SFR registers in Watch Window

EasyMx PRO

v7

programming

page 17

Here is a short overview of debugging commands which are supported in mikroElektronika compilers. You can see what each command does,

and what are their shortcuts when you are in debugging mode. It will give you some general picture of what your debugger can do.

Toolbar

Icon

Command Name Shortcut Description

Start Debugger [F9] Starts Debugger.

Run/Pause Debugger [F6] Run/Pause Debugger.

Stop Debugger [Ctrl + F2] Stops Debugger.

Step Into [F7]

Executes the current program line, then halts. If the executed
program line calls another routine, the debugger steps into the

routine and halts after executing the rst instruction within it.

Step Over [F8]

Executes the current program line, then halts. If the executed program
line calls another routine, the debugger will not step into it. The whole

routine will be executed and the debugger halts at the rst instruction

following the call.

Step Out [Ctrl + F8]

Executes all remaining program lines within the subroutine. The
debugger halts immediately upon exiting the subroutine.

Run To Cursor [F4] Executes the program until reaching the cursor position.

Toggle Breakpoint [F5]

Toggle breakpoints option sets new breakpoints or removes those

already set at the current cursor position.

Show/Hide breakpoints [Shift+F4] Shows/Hides window with all breakpoints

Clears breakpoints [Shift+Ctrl+F5] Delete selected breakpoints

Jump to interrupt [F2]

Opens window with available interrupts (doesn't work in hardware
debug mode)

Debugger commands

EasyMx PRO

v7

page 18

One of the most distinctive features of EasyMx

PRO

™

v7 for Stellaris® are it’s Input/Output PORT

groups. They add so much to the connectivity potential

of the board.

Everything is grouped together

PORT headers, PORT buttons and PORT LEDs next to each other and grouped

together. It makes development easier, and the entire EasyMx PRO

™

v7 for Stellaris

®

cleaner and well organized. We have also provided an additional PORT headers on the right side of the board, so you can access any pin you want from that

side of the board too.

Tri-state pull-up/down DIP switches

Tri-state DIP switches, like SW5 on Figure 6-3, are
used to enable 4K7 pull-up or pull-down resistor on
any desired port pin. Each of these switches has three
states:

1. middle position disables both pull-up and pull-down
feature from the PORT pin

2. up position connects the resistor in pull-up state to
the selected pin

3. down position connects the resistor in pull-down
state to the selected PORT pin.

Figure 6-1: I/O group contains PORT header, tri-state pull
up/down DIP switch, buttons and LEDs all in one place

Input/Output Group

connectivity

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

LD47LD46LD45LD44LD43LD42LD41LD40

RN38
10K

RN37
10K

RN36
10K

RN35
10K

RN34
10K

RN33
10K

RN32
10K

RN31
10K

T38T37T36T35T34T33T32T31

VCC-3.3V VCC-3.3V

VCC-3.3V

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

PE0 PE1
PE2 PE3
PE4 PE5
PE6 PE7

PE0 PE1
PE2 PE3
PE4 PE5
PE6 PE7

UP

DOWN

PULL

1 2 3 4 5 6 7 8

+

_

SW5

CN24 CN33

4K7

O

N

SW15

PORTE LED

1 2 3 4 5

6

7 8

DATA BUS

VCC

GND

BUTTON PRESS LEVEL

R26

220

R27

220

VCC-3.3V

PORTE L EVEL

J7

J6

1 2 3 4 5 6 7 8
+

_

SW16

Figure 6-3: Schematic of the single I/O group connected to microcontroller PORTE

Button press level tri-state DIP
switch is used to determine
which logic level will be
applied to port pins when
buttons are pressed

Figure 6-2:
Tri-state DIP
switch on PORTE

EasyMx PRO

v7

Figure 6-4: IDC10 male headers enable easy
connection with mikroElektronika accessory boards

connectivity

page 19

Headers Buttons LEDs

LED (Light-Emitting
Diode) is a highly

ecient electronic
light source. When

connecting LEDs,
it is necessary to
place a current
limiting resistor in
series so that LEDs
are provided with
the current value

specied by the manufacturer. The current varies from

0.2mA to 20mA, depending on the type of the LED and
the manufacturer. The EasyMx PRO

™

v7 for Stellaris®
board uses low-current LEDs with typical current
consumption of 0.2mA or

0.3mA. Board contains 72
LEDs which can be used
for visual indication of the
logic state on PORT pins. An
active LED indicates that a

logic high (1) is present on

the pin. In order to enable
PORT LEDs, it is necessary
to enable the corresponding
DIP switch on SW15 (Figure

6-6).

Figure 6-6: SW15.1
through SW15.8
switches are used to
enable PORT LEDs

53

55

57

59

61

63

65

67

69

71

73

75

77

54

56

58

60

62

64

66

68

70

72

74

76

78

PC5

SMD LED

SMD resistor

limiting current

through the LED

The logic state of all
microcontroller digital
inputs may be changed
using push buttons. Tri­state DIP switch SW16
is available for selecting
which logic state will

be applied to corresponding MCU pin when button is

pressed, for each I/O port separately. If you, for example,
place SW16.5 in VCC position, then pressing of any push
button in PORTE I/O group will apply logic one to the
appropriate microcontroller pin. The same goes for GND.
If DIP switch is in the middle position neither of two logic
states will be applied to the appropriate microcontroller
pin. You can disable pin protection 220ohm resistors by
placing jumpers J6 and J7, which will connect your push

buttons directly to VCC or GND. Be aware that doing
so you may accidentally damage MCU in case of wrong

usage.

Reset Button

In the far upper right section of the
board, there is a RESET button, which
can be used to manually reset the
microcontroller.

Figure 6-5: Button press
level DIP switch (tri-state)

With enhanced connectivity as one of the key features

of EasyMx PRO

™

v7 for Stellaris®, we have provided two

connection headers for each PORT. I/O PORT group

contains one male IDC10 header (like CN24 Figure
6-3). There is one more IDC10 header available on

the right side of the board, next to DIP switches (like
CN33 on Figure 6-3). These headers can be used to
connect accessory boards with IDC10 female sockets.

EasyMx PRO

v7

http://www.mikroe.com/mikrobus

mikroBUS™ sockets

mikroBUS™ pinout explained

Easier connectivity and simple conguration

are imperative in modern electronic devices.
Success of the USB standard comes from it’s
simplicity of usage and high and reliable data

transfer rates. As we in mikroElektronika see it,

Plug-and-Play devices with minimum settings
are the future in embedded world too. This is
why our engineers have come up with a simple,
but brilliant pinout with lines that most of
today’s accessory boards require, which almost
completely eliminates the need of additional

hardware settings. We called this new standard

the mikroBUS

™

. EasyMx PRO™ v7 for Stellaris®

supports mikroBUS

™

with two on-board sockets.

As you can see, there are no additional DIP
switches, or jumper selections. Everything is

already routed to the most appropriate pins of

the microcontroller sockets.

mikroBUS™ host connector

Each mikroBUS™ host connector consists of two

1x8 female headers containing pins that are

most likely to be used in the target accessory

board. There are three groups of communication
pins: SPI, UART and I

2

C communication. There
are also single pins for PWM, Interrupt,
Analog input, Reset and Chip Select. Pinout

contains two power groups: +5V and GND on
one header and +3.3V and GND on the other
1x8 header.

mikroBUS

™

is not made to be only a part of our development boards. You can

freely place mikroBUS

™

host connectors in your nal PCB designs, as long as you

clearly mark them with mikroBUS

™

logo and footprint specications. For more

information, logo artwork and PCB les visit our web site:

AN - Analog pin
RST - Reset pin
CS - SPI Chip Select line
SCK - SPI Clock line
MISO - SPI Slave Output line
MOSI - SPI Slave Input line
+3.3V - VCC-3.3V power line
GND - Reference Ground

PWM - PWM output line

INT - Hardware Interrupt line
RX - UART Receive line
TX - UART Transmit line
SCL - I2C Clock line
SDA - I2C Data line
+5V - VCC-5V power line
GND - Reference Ground

DATA BUS

PA5

PA4

PA2

PE2
PG0

PD5

PA0
PA1
PB2
PB3

PH0

PC4

AN
RST
CS
SCK
MISO
MOSI

3.3V
GND

PWM

INT

RX

TX
SCL
SDA

5V

GND

1

VCC-3.3V VCC-5V

PA5

PA4

PA2

PE3

PD6

PG1 PD2

PD3
PB2
PB3

PC6
PH1

VCC-3.3V VCC-5V

AN
RST
CS
SCK
MISO
MOSI

3.3V
GND

PWM

INT

RX

TX
SCL
SDA

5V

GND

2

Figure 7-1:
mikroBUS

™

connection

schematic

connectivity

EasyMx PRO

v7

Integrate mikroBUS™ in your design

page 20

page 21

connectivity

EasyMx PRO

v7

Click Boards™ are plug-n-play!

Opto click

™

LightHz click

™

THERMO click

™

DAC click

™

DIGIPOT click

™

SHT1x click

™

WiFi PLUS click

™

GPS click

™

BEE click

™

BlueTooth click

™

mikroElektronika portfolio of over 200 accessory boards is now enriched by
an additional set of mikroBUS

™

compatible Click Boards™. Almost each month

several new Click boards

™

are released. It is our intention to provide the
community with as much of these boards as possible, so you will be able to
expand your EasyMx PRO

™

v7 for Stellaris® with additional functionality with

literally zero hardware conguration. Just plug and play. Visit the Click boards

™

web page for the complete list of available boards:

http://www.mikroe.com/eng/categories/view/102/click-boards/

USB-UART A

Enabling USB-UART A

communication

page 22

The UART (universal asynchronous receiver/trans-

mitter) is one of the most common ways of exchanging
data between the MCU and peripheral components. It is a serial

protocol with separate transmit and receive lines, and can be used for
full-duplex communication. Both sides must be initialized with the
same baud rate, otherwise the data will not be received correctly.

Modern PC computers, laptops and notebooks are no longer

equipped with RS-232 connectors and UART controllers. They
are nowadays replaced with USB connectors and USB
controllers. Still, certain technology enables UART
communication to be done via USB connection.
Controllers such as FT232RL from FTDI convert
UART signals to the appropriate USB standard.

USB-UART A communication is being done
through a FT232RL controller, USB connector
(CN7), and microcontroller UART module. To
establish this connection, you must connect RX and
TX lines of the FT232RL to the appropriate pins of
the microcontroller. This selection is done using DIP
switches SW10.1 and SW10.2.

In order to use USB-UART A module on EasyMx PRO

™

v7 for

Stellaris

®

, you must rst install FTDI drivers on your computer.

Drivers can be found on Product DVD:

A

v

a

i

l

a

b

l

e

o

n

P

r

o

d

u

c

t

D

V

D

!

DVD://download/eng/software/development-tools/
universal/ftdi/vcp_drivers.zip

EasyMx PRO

v7

USB UART A

CONNECTOR

1
2
3
4
5
6
7
8

9
10
11
12
13
14 15

16

17

18

19

20

21

22

23

24

25

26

27

28

TXD
DTR#
RTS#
VCCIO
RXD
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3

CBUS0
CBUS1

OSCO

OSCI
TEST

AGND

NC

GND

GND

VCC

RESET#

3V3OUT

USBDM

USBDP

FT232RL

U2

FT232RL

VCC-3.3V VCC-5V

C11
100nF

LD7 LD8

RX-LED1
TX-LED1

R12
4K7

R11
2K2

VCC-3.3V VCC-3.3V

R18
4K7

R19
10K

1

2

3

4

VCC

GND

D-

D+

CN7

USB B

C3
100nFC4100nFE110uF

VCC-5VVCC-5VVCC-3.3V

FTDI1-D_N
FTDI1-D_P

RX TX

1 2 3 4 5

6

7 8

O

N

SW10

TX-FTDI1
RX-FTDI1

PA1
PA0

DATA BUS

Copyright ©2011 Mikroelektronika.
All rights reserved. Mikroelektronika, Mikroelektronika logo and other
Mikroelektronika trademarks are the property of Mikroelektronika.

All other trademarks are the property of their respective owners.
Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

In order to enable USB-UART A
communication you must push

SW10.1 (PA1) and SW10.2 (PA0)
to ON position. This connects the
RX and TX lines to PA0 and PA1

microcontroller pins.

Figure 8-1:
USB-UART A
connection
schematic

USB-UART B

Enabling USB-UART B

communication

page 23

If you need to use more than one USB-UART in your
application, you have another USB-UART B connector available
on the board too. Both available USB-UART modules can operate at the
same time, because they are routed to separate microcontroller pins.

USB-UART B communication is being done through a FT232RL
controller, USB connector (CN9), and microcontroller UART
module. To establish this connection, you must connect RX
and TX lines of the FT232RL to the appropriate pins of
the microcontroller. This selection is done using DIP
switches SW10.3 and SW10.4.

When using either USB-UART A or USB­UART B, make sure to disconnect all

devices and additional boards that
could interfere with the signals
and possibly corrupt the data
being sent or received.

In order to use USB-UART B module on EasyMx PRO

™

v7 for

Stellaris

®

, you must rst install FTDI drivers on your computer.

Drivers can be found on Product DVD:

A

v

a

i

l

a

b

l

e

o

n

P

r

o

d

u

c

t

D

V

D

!

DVD://download/eng/software/development-tools/
universal/ftdi/vcp_drivers.zip

EasyMx PRO

v7

USB UART B

CONNECTOR

1
2
3
4
5
6
7
8

9
10
11
12
13
14 15

16

17

18

19

20

21

22

23

24

25

26

27

28

TXD
DTR#
RTS#
VCCIO
RXD
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3

CBUS0
CBUS1

OSCO

OSCI
TEST

AGND

NC

GND

GND

VCC

RESET#

3V3OUT

USBDM

USBDP

FT232RL

U3

FT232RL

VCC-3.3V VCC-5V

C27
100nF

LD3 LD4

RX-LED2
TX-LED2

R29
4K7

R28
2K2

VCC-3.3V VCC-3.3V

R31
4K7

R34
10K

1

2

3

4

VCC

GND

D-

D+

CN9

USB B

C12
100nF

C13
100nFE410uF

VCC-5VVCC-5VVCC-3.3V

FTDI2-D_P

FTDI2-D_N

RX TX

1 2 3 4 5

6

7 8

O

N

SW10

TX-FTDI2
RX-FTDI2

PD2

PD3

DATA BUS

Copyright ©2011 Mikroelektronika.
All rights reserved. Mikroelektronika, Mikroelektronika logo and other
Mikroelektronika trademarks are the property of Mikroelektronika.

All other trademarks are the property of their respective owners.
Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

In order to enable USB-UART B
communication, you must push

SW10.3 (PD3) and SW10.4 (PD2)
to ON position. This connects the
RX and TX lines to PD2 and PD3

microcontroller pins.

Figure 9-1:
USB-UART B
connection
schematic

page 24

USB HOST
communication

USB is the acronym for Universal Serial
Bus. This is a very popular standard that

denes cables, connectors and protocols

used for communication and power
supply between computers and other
devices. EasyMx PRO

™

v7 for Stellaris®

contains USB HOST connector (CN11)
for USB Standard Type A plug, which
enables microcontrollers that support USB
communication to establish a connection
with the target device (eg. USB Keyboard,

USB Mouse, etc). USB host also provides

the necessary 5V power supply to the
target. Maximum power which can be
drawn depends on the power consumption
of the EasyMx PRO

™

for Stellaris® board

itself. Microcontroller USB data lines are

directly connected to MCU card socket

pins.

Powering USB device

You can enable or disable power
supply to USB device connected
to HOST, through microcontroller
PH3 pin. In order to connect power
transistor to microcontroller, you
must push SW10.7 to ON position.

EasyMx PRO

v7

1
3
5
7

9
11
13
15
17
19
21
23
25

2
4
6
8
10
12
14
16
18
20
22
24
26

272931

333537

3941434547

49

51

28303234363840424446485052

MCU CARD SOCKET

USB-D_P

PH3

USB-D_N

USB HOST

CONNECTOR

M1
ZXMP7A17K

VCC-5V

C28

100nF

R38

1K

R37
1K

VCC-5V

Q1
BC846

1

2

3

4

VCC

GND

D-

D+

CN11

USB A

E10

10uF

E11
10uF

USB-D_N

USB-D_P

R42

1K

R41
4K7

VCC-3.3V

USB-PSW

1 2 3 4 5

6

7 8

O

N

SW10

PH3

DATA BUS

communication

Figure 10-2:
Powering
USB device
through
PSW line

Figure 10-1: USB
host connection
schematic

page 25

USB device
communication

EasyMx PRO™ v7 for Stellaris® also
contains USB DEVICE connector (CN10)
which enables microcontrollers that
support USB communication to establish

a connection with the target host (eg. PC,
Laptop, etc). It lets you build a slave USB
device (HID, Composite, Generic, etc.).
Connector supports USB Standard Type
B plug. Detection whether USB DEVICE

is connected to HOST can be done
through VBUS line. This line is traced
to microcontroller PB1 pin. Connection
of USB DEVICE VCC line and PB1 pin is
established when SW10.8 DIP switch is

in ON position. When connected to HOST,

dedicated amber-colored power LED will

light up as well. This VCC line cannot be

used for powering the board. It's only
used for detecting connection.

Detecting connection

You can detect whether USB device
is plugged into the connector using
VBUS power detection line (PB1).
Before using this feature, you must
connect PB1 pin to USB connector
using SW10.8 switch.

EasyMx PRO

v7

1
3
5
7

9
11
13
15
17
19
21
23
25

2
4
6
8
10
12
14
16
18
20
22
24
26

MCU CARD SOCKET

USB-D_P

PB1

USB-D_N

1 2 3 4 5

6

7 8

O

N

SW10

PB1

DATA BUS

USB DEVICE

CONNECTOR

1

2

3

4

VCC

GND

D-

D+

CN10

USB B

R40 27

R43 27

LD9

R46
4K7

GND

GND

USB-D_N

USB-D_P

USB-VBUS

R1 100

ON

communication

Figure 11-2:
enabling
USB DEVICE
detection
via VBUS
line

Figure 11-1: USB device connection
schematic

page 26

Ethernet is a popular computer networ king
technology for local area networks (LAN).

Systems communicating over Ethernet
divide a stream of data into individual

packets called frames. Each frame contains

source and destination addresses and

error-checking data so that damaged

data can be detected and re-transmitted.
EasyMx PRO

™

v7 for Stellaris® features

standard RJ-45 connector which enables
microcontrollers that support Ethernet
communication to establish a connection
with a computer, router or other devices.
All four Ethernet lines (TPOUT+, TPOUT-,

TPIN+ and TPIN-) are routed directly to the
MCU card socket and cannot be accessed

via PORT headers. Additional signalization

LEDs (green and yellow) are provided on

the board next to RJ-45 connector.

Enabling Eth. LEDs

Ethernet
communication

In order to enable Ethernet LEDs,
you must place J12 and J11
jumpers. This connects the LEDA
and LEDB lines to PF3 and PF2
microcontroller pins.

EasyMx PRO

v7

DATA BUS

ETHERNET

CONNECTOR

TD+

CT

TD-

RD+

RD-

CT

A2A1

K1 K2

CN12

RJ45

R44
51

R45
51

R48
51

R49
51

R39

2K2

R51

2K2

FP2

C32
10nF

C31

10nF

VCC-3.3V

ETH-LEDA

ETH-LEDB

TPO_P

TPO_N

TPI_P

TPI_N

PF2

PF3

J11

J12

1
3
5
7

9
11
13
15
17
19
21
23
25

2
4
6
8
10
12
14
16
18
20
22
24
26

7981838587899193959799

101

103

80

8284868890

929496

98

100

102

104

MCU CARD SOCKET

PF3 PF2

TPI_P

TPO_N

TPI_N

TPO_P

LD5

LD6

LED

LED

VCC-3.3V

VCC-3.3V

communication

Figure 12-1: Ethernet connection schematic

Figure 12-2: Enabling ethernet
LEDs (photo on the right)

page 27

Controller Area Network (CAN or CAN
bus) is a vehicle bus standard designed

to allow microcontrollers and devices to
communicate with each other within a

vehicle without a host computer. CAN

is a message-based protocol, designed

specically for automotive applications

but now also used in other areas such
as industrial automation and medical
equipment. EasyMx PRO

™

v7 for Stellaris®

is equipped with SN65HVD230 – a 3.3V

CAN Transceiver and a pair of screw

terminals which provide microcontrollers

with integrated CAN controller with

the necessary physical interface for

CAN communication. Make sure to

correctly connect negative and positive

dierential communication lines before

using this module.

1 2 3 4 5

6

7 8

O

N

SW10

TX-CAN
RX-CAN

PD1
PD0

DATA BUS

C34
100nF

VCC-3.3V

VCC-3.3V

R47 10

CANH

CANL

1
2
3

54

6

7

8

D
GND
Vdd
R Vref

CANL

CANH

Rs

U6

SN65HVD230

CN13

CAN COMM.

TX-CAN

RX-CAN

Enabling CAN

Figure 13-1: CAN connection schematic

CAN

communication

EasyMx PRO

v7

communication

In order to enable CAN communi-

cation, you must push SW10.5

(PD1) and SW10.6 (PD0) to
ON position. This connects the
TX and RX lines to appropriate

microcontroller pins.

Figure 13-2:
enabling
CAN
communica­tion

It's hard to imagine modern multimedia devices without high quality audio reproduction
modules. Sounds and music are almost as important as graphical user interfaces.
Along with other multimedia modules, EasyMx PRO

™

v7 for Stellaris® contains high-

end stereo VS1053 audio codec. It features Ogg Vorbis/MP3/AAC/WMA/FLAC/WAV/
MIDI audio decoder, as well as an PCM/IMA ADPCM/Ogg Vorbis encoder on a single
chip. Board also contains two stereo audio connectors for interfacing with standard

3.5mm stereo audio jacks. VS1053 receives the input bit stream through a serial input

bus, which it listens to as a system slave. The input stream is decoded and passed
through a digital volume control to an 18-bit oversampling, multi-bit, sigma-delta

Digital to Analog Converter (DAC). The

decoding is controlled via a serial control
bus. In addition to the basic decoding,

it is possible to add application specic
features like DSP eects to the user RAM

memory. You can build music players,
audio recording devices, internet radio
player applications, and much more.

multimedia

page 28

Audio I/O

C25

100nF

C24

100nF

C23

100nF

C17

100nF

C19

100nF

C16

100nF

C20

100nF

C21

100nF

C22

100nF

VCC-1.8V

C18

2.2uF

VCC-3.3V

E7

10uF

1

2

3

IN

GND

OUT

5

4

EN ADJ

U4

AP7331-ADJ

R30

120K

R32

22K

R33

12K1

E19

10uF

2
3
4
5
6
7

11
12

13

14

25

242322

21

18

171615

8

1

19

9

10 27

26

20

28

29

30

31

32

33

34

35

36

3738394041424344454647

48

MCP/LN1
MICN
XRESET
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
GPIO2
GPIO3
GPIO6
GPIO7

XDCS/BS YNC

IOVDD1

VC0

DGND1

XTAL0

XTAL1

IOVDD2

DGND2

DGND3

DGND4

XCS

CVDD2

GPIO5

RX

TX

SCLK

SI

SO

CVDD3

XTEST

GPIO0

GPIO1

GND

GPIO4

AGND0

AVDD0

AVDD2

AGND1

AGND2

AGND3

LN2

LEFT

RCAP

AVDD1

GBUF

RIGHT

VS1053

U1

VCC-1.8VVCC-3.3V

L

R

GBUF

C1 1uF

R23
100K

GPIO

GPIO

R5
10K

VCC-3.3V

R13 27

R16 27

SPI-MISO
SPI-MOSI

SPI-SCK

MP3-DCS

MP3-DREQ

MP3-RST#

MICN

MICP

MP3-CS#

X1

12.288MHz

R24 1M

C15
22pF

C14
22pF

R10
100K

R20
10K

VCC-3.3V

CN6

PHONEJACK

L

R

C5
10nF

C6
47nFC710nF

GBUF

R610R820R9

20

R3 10

R4 10

CN8

MICROPHONE

E3

10uF

E2

10uF

C9

100pF

C8 1uF

C10 1uF

VCC-3.3V

MICN

MICP

R15
1K

R17
1K

R21
1K

R22
1K

Audio IN/OUT

DATA BUS

O

N

SW13

SPI-MOSI
SPI-MISO

SPI-SCK

PA2

PA4

PA5

1 2 3 4 5

6

7 8

O

N

SW14

MP3-RST#

MP3-CS#
MP3-DCSPF0

PF1

PF4
PF5

1 2 3 4 5

6

7 8

Enabling Audio I/O

In order to use Audio I/O module,
you must connect data and Audio
control lines of the microcontroller
with the VS1053 audio codec. To
do this, push SW13.1–SW13.3
and SW14.1–SW14.4 switches to
ON position. This will connect SPI
data lines with PA5, PA4 and PA2
microcontroller pins, and audio
control lines and chip select with
PF4, PF5, PF1 and PF0 pins.

EasyMx PRO

v7

Figure 14-1: Audio IN/OUT
connection schematic

multimedia

page 29

Secure Digital (SD) is a non-volatile

memory card format developed for use

in portable devices. It comes in dierent
packages and memory capacities. It is

mostly used for storing large amounts of
data. EasyMx PRO

™

v7 for Stellaris® features

the microSD card slot. The microSD form
factor is the smallest card format currently
available. It uses standard SPI user inter­face with minimum additional electronics,
mainly used for stabilizing communication

lines which can be signicantly distorted

at high transfer rates. Ferrite and tantalum
capacitor are also provided to compensate
the voltage and current glitch that can
occur when pushing-in and pushing-out

microSD card into the socket.

Enabling microSD

In order to access microSD card, you
must enable SPI communication
lines using SW13.1 – SW13.3 DIP

switches as well as Chip Select (CS)
and Card Detect (CD) lines using

SW13.8 and SW13.7 switches.

FP3

FERRITE

E12
10uF

VCC-3.3V VCC-MMC

C33
100nF

DATA BUS

1
2

+3.3V

4
5
6
7

G

CS
Din

+3.3V

SCK
GND
Dout

CD

GND

CN14

MICROSD

VCC-MMC

R54
10K

R53
10K

SD-CS#

SPI-MISO

SPI-MOSI

SPI-SCK

SD-CD#

R58 27

microSD

CARD SLOT

O

N

SW13

SPI-MOSI
SPI-MISO

SPI-SCK

SD-CS#

SD-CD#

PA7

PH7

PA2

PA4

PA5

1 2 3 4 5

6

7 8

microSD card slot

EasyMx PRO

v7

Figure 15-2:
enabling
microSD
card commu­nication
lines

Figure 15-1:
microSD card slot
connection schematic

One of the most powerful ways of presenting data

and interacting with users is through color displays

and touch panel inputs. This is a crucial element of any

multimedia device. EasyMx PRO

™

v7 for Stellaris® features

TFT color 320x240 pixel display. It is a 2.83" display with

LED back-light, featuring HX8347D controller.

Each pixel is capable of showing 262.144 dierent

colors. It is connected to microcontroller using standard
8080 parallel 8-bit interface, with additional control

lines. Board features back-light driver which besides
standard mode can also be driven with PWM signal in

order to regulate brightness in range from 0 to 100%.

page 30

TFT display
320x240 pixels

TFT display is enabled using SW11.1–SW11.8
and SW12.2–SW12.6 DIP switches. Back-light

can be enabled in two dierent ways:

1. It can be turned on with full brightness
using SW12.7 switch.

2. Brightness level can be determined with
PWM signal from the microcontroller, allowing

you to write custom back-light controlling
software. This back-light mode is enabled

when both SW12.7 and SW12.8 switches
are in ON position.

2

15

123511

36

3

4

5

6

14

7

8

9

13

43

33

10

37

3839404445

46

34

1

47

16

171819

202122

23242526272829

303132

41

42

LED-K

LED-A1

LED-A2

LED-A3

LED-A4

IM0

IM1

IM2

IM3

RESET

V

SYNC

HSYNC

DOTCLK

ENABLE

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB15

DB16

DB17

SDO

SDI

RD

WR/SCL

RS

CS

FMARK

VCC-IO

VCC

VCC-I

G

N

D

XR

YD

XL

YU

TFT1

TFT-RST

TFT-RS

T

F

T-CS#

TFT-PMRD

TFT-PMW R

TFT-BCK

VCC-3.3V

1 2 3 4 5

6

7 8

O

N

SW12

TFT-PMRD

TFT-PMWR

TFT-CS#
TFT-RST

TFT-RS

TFT-BCK

TFT-BPWM

VCC-5V

PC5

PA3

PG7

PH4

PH5

PH6

1 2 3 4 5

6

7 8

O

N

SW11

TFT-D0
TFT-D1
TFT-D2
TFT-D3
TFT-D4
TFT-D5
TFT-D6
TFT-D7

PJ0
PJ1
PJ2
PJ3
PJ4
PJ5
PJ6
PJ7

1 2 3 4 5

6

7 8

Q5
BC846

Q6
BC846

Q7
BC846

R69
12

D3

BAT43

TFT-BPWM

R60

4K7

VCC-5V

TFT-K

DATA BUS

Enabling TFT display

multimedia

EasyMx PRO

v7

Figure 16-1:
TFT display
connection
schematic

Touch panel is a glass panel whose surface is covered

with two layers of resistive material. When the screen is

pressed, the outer layer is pushed onto the inner layer
and appropriate controllers can measure that pressure
and pinpoint its location. This is how touch panels can be
used as an input devices. EasyMx PRO

™

v7 for Stellaris® is

equipped with touch panel controller and connector for
4-wire resistive touch panels. It can very accurately

register pressure at a specic point, representing the

touch coordinates in the form of analog voltages, which
can then be easily converted to X and Y values. Touch
panel comes as a part of TFT 320x240 display.

page 31

Touch Panel
controller

Figure 17-2:
Turn on
switches 5
through 8 on
SW14 to enable
Touch panel
controller

Touch panel is enabled using SW14.5,
SW14.6, SW14.7 and SW14.8 switches.

They connect READ-X and READ-Y lines of
the touch panel with PB4 and PB5 analog
inputs, and DRIVEA and DRIVEB with PE0
and PE1 digital outputs on microcontroller

sockets. Make sure to disconnect other

peripherals, LEDs and additional pull-up or pull­down resistors from the interface lines so they
do not interfere with signal/data integrity.

DATA BUS

2

15

123511

36

3

4

5

6

14

7

8

9

13

43

33

10

37

3839404445

46

34

1

47

16

171819

202122

23242526272829

303132

41

42

LED-K

LED-A1

LED-A2

LED-A3

LED-A4

IM0

IM1

IM2

IM3

RESET

V

SYNC

HSYNC

DOTCLK

ENABLE

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB15

DB16

DB17

SDO

SDI

RD

WR/SCL

RS

CS

FMARK

VCC-IO

VCC

VCC-I

G

N

D

XR

YD

XL

YU

TFT1

VCC-3.3V

RIGHT

TOP

READ-X

READ-Y

Q3
BC856

Q4
BC846

R64

10K

R63
1K

VREF

R65

10K

R67
4K7

VCC-3.3V
Q8
BC856

VREF

R68

10K

Q9
BC846

R80

10K

C29

10nF

R79

100K

Q11
BC846

R86

10K

C30

10nF

R85

100K

R84
4K7

VCC-3.3V

RIGHT

TOP

READ-X

READ-Y

DRIVEA

DRIVEB

E13
10uF

VCC-3.3V

FP4

FERRITE

E15
10uF

VCC-1.8V VREF

O

N

SW14

DRIVEA
DRIVEB

READ-X
READ-Y

PB4
PB5
PE0
PE1

1 2 3 4 5

6

7 8

Enabling Touch panel

multimedia

EasyMx PRO

v7

Figure 17-1: Touch Panel controller
and connection schematic

When working with multi-

media applications it is far
more intuitive to use a single

joystick than several dierent

push buttons that are more

far apart. This is more natural

for users and they can browse

through on-screen menus, or even

play games much easier. EasyMx

PRO

™

v7 for Stellaris® features

navigation switch with ve dierent

positions: Up, Down, Left, Right and

Center. Each of those acts as a button,

and is connected to one of the following

microcontrollers pins: PB0, PE5, PB7, PE4, PH2

(respectively). Before using the navigation switch,

it is necessary to pull-up mentioned microcontroller pins

using tri-state DIP switches located in I/O groups. After pressing

the navigation switch in desired direction, associated microcontroller pins are

connected to GND, which can be detected in user software.

page 32

Navigation switch

Figure 18-2: Navigation switch is an intuitive solution for browsing
through on-screen menus.

multimedia

EasyMx PRO

v7

DATA BUS

4

5

6

1

2

3

KEY1

PE4

PE5

UP

LEFT

CENTER

RIGHT

DOWN

PB0

PH2

PB7

VCC-3.3V

PE4

PE5

UP

DOWN

PULL

1 2 3 4 5 6 7 8

+

_

SW5

VCC-3.3V

PB0

PB7

UP

DOWN

PULL

1 2 3 4 5 6 7 8

+

_

SW2

VCC-3.3V

PH2

UP

DOWN

PULL

1 2 3 4 5 6 7 8

+

_

SW8

Figure 18-1: Navigation switch connection schematic. Pull-up resistors should be enabled during operation

Piezoelectricity is the charge which accumulates in
certain solid materials in response to mechanical pressure,
but also providing the charge to the piezo electric material
causes it to physically deform. One of the most widely used
applications of piezoelectricity is the production of sound
generators, called piezo buzzers. Piezo buzzer is an electric

component that comes in dierent shapes and sizes, which

can be used to create sound waves when provided with
analog electrical signal. EasyMx PRO

™

v7 for Stellaris®

comes with piezo buzzer which can be connected to PA 6
microcontroller pin. Connection is established using SW12.1
DIP switch. Buzzer is driven by transistor Q2 ( Figure 19-1).

Microcontrollers can create sound by generating a PWM
(Pulse Width Modulated) signal – a square wave signal,

which is nothing more than a sequence of logic zeros and

ones. Frequency of the square signal determines
the pitch of the generated sound, and duty cycle of
the signal can be used to increase or decrease the
volume in the range from 0% to 100% of the duty

cycle. You can generate PWM signal using hardware

capture-compare module, which is usually available in
most microcontrollers, or by writing a custom software
which emulates the desired signal waveform.

Supported sound frequencies

Piezo buzzer’s resonant frequency (where you can expect
it's best performance) is 3.8kHz, but you can also use it to
create sound in the range between 2kHz and 4kHz.

page 33

Figure 19-2:
push
SW12.1 to
ON position
to connect
Piezo buzzer
to PA6

DATA BUS

PERSPECTIVE

VIEW

TOP

VIEW

R52

10K

Q2
BC846

R50
1K

VCC-5V

BUZZER

PZ1

BUZZER

1 2 3 4 5

6

7 8

O

N

SW12

PA6

1 2 3 4 5

6

7 8

In order to use the on-board Piezo Buzzer in

your application, you rst have to connect the

transistor driver of piezo buzzer to the appropriate
microcontroller pin. This is done using SW12.1 DIP
switch which connects it to PA6 pin.

Buzzer starts "singing" when you provide

PWM signal from the microcontroller

to the buzzer driver. The pitch of the
sound is determined by the frequency,
and amplitude is determined by the

duty cycle of the PWM signal.

Enabling Piezo Buzzer

How to make it sing?

Figure 19-1: Piezo
buzzer connected to PA6
microcontroller pin

Freq = 3kHz, Duty Cycle = 50%

Freq = 3kHz,
Volume = 50%

Freq = 3kHz,
Volume = 80%

Freq = 3kHz,
Volume = 20%

Freq = 3kHz, Duty Cycle = 80%

Freq = 3kHz, Duty Cycle = 20%

VIEW

TOP

VIEW

VIEW

TOP

VIEW

VIEW

TOP

VIEW

Piezo Buzzer

multimedia

EasyMx PRO

v7

DS1820 is a digital temperature

sensor that uses 1-wire®

interface for it’s operation. It is

capable of measuring temperatures

within the range of -55 to 128°C,

and provides ±0.5°C accuracy for

temperatures within the range of -10 to

85°C. It requires 3V to 5.5V power supply
for stable operation. It takes maximum

of 750ms for the DS1820 to calculate
temperature with 9-bit resolution.
1-wire® serial communication enables
data to be transferred over a single
communication line, while the process
itself is under the control of the master
microcontroller. The advantage of
such communication is that only one
microcontroller pin is used. Multiple

sensors can be connected on the same
line. All slave devices by default have
a unique ID code, which enables the
master device to easily identify all
devices sharing the same interface.

Board provides a separate socket (TS1)
for the DS1820. Communication line

with the microcontroller is selected
using J8 jumper.

DS1820 - Digital
Temperature Sensor

page 34

DATA BUS

VCC-3.3V

R25
2K2

J8

PB7

PD4

VCC

DQ

GND

EasyMx PRO™ v7 for Stellaris® enables you to establish 1-wire® communication
between DS1820 and the microcontroller over PB7 or PD4 pins. The selection
of either of those two lines is done using J8 jumper. When placing the sensor in

the socket make sure that half-circle on the board silkscreen markings matches

the rounded part of the DS1820 sensor. If you accidentally connect the sensor

the other way, it may be permanently damaged. Make sure to disconnect other

peripherals, LEDs and additional pull-up or pull-down resistors from the interface
lines in order not to interfere with signal/data integrity.

Figure 20-1:
DS1820 not
connected

Figure 20-2:
DS1820
placed in
socket

Figure 20-3:
DS1820
connected
to PD4 pin

Figure 20-4:
DS1820
connected
to PB7 pin

Figure 20-5: DS1820 connected to PB7 pin

Enabling DS1820 Sensor

1 2 3 4

other modules

EasyMx PRO

v7

The LM35 is a low-cost precision
integrated-circuit temperature sensor,
whose output voltage is linearly

proportional to the Celsius (Centigrade)

temperature. The LM35 thus has an
advantage over linear temperature
sensors calibrated in ° Kelvin, as the
user is not required to subtract a large
constant voltage from its output to

obtain convenient Centigrade scaling.
It has a linear +10.0 mV/°C scale factor
and less than 60 μA current drain. As it
draws only 60 μA from its supply, it has
very low self-heating, less than 0.1°C in

still air. EasyMx PRO™ v7 for Stellaris

®

enables you to get analog readings
from the LM35 sensor in restricted

temperature range from +2ºC to

+150ºC. Board provides a
separate socket (TS2) for

the LM35 sensor in TO-92

plastic packaging. Readings

are done with microcontroller
using single analog input line,
which is selected with jumper J10.
Jumper connects the sensor with either
PD4 or PD7 microcontroller pins.

page 35

J10

PD4

PD7

VOUT

GND

VCC

DATA BUS

Figure 21-5: LM35 connected to PD4 pin

EasyMx PRO

™

v7 for Stellaris® enables you to get analog readings from the LM35

sensor using PD4 or PD7 microcontroller pins. The selection of either of those
two lines is done using J10 jumper. When placing the sensor in the socket make

sure that half-circle on the board silkscreen markings matches the rounded part

of the LM35 sensor. If you accidentally connect the sensor the other way, it can
be permanently damaged and you might need to replace it with another one.

During the readings of the sensor, make sure that no other device uses the

selected analog line, because it may interfere with the readings.

Figure 21-1:
LM35 not
connected

Figure 21-2:
LM35 placed
in socket

Figure 21-3:
LM35
connected
to PD4 pin

Figure 21-4:
LM35
connected
to PD7 pin

Enabling LM35 Sensor

1 2 3 4

LM35 - Analog
Temperature Sensor

other modules

EasyMx PRO

v7

Flash memory is a non-volatile storage chip that

can be electrically erased and reprogrammed. It

was developed from EEPROM (electrically erasable

programmable read-only memory) and must be

erased in fairly large blocks before these can be

rewritten with new data. The high density NAND type

must also be programmed and read in (smaller) blocks,

or pages, while the NOR type allows a single machine

word (byte) to be written or read independently. Flash

memories come in dierent sizes and supporting dierent

clock speeds. They are mostly used for mass storage, as in

USB Flash Drives, which are very popular today.

EasyMx PRO

™

v7 for Stellaris® features M25P80 serial Serial Flash

Memory which uses SPI communication interface and has 8 Mbits of

available memory, organized as 16 sectors, each containing 256 pages. Each

page is 256 bytes wide. Thus, the whole memory can be viewed as consisting of 4096

pages, or 1,048,576 bytes. Maximum clock frequency for READ instructions is 40MHz.

other modules

page 36

Serial Flash Memory

In order to connect Serial Flash Memory to
the microcontroller you must enable SW13.1,
SW13.2, SW13.3 and SW13.6 switches. This
connects SPI lines to PA5 (MOSI), PA4 (MISO),

PA2 (SCK) and PC7 (CS) microcontroller pins.

The Serial Peripheral Interface Bus or SPI bus is a synchronous serial data link standard that operates in full
duplex mode. It consists of four lines MISO (Master Input Slave Output), MOSI (Master Output Slave Input), SCK

(Clock) and CS (Chip Select). Devices communicate in master/slave mode where the master device initiates the
data frame. Multiple slave devices are allowed with individual slave select (chip select) lines.

Enabling Serial Flash

What is SPI?

Figure 22-1:
Schematic of
Serial Flash
Memory
module

EasyMx PRO

v7

C26
100nF

VCC-3.3V

1
2
3

5 4

6

7

8

CS

SDO

WP

GNDSDI

SCK

HOLD

VCC

U5

25P80

VCC-3.3V

R35
100K

FLASH-CS#

SPI-MISO

R36 27

VCC-3.3V

O

N

SW13

FLASH-CS#

SPI-MOSI
SPI-MISO

SPI-SCK

PA2

PA4

PA5

PC7

1 2 3 4 5

6

7 8

DATA BUS

EEPROM is short for Electrically Erasable
Programmable Read Only Memory. It is

usually a secondary storage memory in devices
containing data that is retained even if the device
looses power supply. EEPROMs come with parallel
or serial interface to the master device. Because
of the ability to alter single bytes of data, EEPROM
devices are used to store personal preference and

conguration data in a wide spectrum of consumer,

automotive, telecommunication, medical, industrial, and

PC applications.

EasyMx PRO

™

v7 for Stellaris® supports serial EEPROM which uses

I

2

C communication interface and has 1024 bytes of available

memory. EEPROM itself supports single byte or 16-byte (page) write and

read operations. Data rates are dependent of power supply voltage, and go up
to 400 kHz for 3.3V power supply.

other modules

page 37

I2C EEPROM

In order to connect I2C EEPROM to the
microcontroller you must enable SW13.4 and
SW13.5 switches, as shown on Figure 23-2. 2K2
pull-up resistors necessary for I

2

C communication

are already provided on SDA and SCL lines once
switches are turned on. Prior to using EEPROM in

your application, make sure to disconnect other

peripherals, LEDs and additional pull-up or pull­down resistors from the interface lines in order
not to interfere with signal/data integrity.

I

2

C is a multi-master serial single-ended bus that is used to attach low-speed peripherals to computer or embedded

systems. I²C uses only two open-drain lines, Serial Data Line (SDA) and Serial Clock (SCL), pulled up with

resistors. SCL line is driven by a master, while SDA is used as bidirectional line either by master or slave device.
Up to 112 slave devices can be connected to the same bus. Each slave must have a unique address.

Enabling I2C EEPROM

What is I

2

C?

Figure 23-2:
Activate
SW13.4
and SW13.5
switches to
enable pull-up
resistors in I

2

C
lines of Serial
EEPROM.

Figure 23-1:
Schematic of
I

2

C EEPROM

module

EasyMx PRO

v7

O

N

SW13

PB3

PB2

1 2 3 4 5

6

7 8

DATA BUS

C38
100nF

1
2
3

5 4

6

7

8

A0
A1
A2

VSSSDA

SCL

WP

VCC

U8

24AA01

VCC-3.3V VCC-3.3V VCC-3.3V

R61
2K2

R62
2K2

VCC-3.3V

EEPROM-SCL
EEPROM-SDA

Digital signals have two discrete states, which are decoded as high and

low, and interpreted as logic 1 and logic 0. Analog signals, on the other

hand, are continuous, and can have any value within dened range.

A/D converters are specialized circuits which can convert

analog signals (voltages) into a digital representation,

usually in form of an integer number. The value

of this number is linearly dependent on the

input voltage value. Most microcontrollers

nowadays internally have A/D

converters connected to one or
more input pins. Some of the

most important parameters of A/D

converters are conversion time and

resolution. Conversion time determines

how fast can an analog voltage be represented

in form of a digital number. This is an important

parameter if you need fast data acquisition. The other

parameter is resolution. Resolution represents the number

of discrete steps that supported voltage range can be divided

into. It determines the sensitivity of the A/D converter. Resolution is

represented in maximum number of bits that resulting number occupies.

Most microcontrollers have 10-bit resolution, meaning that maximum value of conversion can be represented with 10 bits, which

converted to integer is 2

10

=1024. This means that supported voltage range, for example from 0-3.3V, can be divided into 1024 discrete

steps of about 3.222mV. EasyMx PRO

™

v7 for Stellaris® provides an interface in form of potentiometer for simulating analog input voltages that

can be routed to any of the 5 supported analog input pins.

other modules

page 38

ADC inputs

DATA BUS

P1

10K

R56

220

VCC-3.3V

J9

M2X5

PE4

PE5

PE6

PE7

PD7

Enabling ADC inputs

In order to connect the output of the
potentiometer P1 to PE7, PE6, PE5, PE4
or PD7 analog microcontroller inputs, you
have to place the jumper J9 in the desired
position. By moving the potentiometer

knob, you can create voltages in range

from GND to VCC.

Figure 24-1:
Schematic of ADC
input

EasyMx PRO

v7

other modules

page 39

Additional GNDs

EasyMx PRO™ v7 for Stellaris® contains GND pins located in dierent sections of

the board, which allow you to easily connect oscilloscope GND reference when

you monitor signals on microcontroller pins, or signals of on-board modules.

GND is located below the analog input section.

GND is located just above PORTJ Input/Output Group.

1

2

Figure 25-1:
two oscilloscope GND pins are
conveniently positioned so

dierent parts of the board can be

reached with an oscilloscope probe

EasyMx PRO

v7

1

2

page 40

What’s Next?

You still don’t have an appropriate compiler? Locate ARM® compiler
that suits you best on the Product DVD provided with the package:

Choose between mikroC

™

, mikroBasic™ and mikroPascal™ and

download fully functional demo version, so you can begin building
your ARM

®

Cortex™-M3 and Cortex™-M4 applications.

Once you have chosen your compiler, and
since you already got the board, you are

ready to start writing your rst projects.
We have equipped our compilers with

dozens of examples that demonstrate
the use of each and every feature of
the EasyMx PRO

™

v7 for Stellaris® board,

and all of our accessory boards as well.

This makes an excellent starting point

for your future projects. Just load the
example, read well commented code,

and see how it works on hardware.

Browse through the compiler Examples

path to nd the following folder:

You have now completed the journey through each and every feature of EasyMx PRO

™

v7 Stellaris® board. You got to know it’s modules, organization, supported

microcontrollers, programmer and debugger. Now you are ready to start using your new board. We are suggesting several steps which are probably the best way to begin.
We invite you to join the users of EasyMx PRO

™

brand. You will nd very useful projects and tutorials and can get help from a large ecosystem of users. Welcome!

Compiler

Projects

DVD://download/eng/software/compilers/

\Development Systems\EasyMx_PROv7

If you want to nd answers to your

questions on many interesting topics
we invite you to visit our forum at

http://www.mikroe.com/forum

and browse through more than 150

thousand posts. You are likely to nd

just the right information for you. On
the other hand, if you want to download
free projects and libraries, or share your
own code, please visit the Libstock

website. With user proles, you can

get to know other programmers, and
subscribe to receive notications on

their code.

http://www.libstock.com/

Community

We all know how important it is that we

can rely on someone in moments when

we are stuck with our projects, facing a
deadline, or when we just want to ask

a simple, basic question, that’s pulling

us back for a while. We do understand

how important this is to people and
therefore our Support Department
is one of the pillars upon which our

company is based. MikroElektronika
oers Free Tech Support to the end

of product lifetime, so if something
goes wrong, we are ready and willing
to help!

http://www.mikroe.com/esupport/

Support

EasyMx PRO

v7

Copyright ©2011 Mikroelektronika.

All rights reserved. Mikroelektronika, Mikroelektronika logo and other

Mikroelektronika trademarks are the property of Mikroelektronika.
All other trademarks are the property of their respective owners.

Unauthorized copying, hiring, renting, public performance and

broadcasting of this DVD prohibited.

20122011

www.mikroe.com

A

v

a

i

l

a

b

l

e

o

n

P

r

o

d

u

c

t

D

V

D

!

EasyMx PRO

v7

notes

page 41

EasyMx PRO

v7

page 42

notes

DISCLAIMER

All the products owned by MikroElektronika are protected by copyright law and international copyright treaty. Therefore, this manual is to be treated as any other copyright

material. No part of this manual, including product and software described herein, must be reproduced, stored in a retrieval system, translated or transmitted in any form or by

any means, without the prior written permission of MikroElektronika. The manual PDF edition can be printed for private or local use, but not for distribution. Any modication

of this manual is prohibited.

MikroElektronika provides this manual ‘as is’ without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties or conditions of
merchantability or tness for a particular purpose.

MikroElektronika shall assume no responsibility or liability for any errors, omissions and inaccuracies that may appear in this manual. In no event shall MikroElektronika, its
directors, ocers, employees or distributors be liable for any indirect, specic, incidental or consequential damages (including damages for loss of business prots and business
information, business interruption or any other pecuniary loss) arising out of the use of this manual or product, even if MikroElektronika has been advised of the possibility of
such damages. MikroElektronika reserves the right to change information contained in this manual at any time without prior notice, if necessary.

TRADEMARKS

The Mikroelektronika name and logo, the Mikroelektronika logo, mikroC™, mikroBasic™, mikroPascal™, mikroProg™, mikromedia™, EasyARM™, EasyMx PRO™, Click boards™ and
mikroBUS

™

are trademarks of Mikroelektronika. All other trademarks mentioned herein are property of their respective companies.

All other product and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are only used for
identication or explanation and to the owners’ benet, with no intent to infringe.

HIGH RISK ACTIVITIES

The products of MikroElektronika are not fault – tolerant nor designed, manufactured or intended for use or resale as on – line control equipment in hazardous environments
requiring fail – safe performance, such as in the operation of nuclear facilities, aircraft navigation or communication systems, air trac control, direct life support
machines or weapons systems in which the failure of Software could lead directly to death, personal injury or severe physical or environmental damage (‘High Risk
Activities’). MikroElektronika and its suppliers specically disclaim any expressed or implied warranty of tness for High Risk Activities.

Copyright © MikroElektronika

™

, 2012, All Rights Reserved.

If you want to learn more about our products, please visit our website at www.mikroe.com

If you are experiencing some problems with any of our products or just need additional

information, please place your ticket at www.mikroe.com/en/support

If you have any questions, comments or business proposals,

do not hesitate to contact us at o[e-mail]

EasyMx PRO v7

for Stellaris ARM User Manual

ver. 1.02

0 100000 021033

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

MikroElektronika:
MIKROE-1043