The following precaution must be observed when working with the
devices described in this document.
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
ii
Caution:
Always use a grounding strap to prevent damage resulting fr om
electrostatic discharge (ESD).
UM020305-0508Safeguards
Page 3
Z8 Encore! XP® F1680 28-Pin Series Development Kit
Revision History
Each instance in Revision History reflects a change to this document from
its previous revision. For more details, refer to the corresponding pages
and appropriate links in the table below.
User Manual
iii
Date
May
2008
March
2008
February
2008
June
2007
November
2006
Revision
LevelDescription
5Added Z8F1680SJ020 to the
Introduction section.
4Modified Schematics Table 2 to
incorporate changes to R15 from
220 Ω to 0 Ω. Added Note 3 to the
Schematics.
3Updated document with new Zilog logo
and text. Implemented Style Guide.
2Removed IrDA.3, 7, 8,
1Original issue.All
Page
No
1
11
All
9, 12
UM020305-0508Revision History
Page 4
Z8 Encore! XP® F1680 28-Pin Series Development Kit
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
1
Zilog’s Z8 Encore! XP® F1680 Series are Flash microcontrollers based
on Zilog’s eZ8
applications, the Z8 Encore! XP F1680 Series support 1.8 V to 3.6 V
operation with extremely low active, halt, and stop mode currents and an
assortment of speed and low power options.
Z8F1680SJ020 is the silicon used in the board. For more details, refer to
Z8 Encore! XP
for download at www.zilog.com
The features available to balance power and performance needs of
applications include:
•
Wide operating voltage range: 1.8 V to 3.6 V.
•
Active, Halt, and Stop operational modes with the ability to enable or
disable peripherals for power savings.
•
Oscillator control that determines clock source, operating speed, and
fail safe operation in addition to fast wakeup.
•
A user-controlled Program RAM area to store interrupt service
routines of high-frequency interrupts. The Program RAM mechanism
ensures low average current and quick response for high frequency
interrupts.
The Z8 Encore! XP F1680 Series support up to 24 KB Flash program
memory and 2 KB register data RAM. It also supports up to 256 B NonVolatile Data Storage (NVDS) besides the 1 KB of Program RAM.
TM
CPU, the 8-bit CPU core. Optimized for low-power
®
F1680 Series Product Specification (PS0250) available
.
The Z8 Encore! XP F1680 Series feature up to eight single-ended
channels of 10-bit high speed analog-to-digital conversion with a sample
and hold circuit. It also features one low-power operational amplifier for
current sampling and two comparators. An on-chip temperature sensor
UM020305-0508Introduction
Page 6
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
allows die temperature measurement over a range of –40 ºC to +105 °C.
These devices also include an on-chip low voltage detect block with
user-selectable threshold.
Two full-duplex, 9-bit UARTs provide serial, asynchronous communication and support the local interconnect network (LIN) serial communications protocol. The LIN bus is a cost-efficient, single master, multiple
slave organization that supports speed up to 20 kbps. The Z8 Encore! XP
F1680 Series also support an Enhanced Serial Peripheral Interface (ESPI)
controller that provides buffered full-duplex, synchronous, characteroriented channel, and a I
2
C Master/Slave port to allow easy incorporation
into any system.
The Z8 Encore! XP F1680 Series feature three 16-bit timers with Pulse-
Width Modulation (PWM), Capture, and Compare capabilities. The
timers can operate in Stop mode using a low-power 32 kHz peripheral
clock. The noise filter prevents false MCU wakeup, which eventually
results in long-lasting battery. The Z8 Encore! XP F1680 Series also
feature a multichannel timer that supports four Capture/Compare modules
on one timer.
2
The Z8 Encore! XP F1680 Series feature a user-selectable system clock
and an external 32 kHz, watch-crystal-based, low-power peripheral clock.
System clock sources include a high accuracy Internal Precision Oscillator (IPO) requiring no external components and an on-chip oscillator
using external crystal, resonator, or low-cost RC circuit. The on-chip IPO
is 2% accurate over standard temperature and voltage, and its output
frequency is selectable in the 11 MHz to 43 kHz range. A low-power
external 32 kHz, watch-crystal-based peripheral clock is available for the
operation of timers in STOP mode as well as for the implementation of a
real-time clock.
The Z8 Encore! XP F1680 Series support a single-pin debugger and
programming interface that simplifies code development and allows easy
in-circuit programming.
UM020305-0508Introduction
Page 7
Features
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
Key features of Z8 Encore! XP F1680 Series Flash microcontrollers
include:
•
20 MHz eZ8TM CPU core
•
8 KB, 16 KB, or 24 KB Flash memory with in-circuit programming
capability
•
1 KB or 2 KB register data RAM
•
Up to 1 KB Program RAM for program code shadowing and data
storage (optional)
•
Up to 256 B Non-Volatile Data Storage (NVDS)
•
Optional fast 8-channel, 10-bit Analog-to-Digital Converter (ADC)
3
•
On-chip temperature sensor
•
Up to two on-chip analog comparators (20-pin and 28-pin packages
have only one)
•
On-chip Low-Power Operational Amplifier (LPO)
•
T wo full-duplex, 9-bit, Universal Asynchronous Receiver/T ransmitter
(UART) ports with support of Local Interconnect Network (LIN) protocol (20-pin and 28-pin packages have only one)
•
Enhanced Serial Peripheral Interface (SPI) controller (28-pin, 40-pin,
and 44-pin packages only)
•
I2C Master/Slave
•
Three enhanced 16-bit timers with Capture, Compare, and PWM
capability
•
Optional multichannel timer that supports four capture/compare
modules on one timer (44-pin packages only)
•
Watchdog Timer (WDT) with dedicated internal RC oscillator
UM020305-0508Introduction
Page 8
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
•
17 to 39 General-Purpose Input/Output (GPIO) pins depending on
package
•
Up to 8 direct LED drives
•
Up to 20 vectored interrupts
•
On-Chip Debugger (OCD)
•
Power-On Reset (POR)
•
Built-in Low-Voltage Detection (L VD) and Voltage Brownout (VBO)
protection
•
32 kHz secondary oscillator for timers
•
Internal Precision Oscillator (IPO) with output frequency in the range
of 43.2 kHz to 11.059 MHz
•
Crystal oscillator with three power settings and external RC network
option
•
Wide operation voltage: 1.8 V to 3.6 V
•
Up to thirty-nine 5 V-tolerant inputs (digital mode only)
4
•
Ultra low power consumption:
–Active mode:
Typical < 0.2 mA/MHz @1.8 V (Flash/PRAM On)
Typical < 0.1 mA/MHz @1.8 V (Flash Off/PRAM On)
–Halt mode:
Typical < 70 µA/MHz @1.8 V
–Stop mode:
Typical < 0.01 µA @1.8 V (all peripherals disabled)
Typical < 1.0 µA @1.8 V (WDT running)
•
20-pin, 28-pin, 40-pin, and 44-pin packages
•
0 ºC to +70 ºC (standard), –40 ºC to +105 ºC (extended) operating
temperature ranges
UM020305-0508Introduction
Page 9
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
5
CPU
For more information on Z8 Encore! XP F1680 Series, refer to
Z8 Encore! XP
for download at www.zilog.com
Zilog’s eZ8TM CPU, latest 8-bit CPU meets the continuing demand for
faster and more code-efficient microcontrollers. It executes a superset of
the original Z8
•
Direct register-to-reg ister architecture allows each register to function
as an accumulator, improving execution time and decreasing the
required Program Memory
•
Software stack allows greater depth in sub-routine calls and interrupts
more than hardware stacks
•
Compatible with existing Z8 code
•
Expanded internal Register File allows access up to 4 KB
•
New instructions improve execution efficiency for code developed
using higher-level programming languages including C
•
Pipelined instruction fetch and execution
®
F1680 Series Product Specification (PS0250), available
.
®
instruction set. The eZ8 CPU features include:
•
New instructions for improved performance including BIT, BSWAP,
BTJ, CPC, LDC, LDCI, LEA, MULT, and SRL
•
New instructions support 12-bit linear addressing of the register file
•
Up to 10 MIPS operation
•
C-Compiler friendly
•
Two to nine clock cycles per instruction
TM
For more details on eZ8 CPU, refer to eZ8(UM0128) available for download at www.zilog.com
UM020305-0508Introduction
CPU User Manual
.
Page 10
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
F1680 28-Pin Series Development
Board
The Z8 Encore! XP F1680 28-Pin Series development board is a development and prototyping board for the Z8 Encore! XP F1680 Series MCU.
The board provides customers with a tool to evaluate features of the
Z8 Encore! XP F1680 Series MCU and to start developing an application
before building the hardware.
6
Figure 1. Z8 Encore! XP F1680 28-Pin Series Development Board
UM020305-0508F1680 28-Pin Series Development Board
Page 11
Features
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
Key features of Z8 Encore! XP F1680 28-Pin Series development board
include:
•
Z8 Encore!® MCU (28-pin SOIC, Z8F1680SJ020SG)
•
3 LEDs
•
RS-232 interface
•
Two push buttons, RESET and TEST
•
5 V DC power connector
•
On-Chip Debugger interface
•
20 MHz crystal (Y1)
•
Header for ADC input
7
•
Prototyping area
•
External interface connectors JP1 and JP2
•
2.7 V to 3.6 V operating voltage with 5 V-tolerant inputs
MCU
The Z8 Encore! XP F1680 28-Pin Series MCU is member of a family of
®
Zilog
Flash in-circuit programming capability allows for faster development
time and program changes in the field. The eZ8 CPU is upward compatible with existing Z8
Z8 Encore! XP F1680 28-Pin Series makes it suitable for various applications including motor control, security systems, home appliances,
personal electronic devices, and sensors.
UM020305-0508F1680 28-Pin Series Development Board
microcontroller products based upon the 8-bit eZ8TM CPU. The
®
instructions. The rich peripheral set of the
Page 12
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
The development board contains circuitry to support and present all the
features of the Z8 Encore! XP F1680 28-Pin Series.
The key features of the Z8 Encore! XP F1680 28-Pin Series include:
•
eZ8TM CPU
•
16 K of Flash memory with in-circuit programming capability
•
2 KB of data RAM
•
1 KB of Program RAM
•
256 Bytes of NVDS
•
One I2C
•
One enhanced SPI controller
•
Twenty-three I/O lines
8
•
Nineteen interrupts
•
Three 16-bit timers with capture, compare, and PWM capability
UM020305-0508F1680 28-Pin Series Development Board
Page 13
Z8 Encore! XP® F1680 28-Pin Series Development Kit
•
2.7 V to 3.6 V operating voltage with 5 V-tolerant inputs
•
Operating temperatures: 20° ±10° C
For more information on the Z8 Encore! XP
®
Z8 Encore! XP
for download at www.zilog.com
F1680 Series Product Specification (PS0250), available
.
Power and Communication Interfaces
Table 1 provides jumper information concerning the shunt status,
functions, devices and defaults affected by jumpers JP3 and JP4.
Table 1. Jumpers JP3 and JP4
Device
JumperStatus
JP3*OUTRS-232
JP3INRS-232
JP5OUTU5 RESET
JP5INU5 RESET
Note: * These jumpers must not be OUT at the same time.
AffectedStatusDefault
interface
interface
/
PD0
/
PD0
User Manual
®
family of devices, refer to
EnabledX
Disabled
PD0 (GPIO)X
RESET when
SW1 pressed
9
External Interface Headers JP1 and JP2
External interface headers JP1 and JP2 are shown in the schematic on
page 13.
UM020305-0508F1680 28-Pin Series Development Board
Page 14
Installation
Follow the instructions provided in Z8 Encore! XP®/Z8 Encore!® (F0822,
F082A, F1680, and F083A Series) Development Kits Quick Start Guide
(QS0043) for the software installation and setup of the Z8 Encore! XP
F1680 28-Pin Series Development Kit.
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
10
UM020305-0508Installation
Page 15
Schematics
This section includes schematics for the Z8 Encore! XP F1680 Series
Development Board.
The following components appear in the schematic but are not installed
on the board itself:
•
C9
•
JP4
•
R3 through R5
•
U4
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
11
UM020305-0508Schematics
Page 16
Z8 Encore! XP
®
F1680 28-Pin Series Development Kit
User Manual
5
PA6_nT1OUT
PA7_T1OUT
DD
PC3_COUT
VCC_33V
GND
NOTE 3:
Resistors R20 and R21 are not populated. See Note 2.
Note 1:
PB6 and PB7 are dual function pins (GPIO or Analog supply)
R12, R13, R16, and R17 are zero-ohm resistors used in
conjunction with GPIO Control Registers to select function
desired. C21, C22, and C23 are bypass capacitors that are used
for better noise rejection. U8 is an optional filter that can
GND
R120R12
0
U8
1
IO
IO
GND
2
EMI FilterU8EMI Filter
SENSE
C22
C22
C23
C23
+
+
0.033uF
0.033uF
30uF
30uF
0.033uF
0.033uF
R160R16
0
be used to improve the quality of the Analog Supply. The
development board is shipped configured for Analog Supply.
Table 1 shows the configurations recommended
NOTE 1:
3
PB2_ANA2
PB4_ANA7
PB3_ANA3
C10
C10
0.001uF
0.001uF
PA3_CTS0
PA4_RXD0
PA5_TXD0
0
PA0_T0IN
PA1_T0OUT
PB7GND
C21
C21
R170R17
3
R130R13
0
PB5
VCC_33V
GND
PA2
PA3_CTS0
PA4_RXD0PC4
PA5_TXD0
NOTE 1:
PB0_ANA0PB2_ANA2
Note 2: The XP supports internal, external crystal, external
ceramic resonator, external R/C and external CMOS drive
clock modes. R14, R15, R18, C19, C20 and Y1 are used to
support the clock mode selected. The development board is
shipped configured for external 20MHz ceramic resonator or
internal clock operation. When using Internal oscilator,
pins 7 and 8 could be used as GPIO ports PA0 and PA1. To do
so install R20 and R21.
Table 2 shows the recommended clock mode configurations.
Figure 2. Z8 Encore! XP F1680 28-Pin Series MCU Development Board, Page 1 of 2
UM020305-0508
Page 17
Z8 Encore! XP
®
F1680 28-Pin Series Development Kit
User Manual
13
5
J1
J1
2
3
1
PWR JACK
PWR JACK
DD
GND
CC
GND
BB
AA
F1
RXE050F1RXE050
R23
R23
10K
10K
SENSE
R24
R24
15K
15K
147
34
147
56
147
1110
147
1312
5
U3B
U3B
74LVC04/SO
74LVC04/SO
U3C
U3C
74LVC04/SO
74LVC04/SO
U3E
U3E
74LVC04/SO
74LVC04/SO
U3F
U3F
74LVC04/SO
74LVC04/SO
-Z_RST
U7
U7
5
VIN
2
SENSE
4
SHDN
LT1129-3.3/DD
LT1129-3.3/DD
OUT
GND
3
4
5V
C4
0.1uFC40.1uF
1
0.1uFC80.1uF
C8
TP1TP1
+
C3
+
C3
100/10
100/10
12345
4
GND
VCC
+
+
100/10
100/10
VCC_33V
VCC_33V
R1
C7
C7
680R1680
21
D1
3.3 OK
LEDD1LED
GND
VCC_33V
12345
TP2TP2
3
VCC_33V
3
GND
VCC_33V
-DIS_232
R2
10KR210K
JP3JP3
1
2
DIS RS232
-DIS_IRDA
JP4JP4
1
2
DIS IRDA
DBG
INTERFACE
P2
P2
12
34
56
Header 3x2
Header 3x2
PA5_TXD0
PA3_CTS0
PA4_RXD0
12
GND
PA5_TXD0
147
R5
10KR510K
-Z_RST
DBG
C2
0.1uFC20.1uF
C6
0.1uFC60.1uF
GND
PA3_CTS0
PA4_RXD0
U3A
U3A
74LVC04/SO
74LVC04/SO
VCC_33V
R6
10KR610K
147
98
GND
2
4
5
6
13
12
15
10
1
20
DBG
2
U1
C1+
C1-
C2+
C2-
T1IN
T2IN
R1OUT
R2OUT
EN
SHDN
MAX3222U1MAX3222
U3D
U3D
74LVC04/SO
74LVC04/SO
2
5
1
2
4
3
6
GND
TXD0
CTS0
RXD0
C9
330nFC9330nF
U4
VCC
LEDA
TXD
SD
RXD
GND
1
C1
0.1uFC10.1uF
1
6
2
7
3
8
4
9
5
DB9 Female
DB9 Female
USER
T
ZHX1810U4ZHX1810
0
1
VCC_33V
19
3
V+
VCC
C5
7
V-
17
T1OUT
8
T2OUT
16
R1IN
9
R2IN
14
NC
11
NC
GND
18
GND
Title
Title
Title
SizeDocument NumberRev
SizeDocument NumberRev
SizeDocument NumberRev
B
B
B
Date:Sheet
Date:Sheet
Date:Sheet
0.1uFC50.1uF
R368R3
68
R4
2R7R42R7
PA5_TXD0
IRDA_SD
PA4_RXD0
XP 4K MDS Processor Module. Schematic.
XP 4K MDS Processor Module. Schematic.
XP 4K MDS Processor Module. Schematic.
96C0941-001D
96C0941-001D
96C0941-001D
CONSOLE
P1
P1
of
of
of
33Wednesday, March 12, 2008
33Wednesday, March 12, 2008
33Wednesday, March 12, 2008
Figure 3. Z8 Encore! XP F1680 28-Pin Series MCU Development Board, Page 2 of 2
UM020305-0508
Page 18
Z8 Encore! XP® F1680 28-Pin Series Development Kit
Customer Support
For answers to technical questions about the product, documentation, or
any other issues with Zilog’s offerings, please visit Zilog’s Knowledge
Base at http://www.zilog.com/kb
For any comments, detail technical questions, or reporting problems,
please visit Zilog’s Technical Support at http://support.zilog.com
User Manual
14
.
.
UM020305-0508
Page 19
Z8 Encore! XP® F1680 28-Pin Series Development Kit
User Manual
15
Warning:
DO NOT USE IN LIFE SUPPORT
LIFE SUPPORT POLICY
ZILOG'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL
COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE
EXPRESS PRIOR WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL
COUNSEL OF ZILOG CORPORATION.
As used herein
Life support devices or systems are devices which (a) are intended for surgical implant
into the body, or (b) support or sustain life and whose failure to perform when properly
used in accordance with instructions for use provided in the labeling can be reasonably
expected to result in a significant injury to the user. A critical component is any
component in a life support device or system whose failure to perform can be reasonably
expected to cause the failure of the life support device or system or to affect its safety or
effectiveness.
Z8, Z8 Encore!, and Z8 Encore! XP are registered trademarks of Zilog, Inc. eZ8 is a
trademark of Zilog, Inc. All other product or service names are the property of their
respective owners.
UM020305-0508
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