Rabbit Wildcat BL2000 User Manual

Wildcat (BL2000)

C-Programmable Singl e-Boar d Comp ut er with Et hern et

User’s Manual

019–0094 • 090529–O

Wildcat (BL2000)

Digi International Inc.

www.rabbit.com

Wildcat (BL2000) User’s Manual

Part Number 019-0094 • 090529–O • Printed in U. S.A.

©2001–2009 Digi International Inc. • All right s rese rved.

Digi International reserves the right to make changes and

improvements to its products without providing n otice.

T r ade mark s

Rabbit and Dynamic C are registered trademarks of Digi International Inc.

Rabbit 2000 is a trademark of Digi International Inc.

No part of the contents of this manual may be reproduced or transmitted in any form or by any means
without the express written permission of Digi International.

Permission is granted to make one or more copies as long as the copyright page contained therein is
included. These copies of the manuals may not be let or sold for any reason without the express written
permission of Digi International.

The latest revision of this manual is available on the Rabbit Web s ite, www.rabb it.com,
for free, unregistered download.

User’s Manual

TABLE OF CONTENTS

Chapter 1. Introduction 1

1.1 BL2000 Description..............................................................................................................................1

1.2 BL2000 Features...................................................................................................................................1

1.2.1 Connector Options........................................................................................................................2

1.3 Development and Evaluation Tools......................................................................................................3

1.3.1 Tool Kit.........................................................................................................................................3

1.3.2 Software........................................................................................................................................4

1.4 CE Compliance.....................................................................................................................................5

1.4.1 Design Guidelines.........................................................................................................................6

1.4.2 Interfacing the BL2000 to Other Devices.....................................................................................6

Chapter 2. Getting Started 7

2.1 BL2000 Connections............................................................................................................................7

2.2 Installing Dynamic C..........................................................................................................................10

2.3 Starting Dynamic C ............................................................................................................................11

2.4 PONG.C..............................................................................................................................................12

2.5 Where Do I Go From Here? ...............................................................................................................12

Chapter 3. Subsystems 13

3.1 BL2000 Pinouts..................................................................................................................................14

3.1.1 Headers and Screw Terminals.....................................................................................................15

3.1.2 Power Supply Pins......................................................................................................................16

3.2 Digital I/O...........................................................................................................................................17

3.2.1 Digital Inputs...............................................................................................................................17

3.2.2 Digital Outputs............................................................................................................................19

3.3 Relay Outputs .....................................................................................................................................21

3.4 Serial Communication ........................................................................................................................22

3.4.1 RS-232 ........................................................................................................................................22

3.4.2 RS-485 ........................................................................................................................................22

3.4.3 Ethernet Port ...............................................................................................................................24

3.4.4 Programming Port.......................................................................................................................25

3.5 A/D Converter Inputs..........................................................................................................................27

3.6 D/A Converter Outputs .......................................................................................................................28

3.7 Memory...............................................................................................................................................30

3.7.1 SRAM .........................................................................................................................................30

3.7.2 Flash Memory.............................................................................................................................30

3.8 Programming Cable............................................................................................................................31

3.8.1 Changing Between Program Mode and Run Mode....................................................................31

3.9 Other Hardware...................................................................................................................................32

3.9.1 External Interrupts.......................................................................................................................32

3.9.2 Clock Doubler.............................................................................................................................32

3.9.3 Spectrum Spreader......................................................................................................................33

Chapter 4. Software 35

4.1 An Overview of Dynamic C...............................................................................................................35

4.1.1 Upgrading Dynamic C................................................................................................................37

Wildcat (BL2000)

4.2 Sample Programs................................................................................................................................38

4.2.1 General BL2000 Sample Programs............................................................................................38

4.2.2 Digital I/O...................................................................................................................................38

4.2.3 Serial Communication................................................................................................................39

4.2.4 A/D Converter Inputs.................................................................................................................39

4.2.5 D/A Converter Outputs...............................................................................................................40

4.2.6 Real-Time Clock ........................................................................................................................40

4.2.7 TCP/IP Sample Programs...........................................................................................................40

4.3 BL2000 Libraries...............................................................................................................................41

4.4 BL2000 Function Calls......................................................................................................................42

4.4.1 Board Initialization.....................................................................................................................42

4.4.2 Digital I/O...................................................................................................................................44

4.4.3 Serial Communication................................................................................................................45

4.4.4 Relay and LED Outputs..............................................................................................................46

4.4.5 A/D Converter Inputs.................................................................................................................47

4.4.6 D/A Converter Outputs...............................................................................................................50

Chapter 5. Using the TCP/IP Features 53

5.1 TCP/IP Connections...........................................................................................................................53

5.2 TCP/IP Sample Programs...................................................................................................................55

5.2.1 How to Set IP Addresses in the Sample Programs .....................................................................55

5.2.2 How to Set Up your Computer’s IP Address for a Direct Connection ......................................56

5.3 Run the PINGME.C Sample Program................................................................................................57

5.4 Running More Sample Programs With a Direct Connection.............................................................58

5.5 Where Do I Go From Here?...............................................................................................................58

Appendix A. Specifications 59

A.1 Electrical and Mechanical Specifications..........................................................................................60

A.1.1 Headers......................................................................................................................................63

A.2 Conformal Coating............................................................................................................................64

A.3 Jumper Configurations......................................................................................................................65

A.4 Use of Rabbit 2000 Parallel Ports..................................................................................................... 67

Appendix B. Plastic Enclosure 69

B.1 Assembly...........................................................................................................................................70

B.2 Dimensions........................................................................................................................................72

Appendix C. Power Supply 73

C.1 Power Supplies..................................................................................................................................73

C.1.1 Power for Analog Circuits.........................................................................................................74

C.2 Batteries and External Battery Connections........................................... ...... ...... ...............................74

C.2.1 Replacing the Backup Battery...................................................................................................75

C.2.2 Battery-Backup Circuit..............................................................................................................75

C.2.3 Power to VRAM Switch............................................................................................................76

C.2.4 Reset Generator..........................................................................................................................77

C.3 Chip Select Circuit.............................................................................................................................78

Appendix D. Demonstration Board 81

D.1 Connecting Demonstration Board.....................................................................................................81

Index 85

Schematics 89

User’s Manual 1

1. INTRODUCTION

The BL2000 is a high-performance, C-programmable single­board computer that offers built-in digital and analog I/O com­bined with Ethernet connectivity in a compact form factor. A

Rabbit

®

2000 microprocessor operating at 22.1 MHz provides
fast data processing. An optional plastic enclosure is available,
and may be wall-mounted or panel-mounted.

1.1 BL2000 Description

The BL2000 is an advanced single-board computer that incorporates the powerful Rabbit
2000 microprocessor, flash memory, static RAM, digital I/O ports, A/D converter inputs,
D/A converter outputs, an SPDT relay output, and a 10Base-T Ethernet port.

1.2 BL2000 Features

• Rabbit® 2000 microprocessor operating at 22.1 MHz.

• 128K static RAM and 256K flash memory.

• Up to 28 digital I/O:

11 protected digital inputs (plus up to 7 dual-purpose unbuffered analog inputs that

may be software-configured for use as digital inputs) and 10 high-current digital
sinking outputs that may be factory-configured as sourcing outputs.

• 11 analog channels: nine 12-bit A/D converter inputs, two 12-bit D/A converter outputs.

• Onboard SPDT relay .

• One RJ-45 Ethernet port compliant with IEEE 802.3 standard for 10Base-T Ethernet

protocol.

• Eight status LEDs.

• 4 serial ports (2 RS-232 or 1 RS-232 with RTS/CTS, 1 RS-485, and 1 CMOS-compati-

ble programming port).

• Real-time clock.

• Watchdog supervisor.

• Voltage regulator.

2 Wildcat (BL2000)

• Backup battery.

• Ability to send e-mail and serve Web pages containing embedded data from single-

board computer.

• Remote program downloading and debugging capability via RabbitLink.

• Boards with the CE mark are CE-compliant.

• Optional plastic enclosure (can be wall-mounted or panel-mounted) and LED light

pipes (enclosure and light pipes are included with the Tool Kit, and are also sold sepa­rately).

Appendix A provides detailed specifications.
Four models of the BL2000 are available. Their standard features are summarized in

Table 1.

1.2.1 Connector Options

In addition to the standard screw-terminal connectors supplied on BL2000 boards, IDC
headers, bottom-mount connectors, and polarized friction-lock terminals may be factory­installed instead. Visit our Web site at www.rabbit.com or contact your Rabbit sales repre-
sentative or authorized distributor for further information.

Table 1. BL2000 Series Features

Model Features

BL2000 Full-featured single-board computer.

BL2010

BL2000 with eleven 10-bit A/D converter inputs (no D/A

converter outputs).
BL2020 BL2000 without Ethernet interface, only 6 LEDs.
BL2030 BL2010 without Ethernet interface, only 6 LEDs.

Standard screw terminals, accept
up to 14 AWG (1.5 mm

2

) wire

“Bottom-mount connector” to
mount BL2000 directly on 0.1"
pitch pins located on motherboard

2 × 17 IDC headers, 0.1" pitch

Polarized friction-lock terminals,

0.1" pitch

User’s Manual 3

1.3 Development and Evaluation Tools

1.3.1 Tool Kit

A T ool Kit contains the hardware essentials you will need to use your own BL2000 single­board computer. The items in the Tool Kit and their use are as follows:

• Getting Started instructions.

• Dynamic C CD-ROM, with complete product documentation on disk.

• Programming cable, used to connect your PC serial port to the BL2000.

• Universal AC adapter, 12 V DC, 1 A (includes Canada/Japan/U.S., Australia/N.Z.,

U.K., and European style plugs).

• Demonstration Board with pushbutton switches and LEDs. The Demonstration Board
can be hooked up to the BL2000 to demonstrate the I/O.

• Wire assembly to connect Demonstration Board to BL2000.

• Plastic enclosure with four screws and eight customer-installable light pipes.

• Screwdriver.

• Rabbit 2000 Processor Easy Reference poster.

• Registration card.

Figure 1. BL2000 Tool Kit

Rabbit and Dynamic C are registered trademarks of Digi International Inc.

Wildcat (BL2000)

The BL2000 provides optional Ethernet connectivity in a low-cost, high-performance single-board
computer rich with the digital I/O, A/D, and D/A designers need for embedded control and monitoring
applications on a compact board. These Getting Started instructions included with the Tool Kit will
help you get your BL2100 up and running so that you can run the sample programs to explore its capa­bilities and develop your own applications.

Tool Kit Contents

The BL2000 Tool Kit contains the following items:

• Dynamic C CD-ROM, with complete product documentation on disk.

• Programming cable, used to connect your PC serial port to the BL2000.

• Universal AC adapter, 12 V DC, 1 A (includes Canada/Japan/U.S., Australia/N.Z., U.K., and

European style plugs).

• Demonstration Board with pushbutton switches and LEDs. The Demonstration Board can be

hooked up to the BL2000 to demonstrate the I/O.

• Wire assembly to connect Demonstration Board to BL2000.

• Plastic enclosure with four screws and eight customer-installable light pipes.

• Screwdriver.

• Getting Started instructions.

• Rabbit 2000 Processor Easy Reference poster.

• Registration card.

Visit our online Rabbit store at www.rabbit.com/store/ for the latest information on peripherals and
accessories that are available for the BL2000 single-board computers.

Step 1 — Install Dynamic C

®

Before doing any development, you must install Dynamic C. Insert the CD from the Development Kit in
your PC’s CD-ROM drive. If the installation does not auto-start, run the setup.exe program in the root
directory of the Dynamic C CD. Install any Dynamic C modules after you install Dynamic C

.

PROG

DIAG

Programming

Cable

Screwdriver

Plastic Enclosure

Getting Started

Instructions

LED Light Pipes

Demo Board

Demo Board
Wiring Harness

Universal

AC Adapter

with Plugs

·

B

U

Z

Z

E

R

·

L

E

D

4

·

L

E

D

3

·

L

E

D

2

·

L

E

D

1

·

K

·

+

5

V

·

S

W

4

·

S

W

3

·

S

W

2

·

S

W

1

·

G

N

D

BUZZER

H

1

J

1

H2

· ·

1-2

· ·

3-4

· ·

5-6

LED1 LED2 LED3 LED4

SW1 SW2 SW3 SW4

·

·

8

-

7

·

·

6

-

5

·

·

4

­3

·

·

2

-

1

DEMO BOARD

4 Wildcat (BL2000)

1.3.2 Software

The BL2000 is programmed using version 7.04 or later of Rabbit’s Dynamic C. A compat-

ible version is included on the Tool Kit CD-ROM.

Dynamic C v. 9.60 includes the popular
µC/OS-II real-time operating system, point-to-point protocol (PPP), FAT file system,
RabbitWeb, and other select libraries that were previously sold as individual Dynamic C
modules.

Rabbit also offers for purchase the Rabbit Embedded Security Pack featuring the Secure
Sockets Layer (SSL) and a specific Advanced Encryption Standard (AES) library. In addi­tion to the Web-based technical support included at no extra charge, a one-year telephone­based technical support subscription is also available for purchase. Visit our Web site at

www.rabbit.com for further information and complete documentation, or contact your

Rabbit sales representative or authorized distributor.

User’s Manual 5

1.4 CE Compliance

Equipment is generally divided into two classes.

These limits apply over the range of 30–230 MHz. The limits are 7 dB higher for frequen­cies above 230 MHz. Although the test range goes to 1 GHz, the emissions from Rabbit­based systems at frequencies above 300 MHz are generally well below background noise
levels.

The BL2000 single-board computer has been tested and was found to
be in conformity with the following applicable immunity and emission
standards. The BL2010, BL2020, and BL2030 single-board computers
are also CE qualified as they are sub-versions of the BL2000 single­board computer. Boards that are CE-compliant have the CE mark.

NOTE: Earlier versions of the BL2000 sold before 2003 that do not have the CE mark

are not CE-compliant.

Immunity

The BL2000 series of single-board computers meets the following EN55024/1998 immu­nity standards.

• EN61000-4-3 (Radiated Immunity)

• EN61000-4-4 (EFT)

• EN61000-4-6 (Conducted Immunity)

Additional shielding or filtering may be required for a heavy industrial environment.

Emissions

The BL2000 series of single-board computers meets the following emission standards
using the enhanced-EMI PCB, Part# 175-0224 Rev. A, and the 668-0003 Rev. A Rabbit
2000 microprocessor.

• EN55022:1998 Class B

• FCC Part 15 Class B

Your results may vary, depending on your application, so additional shielding or filtering
may be needed to maintain the Class B emission qualification.

CLASS A CLASS B

Digital equipment meant for light industrial use Digital equipment meant for home use
Less restrictive emissions requirement:

less than 40 dB µV/m at 10 m
(40 dB relative to 1 µV/m) or 300 µV/m

More restrictive emissions requirement:
30 dB µV/m at 10 m o r 100 µV/m

6 Wildcat (BL2000)

1.4.1 Design Guidelines

Note the following requirements for incorporating the BL2000 series of single-board com­puters into your application to comply with CE requirements.

General

• The power supply provided with the Tool Kit is for development purposes only. It is the

customer’s responsibility to provide a CE-compliant power supply for the end-product
application.

• When connecting the BL2000 single-board computer to outdoor cables, the customer is

responsible for providing CE-approved surge/lighting protection.

• Rabbit recommends placing digital I/O or analog cables that are 3 m or longer in a

metal conduit to assist in maintaining CE compliance and to conform to good cable
design practices.

• When installing or servicing the BL2000, it is the responsibility of the end-user to use

proper ESD precautions to prevent ESD damage to the BL2000.

Safety

• All inputs and outputs to and from the BL2000 series of single-board computers must

not be connected to voltages exceeding SELV levels (42.4 V AC peak, or 60 V DC).

• The lithium backup battery circuit on the BL2000 single-board computer has been

designed to protect the battery from hazardous conditions such as reverse charging and
excessive current flows. Do not disable the safety features of the design.

1.4.2 Interfacing the BL2000 to Other Devices

Since the BL2000 series of single-board computers is designed to be connected to other
devices, good EMC practices should be followed to ensure compliance. CE compliance is
ultimately the responsibility of the integrator. Additional information, tips, and technical
assistance are available from your authorized Rabbit distributor, and are also available on
our Web site at www.rabbit.com.

User’s Manual 7

2. GETTING S TARTED

Chapter 2 explains how to connect the programming cable and
power supply to the BL2000.

2.1 BL2000 Connections

1. Attach the BL2000 to the plastic enclosure base.
Position the BL2000 over the plastic enclosure base as shown below in Figure 2. Attach

the BL2000 to the base at the top left and bottom right positions using the two 4-40 × ¼
screws supplied with the enclosure.

Figure 2. Attach BL2000 to Plastic Enclosure Base

The plastic enclosure base facilitates handling the BL2000 during development, and pro­vides an attractive mounting alternative. Alternatively, you may wish to use standoffs to
protect the components on the other side of the board. The plastic enclosure is offered as a
separate option when individual BL2000 boards are purchased.

NOTE: Appendix B, “Plastic Enclosure,” provides additional information and specifications

for the plastic enclosure.

14

23

L1

D2

J8

POWER IN

J7

T

V
S
1

J10

+

C28

R1

C23

C25

C17

J6

C20

D1

U4

Y3

Q2

C24

R30

R
1
5

1

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

U1

C2

C3

C19

R153

C18

R154

R9

R13

R15

C1

Y2

R
2
7

C
2
2

C
2
7

R

2

8

9

0

1

5

6
5

4

0

U5

R
5

5

R
5
4

R
3
7

R
3
6

R
3
8

R
5
6

C
4

0

C
3

9

C
3

8

R

5

0

R

5

1

R

5

2

R
5

8

R
5
9

R
6
0

C
3
5

C
3
4

C
3

3

C31

+

C29

R33

R31

C
3

6

U6

R32
R34
R35

C
4
1

R

5

3

R
6

1

D5

D4

R41

R42

D3

R40

R
5

7

R
3

9

C45

C44

C43

J2

J1

J4

J3

D6

D7 D8 D9

J9

J11

R43 R44

R45

C49C48

C47

C46

+

+

BT1

D

G

S

Q3

Q5

C32

D10

D11 D12

R46

R47

R48

R49

C51

C52

C50

C8

U2

R5

R
1
1

R
1
0

C75

C
1

1

R17

C4

C13

U3

R8

R18

R2

R3

R
2
3

R22

C
1

4

R152

R7

C78

C77

C76

C79

C5

C
1
5

1432

Y1

C26

Q4

Q1

R

2

5

R

2

4

R29

C21

R
2
6

1

56

1
0

K1

+

C9

R14
C12

R21

C7

J12

D
S
1

D
S
4

D
S

3

D
S

2

Q6

C
3
7

C

4

2

D
S

5

D
S
6

D
S
7

DS8

GND

IN3IN2 IN4 IN5 IN6 IN7 IN8 IN9 IN10 OUT8 OUT9 GND GNDOUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 NC

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6ADC5 ADC4 ADC3ADC2 ADC1 ADC0+RAW +K

NO

COM

GND

GND

GND

GN D

GND

GND

GND

GNDGNDGNDGND

GN D

GND GND

GND

GND GND

GN D

AGND

AGND

AGND

AGND

AGND

AG ND

P

W

R

L

N

K

A

C

T

O

U

T

0

O

U

T

1

O

U

T

2

O

U

T

3

B

A

D

JP2

Battery

CAUTION

C85

J
P
1

R
1
5

7

8 Wildcat (BL2000)

2. Connect the programming cable to download programs from your PC and to debug the
BL2000.

Connect the 10-pin

PROG connector of the programming cable to header J5 on the BL2000.

Ensure that the colored edge lines up with pin 1 as shown. (Do not use the DIAG connector,

which is used for a normal serial connection.) Connect the other end of the programming

cable to a COM port on your PC.

Figure 3. Programming Cable Connections

NOTE: Never disconnect the programming cable by pulling on the ribbon cable. Carefully

pull on the connector to remove it from the header.

NOTE: Some PCs now co me equipped only with a USB port. It m ay be possible to use an

RS-232/USB converter (Part No. 20-151-0178) with the programming cable supplied with
the Tool Kit. Note that not all RS-232/USB converters work with Dynamic C.

R1

C23

C25

C17

J6

C20

U4

Y3

Q2

C24

R30

R151

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

U1

C2

C3

C19

R153

C18

R154

R9

R13

R15

C1

Y2

R27C22

C27

R28

90

15

65

40

U5

J2

J1

J4
J3

C8

U2

R5

R11

R10

C75

C11

R17

C4

C13

U3

R8

R18

R2

R3

R23

R22

C14

R152

R7

C78

C77

C76

C79

C5

C15

1432

Y1

C26

Q4

Q1

R25

R24

R29

C21

R26

1

56

10

K1

+

C9

R14

C12

R21

C7

J12

DS1

DS4

DS3

DS2

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0+RAW +K

GND GND

GND

GND GND

GN D

AGND

AGND

AGND

AGND

AGND

AG ND

PWRLNKACTOUT 0

JP2

Colored edge

Programming Cable

To

PC COM port

C85

JP1

R157

PROG

J5

DIAG

PROG

Red

shrink wrap

User’s Manual 9

3. Connect the power supply.
First, prepare the AC adapter for the country where it will be used by selecting the plug.

The BL2000 Tool Kit presently includes Canada/Japan/U.S., Australia/N.Z., U.K., and
European style plugs. Snap in the top of the plug assembly into the slot at the top of the
AC adapter as shown in Figure 4, then press down on the spring-loaded clip below the
plug assembly to allow the plug assembly to click into place.

Connect the bare ends of the power supply to the +RAW and GND positions on screw-
terminal header J2 as shown in Figure 4.

Figure 4. Power Supply Connection

4. Apply power.
Plug in the AC adapter. If you are using your own power supply , it must provide 9 V to 40 V

DC—voltages outside this range could damage the BL2000.

CAUTION: Unplug the power supply while you make or otherwis e work with t he co nnection s

to the headers. This will prot ect your BL2000 fr om ina dver tent shor ts or power spikes.

NOTE:

The green PWR LED and the red BAD LED on the opposite end of the board

should come on, indicating that the BL2000 is now ready to be used.

NOTE: A hardware RESET is done by unplugging the AC adapter, then plugging it back in,

or by momentarily grounding the board reset input at pin 9 on screw-terminal header J2.

14

23

L1

D2

J8

POWER IN

J7

TVS1

J10

+

C28

R1

C23

C25

C17

J6

C20

D1

U4

Y3

Q2

C24

R30

R151

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

C19

R153

R154

R9

R13

R15

C1

Y2

R27C22

C27

R28

U5

R55

R54

R37

R36

R38

R56

C40

C39

C38R50

R51

R52

R58

R59

R60

C35

C34

C33

C31

+

C29

R33

R31

C36

R32
R34
R35

C41R53

R61

D4

R41

D3

R40

R57

R39

C44

C43

J2

J1

GND

IN3IN2 IN4 IN5 IN6 IN7 IN8 IN9 IN10 OUT8 OUT9 GND

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1+RAW +K

GND

GNDGNDGNDGND

GN D

GND GND

GND

GND GND

GN D

RESET

PIN

Remove slot cover,
insert tab into slot

Snap plug into place

2

1

Assemble

AC Adapter

J2

+



Red

Heat-Shrink

Tubing

10 Wildcat (BL2000)

2.2 Installing Dynamic C

If you have not yet installed Dynamic C version 7.04 (or a later version), do so now by
inserting the Dynamic C CD in your PC’s CD-ROM drive. The CD will auto-install unless
you have disabled auto-install on your PC.

If the CD does not auto-install, click Start > Run from the Windows St art button and
browse for the Dynamic C setup.exe file on your CD drive. Click OK to begin the
installation once you have selected the

setup.exe file.

The online documentation is installed along with Dynamic C, and an icon for the docu­mentation menu is placed on the workstation’s desktop. Double-click this icon to reach the
menu. If the icon is missing, create a new desktop icon that points to default.htm in the

docs folder, found in the Dynamic C installation folder.

The latest versions of all documents are always available for free, unregistered download
from our web sites as well.

The Dynamic C User’s Manual provides detailed instructions for the installation of
Dynamic C and any future upgrades.

NOTE: If you have an ea rl ier ve rs ion of Dynamic C alrea dy i ns tal l ed, t he default installat io n

of the later versi on wi ll be in a diff erent folder, and a separate icon will appear o n you r d esk­top.

User’s Manual 11

2.3 Starting Dynamic C

Once the BL2000 is connected to your PC and to a power source, start Dynamic C by
double-clicking on the Dynamic C icon on your desktop or in your Start menu.

Dynamic C defaults to using the serial port on your PC that you specified during installa­tion. If the port setting is correct, Dynamic C should detect the BL2000 and go through a
sequence of steps to cold-boot the BL2000 and to compile the BIOS. (Some versions of
Dynamic C will not do the init ial BIOS compile and load until the first t ime you compile a
program.)

If you are using a USB port to connect your computer to the BL2000, choose

Options >

Project Options

and select “Use USB to Serial Converter.” Click OK.

If you receive the message

No Rabbit Processor Detected, the programming

cable may be connected to the wrong COM port, a connection may be faulty, or the target
system may not be powered up. First, check both ends of the programming cable to ensure
that it is firmly plugged into the PC and the programming port.

If there are no faults with the hardware, select a different COM port within Dynamic C.
From the Options menu, select Communications. Select another COM port from the list,
then click OK. Press <Ctrl-Y> to force Dynamic C to recompile the BIOS. If Dynamic C
still reports it is unable to locate the target system, repeat the above steps until you locate the
active COM port. You should receive a Bios compiled successfully message
once this step is completed successfully.

If Dynamic C appears to compile the BIOS successfully, but you then receive a communi­cation error message when you compile and load a sample program, it is possible that your
PC cannot handle the higher program-loading baud rate. Try changing the maximum
download rate to a slower baud rate as follows.

• Locate the Serial Options dialog in the Dynamic C Options > Communications
menu. Select a slower Max download baud rate.

If a program compiles and loads, but then loses target communication before you can
begin debugging, it is possible that your PC cannot handle the default debugging baud
rate. Try lowering the debugging baud rate as follows.

• Locate the

Serial Options dialog in the Dynamic C Options > Communications

menu. Choose a lower debug baud rate.

12 Wildcat (BL2000)

2.4 PONG.C

You are now ready to test your set-up by running a sample program.
Find the file PONG.C, which is in the Dynamic C SAMPLES folder. To run the program,

open it with the File menu (if it is not still open), compile it using the Compile menu, and
then run it by selecting Run in the Run menu. The STDIO window will open and will dis­play a small square bouncing around in a box.

This program does not test the serial ports, the I/O, or the TCP/IP part of the board, but
does ensure that the board is basically functional. The sample program described in
Section 5.3, “Run the PINGME.C Sample Program,” tests the TCP/IP portion of the
board.

2.5 Where Do I Go From Here?

NOTE: If you purchased your BL2000 through a distributor or Rabbit partner, contact the

distributor or partner first for technical support.

If there are any problems at this point:

• Use the Dynamic C Help menu to get further assistance with Dynamic C.

• Check the Rabbit Technical Bulletin Board and forums at www.rabbit.com/support/bb/

and at www.rabbit.com/forums/.

• Use the Technical Support e-mail form at www.rabbit.com/support/.
If the sample program ran fine, you are now ready to go on to explore other BL2000 fea-

tures and develop your own applications.
Chapter 3, “Subsystems,” provides a description of the BL2000’s features, Chapter 4,

“Software,” describes the Dynamic C software libraries and introduces some sample pro­grams, and Chapter 5, “Using the TCP/IP Features,” explains the TCP/IP features.

User’s Manual 13

3. SUBSYSTEMS

Chapter 3 describes the principal subsystems for the BL2000.

• Digital I/O

• Relay Outputs

• Serial Communication

• A/D Converter Inputs

• D/A Converter Outputs

• Memory

• External Interrupts

Figure 5 shows these Rabbit-based subsystems designed into the BL2000.

Figure 5. BL2000 Subsystems

SRAM

Flash

11 MHz

osc

32 kHz

osc

BL2000

RABBIT

2000

RS-232

RS-485

A/D

Converter

Digital

Outputs

Relay

Output

Programming

Port

Digital
Inputs

Ethernet

D/A

Converter

14 Wildcat (BL2000)

3.1 BL2000 Pinouts

The BL2000 pinouts are shown in Figure 6(a) and Figure 6(b).

Figure 6(a). BL2000 Pinouts (screw-terminal headers)

Battery

Serial Port Nomenclature

HeaderJ2

TXD1
RXD1
TXD2
RXD2

Rabbit 2000

TxB

RxB

TxC/RTS

RxC/CTS

+RAW

GND

+K

/RESET

IN1

IN0

485

485+

RXD2

TXD2

RXD1

TXD1

J2

12

11

10

9

8

7

6

5

4

3

2

1

J8

AGND

DAC1

DAC0

ADC8

ADC7

ADC6

ADC5

ADC4

ADC3

ADC2

ADC1

ADC0

J4

12

11

10

9

8

7

6

5

4

3

2

1

J8

J12

GND

VBATEXT

GND

OUT0

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

NO

COM

NC

GND/VCC

J9

1

2

3

4

5

6

7

8

9

10

11

12

J8

1

2

3

4

5

6

7

8

9

10

11

12

J8

IN2

IN3

IN4

IN5

IN6

IN7

IN8

IN9

IN10

OUT8

OUT9

GND

J8

DS8

DS7

DS6

DS5

DS4

DS3

DS2

DS1

BAD OUT3 OUT2 OUT1 OUT0 ACT LNK PWR

J6

J7

User’s Manual 15

3.1.1 Headers and Screw Terminals

All BL2000 models are equipped with 1 × 12 screw terminal strips (J2, J4, J8, and J9) and
a 2-pin power jack (J7). The BL2000 and BL2010 also have the RJ-45 Ethernet jack (J6).

There is provision on the circuit board to accommodate one of the following types of
connectors instead of the screw-terminal strips.

• 2 × 17 IDC headers with a pitch of 0.1".

• 1 × 17 friction-lock connectors with a pitch of 0.1".

• 1 × 17 bottom-mount sockets with a pitch of 0.1". The holes for the bottom-mount

sockets are on the “outside” edges of the connector locations

The pinouts for these connectors are shown in Figure 6(b).

Figure 6(b). BL2000 Pinouts (other 0.1" headers)

Battery

Serial Port Nomenclature

HeaderJ2

TXD1

RXD1

TXD2

RXD2

Rabbit 2000

TxB
RxB

TxC/RTS

RxC/CTS

+RAW
GND
GND
+K
/RESET
GND
IN1
IN0
GND
485
485+
GND
RXD2
TXD2
GND
RXD1
TXD1

J1

AGND
DAC1
AGND
DAC0
ADC8
AGND
ADC7
ADC6
AGND
ADC5
ADC4
AGND
ADC3
ADC2
AGND
ADC1
ADC0

J3

J12

GND

VBATEXT

GND

OUT0
OUT1

GND
OUT2
OUT3

GND
OUT4
OUT5

GND
OUT6
OUT7

GND

NO

COM

GND

NC

GND/VCC

J11

IN2
IN3

GND

IN4
IN5

GND

IN6
IN7

GND

IN8

IN9
GND
IN10

OUT8

GND

OUT9

GND

J10

DS8

DS7

DS6

DS5

DS4

DS3

DS2

DS1

BAD OUT3 OUT2 OUT1 OUT0 ACT LNK PWR

J6

J7

1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33

33
31
29
27
25
23
21
19
17
15
13
11

9
7
5
3
1

33
31
29
27
25
23
21
19
17
15
13

11

9
7
5
3
1

1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33

16 Wildcat (BL2000)

3.1.2 Power Supply Pins

Instead of connecting an AC adapter to the power supply jack, J7, the input power supply
(9 V to 40 V DC) may be connected to pins 12 and 11 on header J2 (see Figure 6(a) or
Figure 6(b)).

Pin 12 on header J9 or J10 is normally GND by factory default, but may be changed to
Vcc by removing resistor R161 and installing resistor R160. See Appendix C, “Power
Supply,” for more information on this configuration and for information on backup­battery options.

User’s Manual 17

3.2 Digital I/O

3.2.1 Digital Inputs

The BL2000 has 11 digital inputs, IN0–IN10, each of which is protected over a range of
–36 V to +36 V. The inputs are factory-configured to be pulled up to +5 V, but they can
also be pulled down by moving the surface-mounted jumper at JP6 as shown in Figure 7.

Figure 7(a). BL2000 Digital Inputs [Pulled Up—JP6(1–2) connected]

Figure 7(b). BL2000 Digital Inputs [Pulled Down—JP6(2–3) connected]

JP6

10 nF

22 kW

27 kW

Rabbit 2000



Microprocessor

Factory
Default

Vcc

1

3

GND

JP6

JP6

10 nF

22 kW

27 kW

Rabbit 2000



Microprocessor

Vcc

1

3

GND

+5 V

JP6

18 Wildcat (BL2000)

Figure 7(c). Example of Logic Gate Driving BL2000 Digital Input

The actual switching threshold is approximately 2.40 V for channels IN0–IN10. Anything
below this value is a logic 0, and anything above is a logic 1.

The A/D converter inputs can be used as additional digital inputs using the parameters
specified for the digIn software function call. The default threshold for channels IN11–
IN21 is also set to 2.40 V, but may be changed by adding two lines to your program as dis­cussed for the digIn software function call.

The digital inputs are each fully protected over a range of -36 V to +36 V, and can handle
short spikes of ±40 V.

Figure 8. BL2000 Digital Input Protected Range

10 nF

22 kW

27 kW

Rabbit 2000



Microprocessor

Vcc

1

3

JP6

+40 V

+36 V

+3.3 V

40 V

Normal Switching

Levels

Spikes

Digital Input Voltage

Spikes

Spikes

User’s Manual 19

3.2.2 Digital Outputs

The BL2000 has 10 digital outputs, OUT0–OUT9, each of which can either sink or source
up to 200 mA, depending on how the outputs are configured. On boards that carry the CE
mark, OUT8 and OUT9 are each capable of sinking up to 750 mA.

Each output can be configured individually as either a sinking or a sourcing output as shown
in Figure 9. The outputs can be pulled as a group to Vcc, +K, or GND through 27 kΩ resis­tors. Tie the outputs high to either Vcc or +K when using the outputs as sinking outputs (via
0 Ω resistors at R32 or R35 respectively), or tie the outputs to GND via R34 when using the
outputs as sourcing outputs. +K is an externally supplied voltage of up to 40 V DC, and is
used primarily in combination with current sourcing outputs, and must also be connected to
an external supply when an inductive load is connected to a sinking output.

NOTE: Remove the 27 kΩ resistors (R143–R150) from the output circuits if no pull-

up/down is required to avoid leakage between the outputs. These resistors are located
on the bottom side of the BL2000 board above the solder points for screw terminal
header J9.

Vcc

27 kW

Vcc

27 kW

K

SINKING OUTPUTFactory Default

0 W

0 W

SOURCING OUTPUTSpecial Order

K

20 Wildcat (BL2000)

Figure 9. BL2000 Digital Outputs

The locations of the output pull-up/pull-down select resistors R32, R34, and R35 are
shown in Figure 10.

Figure 10. Locations of Resistors R32, R34, and R35

All BL2000 models are factory-configured with sinking outputs and pull-up resistors tied
to Vcc via a 0 Ω resistor at R32.

14

23

L1

D2

J8

POWER IN

J7

TVS1

J10

+

C28

C25

D1

Q2

R30

R55

R54

R37

R36

R38

R56

C40

C39

C38R50

R51

R52

R58

R59

R60

C35

C34

C33

C31

+

C29

R33

R31

C36

U6

R32
R34
R35

C41R53

R61

D5

D4

R41

R42

D3

R40

R57

R39

C45

C44

C43

D6

D7 D8 D9

J9

J11

R43 R44

R45

C49C48

C47

C46

+

+

BT1

D

G

S

Q3

Q5

C32

D10

D11 D12

R46

R47

R48

R49

C51

C52

C50

C26

Q4

R29

DS4

Q6

C37

C42

DS5

DS6

DS7

DS8

GND

IN3IN2 IN4 IN5 IN6 IN7 IN8 IN9 IN10 OUT8 OUT9 GND GND/VCCOUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 NCNO

COM

GND

GND

GND

GN D

GND

GND

GND

GNDGNDGNDGND

GN D

OUT 0OUT 1OUT 2OUT 3BAD

SRAM

R32
R34
R35

Battery

User’s Manual 21

3.3 Relay Outputs

Figure 11 shows the BL2000 relay contact connections. A diode across the coil provides a
return path for inductive spikes, and snubbers across the relay contacts protect the relay
contacts from inductive spikes.

Figure 11. BL2000 Relay Output Contact Connections

The relay is driven by PA0, which is the same Rabbit 2000 parallel port that drives OUT0
and LED DS4. OUT0 therefore works in parallel with the relay output.

The relay included on the BL2000 has contacts rated for 1 A @ 30 V DC or 300 mA @
120 V AC. When using the BL2000 in a CE-certified application, the voltages handled by
the relay must not exceed SELV levels (42.4 V AC peak, or 60 V DC).

7

8

9

1

10

COM

NO

NC

4

3

2

COM

NO

NC

Vcc

47 W

100 nF

47 W

100 nF

J9

9

10

11

Rabbit 2000



Microprocessor

22 Wildcat (BL2000)

3.4 Serial Communication

The BL2000 has one RS-232 serial channel (with RTS/CTS) or two RS-232 (3-wire)
channels, one RS-485 serial channel, and one CMOS serial channel. The RS-232 chan­nel(s) are configured with the serMode software function call. Table 2 summarizes the
options.

All four serial ports operate in an asynchronous mode. An asynchronous port can handle 7
or 8 data bits. A 9th bit address scheme, where an additional bit is sent to mark the first
byte of a message, is also supported. Serial Port A can be operated alternately in the
clocked serial mode. In this mode, a clock line synchronously clocks the data in or out.
Either of the two communicating devices can supply the clock. The BL2000 series boards
typically use all four ports in the asynchronous serial mode. Serial Ports B and C are used
for RS-232 communication, and Serial Port D is used for RS-485 communication. The
BL2000 uses an 11.0592 MHz crystal, which is doubled to 22.1184 MHz. At this fre­quency, the BL2000 supports standard baud rates up to a maximum of 230,400 bps.

3.4.1 RS-232

The BL2000 RS-232 serial communication is supported by an RS-232 transceiver , U1. U1
provides the voltage output, slew rate, and input voltage immunity required to meet the
RS-232 serial communication protocol. Basically, the chip translates the Rabbit 2000’s
CMOS/TTL signals to RS-232 signal levels. Note that the polarity is reversed in an
RS-232 circuit so that a +5 V output becomes approximately -10 V and 0 V is output as
+10 V. U1 also provides the proper line loading for reliable communication.

RS-232 can be used effectively at this baud rate for distances up to 15 m.

3.4.2 RS-485

The BL2000 has one RS-485 serial channel, which is connected to the Rabbit 2000 Serial
Port D through U8, an RS-485 transceiver.

U8 supports the RS-485 serial communication

protocol. The chip’s slew rate limiters provide for a maximum baud rate of

230,400

bps

,
which allows for a network of up to 300 m (or 1000 ft). The half-duplex communication
uses the Rabbit 2000’s PB6 pin to control the transmit enable on the communication line.

The BL2000 can be used in an RS-485 multidrop network. Connect the 485+ to 485+ and
485– to 485– using single twisted-pair wires (nonstranded, tinned) as shown in Figure 12.
Note that a common ground is recommended.

Table 2. Serial Communication Configurations

Mode

Serial Port

B C D

0 RS-232, 3-wire RS-232, 3-wire RS-485
1 RS-232, 5-wire CTS/RTS RS-485

User’s Manual 23

Figure 12. Multidrop BL2000 Network

R1

C17

C20

Y3

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

U1

C2

C3

C19

R153

C18

R154

R9

R13

R15

C1

Y2

U5

J2

J1

J4

J3

C8

U2

R5

R11

R10

C75

C11

R17

C4

C13

U3

R8

R18

R2

R3

R23

R22

C14

R152

R7

C78

C77

C76

C79

C5

C15

Q1

R24

C21

+

C9

R14

C12

R21

C7

J12

DS1

DS2

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0+RAW +K

GND GND

GND

GND GND

GN D

AGND

AGND

AGND

AGND

AGND

AG ND

PWRLNK

JP2

C85

JP1

R157

R1

C17

C20

Y3

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

U1

C2

C3

C19

R153

C18

R154

R9

R13

R15

C1

Y2

U5

J2

J1

J4

J3

C8

U2

R5

R11

R10

C75

C11

R17

C4

C13

U3

R8

R18

R2

R3

R23

R22

C14

R152

R7

C78

C77

C76

C79

C5

C15

Q1

R24

C21

+

C9

R14

C12

R21

C7

J12

DS1

DS2

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0+RAW +K

GND GND

GND

GND GND

GN D

AGND

AGND

AGND

AGND

AGND

AG ND

PWRLNK

JP2

C85

JP1

R157

R1

C17

C20

Y3

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

U1

C2
C3

C19

R153

C18

R154

R9

R13

R15

C1

Y2

U5

J2

J1

J4

J3

C8

U2

R5

R11

R10

C75

C11

R17

C4

C13

U3

R8

R18

R2

R3

R23

R22

C14

R152

R7

C78

C77

C76

C79

C5

C15

Q1

R24

C21

+

C9

R14

C12

R21

C7

J12

DS1

DS2

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0+RAW +K

GND GND

GND

GND GND

GN D

AGND

AGND

AGND

AGND

AGND

AG ND

PWRLNK

JP2

C85

JP1

R157

GN

+K

/RESET

IN1

IN0

485

485+

RX

J2

10

9

8

7

6

5

Ground recommended

24 Wildcat (BL2000)

The BL2000 comes with a 220 Ω termination resistor and two 681 Ω bias resistors installed
and enabled with jumpers across pins 1–2 and 3–4 on header JP1, as shown in Figure 13.

Figure 13. RS-485 Termination and Bias Resistors

The bias and termination resistors in a multidrop network should only be enabled on both
end nodes of the network. Disable the termination and bias resistors on the intervening
BL2000 units in the network by removing both jumpers from header JP1.

3.4.3 Ethernet Port

Figure 14 shows the pinout for the Et her net po rt (J6) . Note t hat th ere are tw o stan dar ds for
numbering the pins on this connector—the convention used here, and numbering in reverse
to that shown. Regardless of the numbering convention followed, the pin positions relative
to the spring tab position (located at the bottom of the RJ-45 jack in Figure 14) are always
absolute, and the RJ-45 connector will work pr operly with off-the-shelf Ethernet cables.

Figure 14. RJ-45 Ethernet Port Pinout

RJ-45 pinouts are sometimes numbered opposite to the way shown in Figure 14.

R68
681 W

R70
220 W

R77
681 W

485+

485

6

7

termi-

nation

bias

bias

U8

Factory
Default

U1

C2

C3

J4
J3

C8

U2

R5

R11

R10

C75

C11

C4

U3

R8

R18

R2

R3R7C78

C79

C5

+

C9

R14

C12

C7

J12

RXD1 TXD1 AGND DAC1 DAC0 ADC8 ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0

GND AGND

AGND

AGND

AGND

AGND

AG ND

C85

JP1

R157

JP1

1

2

3

4

JP1

1

2

3

4

ETHERNET

RJ-45 Plug

1. E_Tx+

2. E_Tx

3. E_Rx+

6. E_Rx

1

8

RJ-45 Jack

J6

User’s Manual 25

The transformer/connector assembly ground is connected to the BL2000 printed circuit
board digital ground via a 0 Ω resistor “jumper,” R1, as shown in Figure 15.

Figure 15. Isolation Resistor R1

The factory default is for the 0 Ω resistor “jumper” at R1 to be installed. In high-noise
environments, it may be useful to ground the transformer/connector assembly directly
through the chassis ground. This will be especially helpful to minimize ESD and/or EMI
problems. Once you have removed the 0 Ω resistor “jumper,” R1, use a ring lug to attach
the BL2000 to the chassis ground, thereby grounding the transformer/connector assembly.

A convenient position for the ring lug has been provided at the top-left mounting screw
hole near the RJ-45 jack as shown in Figure 16.

Figure 16. Recommended Location for Ring Lug

3.4.4 Programming Port

The BL2000 has a 10-pin programming header labeled J5. The programming port uses the
Rabbit 2000’ s Serial Port A for communication. Dynamic C uses the programming port to
download and debug programs.

The programming port is also used for the following operations.

• Cold-boot the Rabbit 2000 after a reset.

• Remotely download and debug a program over an Ethernet connection using the

RabbitLink EG2110.

• Fast copy designated portions of flash memory from one Rabbit-based board (the
master) to another (the slave) using the Rabbit Cloning Board.

RJ-45 Ethernet Plug

R1

Chassis
Ground

Board

Ground

R1

C23

C17

J6

C20

D1

U4

Y3

Q2

C24

R151

R4

C16

R20

R6

R12

C10

J5

R19

C80

R16

R130

C19

R153

R154

R9

R13

R15

C1

Y2

R27C22

C27

R28

U5

J2

J1

GND RST- IN1 IN0 485- 485+ RXD2 TXD2 RXD1 TXD1+RAW +K

GND GND

GND

GND GND

GN D

Remove R1

Add solder lug to

connect ground

wire to chassis