Rabbit BL2020, User Manual

Page: 4 / 94

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