ELM 329 - Page 3

ELM329
Elm Electronics – Circuits for the Hobbyist
www.elmelectronics.com
3 of 83
ELM329DSC
Contents (continued)
Advanced Features The CAN Monitor (pin 11).......................................................... 60
(continued) Control Module Operation..........................................................60
Low Power Mode....................................................................... 61
Programmable Parameters........................................................64
Programmable Parameter Summary......................................... 65
Design Discussions Compatibility with the ELM327...................................................70
Modifications for Low Power Standby Operation....................... 70
Maximum CAN Data Rates........................................................71
Microprocessor Interfaces..........................................................73
Example Applications.................................................................74
Figure 9 - A CAN to USB Interpreter................................... 75
Figure 10 - Parts List for Figure 9........................................76
Figure 11 - A Low Speed RS232 Interface..........................77
Figure 12 - A High Speed RS232 Interface.........................77
Figure 13 - An Alternative USB Interface............................ 78
Misc. Information Error Messages and Alerts.........................................................79
Outline Diagrams....................................................................... 81
Ordering Information.................................................................. 81
Copyright and Disclaimer...........................................................81
Index.......................................................................................... 82