ELM327 View Datasheet(PDF) - Elm Electronics
Part Name
Description
Manufacturer
ELM327 Datasheet PDF : 94 Pages
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ELM327
Contents
Advanced Features
(continued)
Programming Serial Numbers....................................................63
Saving a Data Byte.................................................................... 63
The Activity Monitor....................................................................64
Power Control............................................................................ 64
Programmable Parameters........................................................ 68
Programmable Parameter Summary......................................... 69
Design Discussions
Maximum CAN Data Rates........................................................ 74
Microprocessor Interfaces..........................................................76
Upgrading Versions....................................................................77
Example Applications.................................................................78
Figure 9 - An OBD to USB Interpreter................................. 80
Figure 10 - Parts List for Figure 9........................................ 81
Figure 11 - A Low Speed RS232 Interface.......................... 81
Figure 12 - A High Speed RS232 Interface......................... 82
Figure 13 - An Alternative USB Interface............................ 82
Figure 14 - Connecting to a 3.3V System............................83
Modifications for Low Power Standby Operation....................... 84
Misc. Information
Error Messages and Alerts.........................................................87
Version History...........................................................................90
Outline Diagrams....................................................................... 92
Ordering Information.................................................................. 92
Copyright and Disclaimer........................................................... 92
Index.......................................................................................... 93
ELM327DSJ
Elm Electronics – Circuits for the Hobbyist
www.elmelectronics.com
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