ELM329LP datasheet(3/87 Pages) ELM

3 / 87 page

ELM329L

Elm Electronics – Circuits for the Hobbyist

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3 of 87

ELM329L DSA

Contents (continued)

Advanced Features

The CAN Monitor (pin 11).......................................................... 61

(continued)

Control Module Operation.......................................................... 61

Low Power Mode....................................................................... 62

Programmable Parameters........................................................ 65

Programmable Parameter Summary......................................... 66

Design Discussions

Maximum CAN Data Rates........................................................ 71

Microprocessor Interfaces..........................................................73

Upgrading Versions....................................................................74

Example Applications.................................................................75

Figure 9 - A CAN to USB Interpreter................................... 76

Figure 10 - Parts List for Figure 9........................................ 77

Figure 11 - A Low Speed RS232 Interface.......................... 77

Figure 12 - A High Speed RS232 Interface......................... 78

Figure 13 - An Alternative USB Interface............................ 78

Figure 14 - Connecting to a 3.3V System............................79

Modifications for Low Power Standby Operation....................... 80

Figure 15 - Low Power Mods Highlighted............................81

Misc. Information

Error Messages and Alerts.........................................................82

Version History...........................................................................84

Ordering Information.................................................................. 84

Outline Diagrams....................................................................... 85

Index.......................................................................................... 86

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