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ELM329 Datasheet PDF

ELM ELM329

The ELM329 is a device that can translate the data from an ISO 15765-4 interface into a form that may be readily used by computers, smart phones, or other devices. The following pages discuss the ELM329’s features in detail, how to use it and configure it, as well as providing some background information on the protocols that are supported. In addition, the ELM329 provides support for several other CAN protocols (including the SAE J1939 truck and bus standard), and for sending periodic messages, mixed ID messages, and for monitoring the CAN bus, to name only a few.
Part No. ELM329
Datasheet ELM329 Download
Manufacturer
ELM
Description CAN Interpreter
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ELM329 datasheet page 1 preview

DESCRIPTION

Since 1996, most vehicles have been required to monitor their own emissions performance and to report on it through an On-Board Diagnostics (OBD) port. Initially, several different protocols were used for the transfer of OBD data, but since the 2008 model year (in North America), only one protocol has been allowed - the ISO 15765-4 CAN standard. There are also schematic diagrams, and circuit construction tips.

APPLICATIONS

● Diagnostic trouble code readers
● Automotive scan tools
● Teaching aids Block Diagram Baud Rate 6 LFmode 7 MCLR 1 4.00 MHz 9 10 RS232Rx 18 RS232Tx 17 RS232 Interface PwrCtrl / Busy 16 IgnMon / RTS 15 PwrCtrl 14 Power Control Command and Protocol Interpreter CAN Monitor 11 CAN Monitor 5 Memory

FEATURES

● Power Control with standby mode
● High speed RS232 interface
● Automatically searches for protocols
● Fully configurable with AT commands
● Pin compatible with the ELM327
● Low power CMOS design Connection Diagram PDIP and SOIC (top view) MCLR Vmeasure A...
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