ELM327 PDF Datasheet


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Description

This is OBD to RS232 Interpreter. ELM327 OBD to RS232 Interpreter Description Features Almost all new automobiles produced today are Supports 9 OBDII protocols required, by law, to provide an interface from which Automatically searches for a protocol test equipment can obtain diagnostic information. The data transfer on these interfaces follow several Fully configurable with AT commands standards, none of which are directly compatible High and Medium speed RS232 with PCs or PDAs. The ELM327 is designed to act as a bridge between these On-Board Diagnostics Voltage input for battery monitoring (OBD) ports and standard PC RS232 ports. Low power CMOS design The ELM327 builds on improved versions of our proven ELM320, ELM322, and ELM323 interfaces by adding four CAN protocols to them. The result is Connection Diagram an IC that can automatically sense and convert the PDIP and SOIC nine most common protocols in use today. There are (top view) a number of other improvements as well - a high s.