ELM320 Datasheet (ELM) - OBD (PWM) TO RS232 INTERPRETER

ELM320, OBD (PWM) TO RS232 INTERPRETER

Since the 1996 model year, North American automobiles have been required to provide an OBD, or On Board Diagnostics, port for the connection of test equipment.

Data is transferred serially between the vehicle and the external equipment using this connection, in a manner specified by the Society of A

ELM320 Features

* such as RS232 handshaking, variable baud rates, etc., have not been implemented. In addition, this device is only able to communicate using the 41.6KHz J1850 PWM protocol that is commonly used in Ford Motor Company vehicles. Features

* Low power CMOS design

* High current drive outp