ELM320 Datasheet OBD (PWM) TO RS232 INTERPRETER

Manufacturer: ELM

ELM320 obd (pwm) to rs232 interpreter by ELM - Datasheet Preview

Datasheet Details

Part number	ELM320
Manufacturer	ELM
File Size	69.05 KB
Description	OBD (PWM) TO RS232 INTERPRETER
Datasheet	ELM320 Datasheet

General Description

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 Automotive Engineers (SAE) standards.

In addition to operating at different voltage levels, these ports also use a data format that is not compatible with the standard used for personal computers.

Overview

ELM320 OBD (PWM) to RS232 Interpreter.

Key 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 outputs.
Crystal controlled for accuracy.
Fully configurable using AT commands.
Standard ASCII character output.
High speed RS232 communications.
41.6KHz J1850.

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