文档介绍：Features
• Compatible with EOBD/OBDII standard
• to 6V operating range
• Direct LED drive for status display
• ISO9141
• KWP2000
• J1850
• CAN Bus
• KW71,81,82,1281
• Multiple response from multiple ECU EOBD/OBDII to
• Physical and fonctional addressing RS232 gateway
• Discret or transceiver chip select
OE90C4000
Description
OBDII is an international standard for
communication between automobiles and
diagnostic specifies a serial data
communication bus between ECUs and diagnostic
test SAE OBDII Scan Tool ( SAE j1978 ).
The OE90C4000 provides an inteligent interface
between a Host and the vehicle’s Electronic
control units. Both LEDs display the current
communication status and connected information.
OE90C4000 is developed to meet first the ISO
15031-5 standard with ISO9141,KWP2000,SAE
j1850 and CAN Bus protocols but car specific
protocols KW71 and KW1281 are implemented.
GND DOWNL
VCC CLKOUT TXK
NC