汽车电脑通讯协议：oe91c1000.pdf

文档介绍：Features

• Compatible with ISO 9141-2
• to 6V operating range
• MIL LED output
• Only K Line communication
• Fixed or variable PIDs
• ECU address 0x33
• 5 Baud init process ISO 9141 ECU
• Physical and fonctional addressing simulator according
• MODE 1..4 to SAE J1979 and
• ISO9141-3 procedure possible ISO15031-5


Description OE91C1000

OE91C1000 is intented to help the OBD protocol
programmer. With a few external component ,
this chip simulate a ECU with K-Line diagnose
output. Most of SAE J1979 PIDs are implemented.
The PIDs are eighter fix or variable using a pot.
When the DTC input is low , three DTC are
generated and MIL LED is on till a erase DTC
command comes. ( MODE3 and 4 ). The
OE91C1000 communicate at 10400 baud with
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