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汽车电脑通讯协议：oe81c1100.pdf

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Features

• Compatible with ISO 14230-4
• to 6V operating range
• MIL LED output
• Only K Line communication
• Fixed or variable PIDs
• ECU address 0x33
• Slow init / fast init selection possible KWP2000 ECU
• Physical and fonctional addressing simulator according
• MODE 1..4 to ISO14230 and
ISO15031-5

Description OE81C1100

OE81C1100 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
OE81C1100 communicate at 10400 baud with
keywords 0x

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