Canon BJC-5000 Service Manual page 82

Part 4: Technical Reference
BJC-5000
1284 Active
nAck Reverse
Data(1~8)
Byte0 Byte1
Host Ack
Host Clk
Periph Clk
Periph Ack
nCmd nCmd
nPeriph Request
nPeripheralRequest
XFlag
ECP Mode Supported
nReverseRequest
Figure 4-10 Timing Chart (ECP Mode/Reverse Mode)
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