Oki PACEMARK 4410, Руководство по обслуживанию

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30
Note: From the illustration above, you can see that the command and the command response are output at the same time. This is b
ecause the
bit 0 to bit 3 of OPDATAIN-P are fixed so that the response can be returned before decoding the command.
OPDATAOUT-P OPSCLK-N OPDATAIN-P OPSQCR-N
12
3
2
31
6 7
5
or
8
bit0
bit7
Command (first)
Command (second)
Command response (first)
Command response (second)
Note
bit0
bit7
Reset within BU6152S
Power ON
Write instruction for LSI
reset
LSI write for LED data,
etc.
Read instruction for
data read
Response check
for OK or NG
Error notification
Instruction for
retransmission
1 2 3 4
7 8
5 6
NO
YES
Figure 2.18