Canon WS8400 Service Manual page 167

J6(Operation panel I/F)
Pin Signal name IN/OUT
number
1 +3.3V OUT
2 PCS OUT
3 PDO OUT
4 PCK OUT
5 PDI IN
6 GND -
7 START OUT
8 STANDBY IN
9 +5V OUT
J7(Engine controller I/F)
Pin Signal name IN/OUT
number
1 GND -
2 E_RDY IN
3 C_WAKE IN
4 C_RDY OUT
5 GND -
6 reserved -
7 SRITR_CLK OUT
8 GND -
9 SRIINDATA IN
10 E_INT IN
11 GND -
12 S-REQ IN
13 GND -
14 S-ACK OUT
15 ENABLE OUT
16 GND -
17 GND -
18 GND -
19 D1 IN/OUT
20 GND -
21 D4 IN/OUT
22 D5 IN/OUT
23 D7 IN/OUT
24 GND -
25 D10 IN/OUT
26 D11 IN/OUT
27 D13 IN/OUT
28 GND -
29 reserved -
30 START IN
31 VCC2 IN
32 AUXVCC1 IN
33 AUXVCC1 IN
34 AUXVCC1 IN
35 AUXVCC1 IN
36 AUXVCC1 IN
37 EVCC_ON IN
38 reserved -
39 GPDATA22 IN/OUT
40 GND -
41 GND -
42 reserved -
43 GND -
T-6-2
Function
Power supply (+3.3V)
Select signal to operation panel
Transmit data to operation panel
Clock signal to operation panel
Receive data from operation panel
GND
Software SW steady state input power supply (+3.3V)
Software SW power supply ON/OFF signal
Power supply (+5.0V)
T-6-3
Function
GND
Engine ready signal
Controller wake command signal
Controller ready signal
GND
-
Serial send clock signal
GND
Serial receive data signal
Serial status send request interrupt
GND
Engine status request signal
GND
Engine status acknowledge signal
Image data enable signal
GND
GND
GND
Parallel communication data signal
GND
Parallel communication data signal
Parallel communication data signal
Parallel communication data signal
GND
Parallel communication data signal
Parallel communication data signal
Parallel communication data signal
GND
-
Software SW steady state input power supply (+3.3V)
Power supply (+5.0V)(OFF during sleep mode)
Controller power supply (+3.3V) (always ON)
Controller power supply (+3.3V) (always ON)
Controller power supply (+3.3V) (always ON)
Controller power supply (+3.3V) (always ON)
Controller power supply (+3.3V) (always ON)
Power supply output from engine control signal
-
General purpose input/output terminal (unconnected)
GND
GND
-
GND
Chapter 6
6-17