Canon WS8400 Service Manual page 168

Chapter 6
J7(Engine controller I/F)
Pin
number
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
J11(USB I/F)
Pin
number
1
2
3
4
5
6
6-18
Signal name IN/OUT Function
reserved - -
GND - GND
GND - GND
SRIOUTDATA OUT Serial output data signal
GND - GND
SRIRE_CLK IN Serial receive clock signal
GND - GND
GND - GND
C-REQ OUT Command request signal
C-ACK IN Command acknowledge signal
GND - GND
READY IN Engine image data input ready signal
GND - GND
CLK OUT Image data transfer clock signal
GND - GND
D0 IN/OUT Parallel communication data signal
D2 IN/OUT Parallel communication data signal
D3 IN/OUT Parallel communication data signal
GND - GND
D6 IN/OUT Parallel communication data signal
D8 IN/OUT Parallel communication data signal
D9 IN/OUT Parallel communication data signal
GND - GND
D12 IN/OUT Parallel communication data signal
D14 IN/OUT Parallel communication data signal
D15 IN/OUT Parallel communication data signal
STANDBY OUT Software SW power supply ON/OFF signal
VCC2 IN Power supply (+5.0V)(OFF during sleep mode)
AUXVCC1 IN Controller power supply (+3.3V) (always ON)
AUXVCC1 IN Controller power supply (+3.3V) (always ON)
AUXVCC1 IN Controller power supply (+3.3V) (always ON)
AUXVCC1 IN Controller power supply (+3.3V) (always ON)
VCC1 IN Controller power supply (+3.3V) (OFF during sleep mode)
CVCC_ON OUT Power supply output from controller control signal
reserved - -
reserved - -
GND - GND
Signal name IN/OUT Function
VBUS OUT Power supply (+3.3V)
D- IN/OUT Data (-)
D+ IN/OUT Data (+)
AGND - GND
SHIELD - Shield
SHIELD - Shield
T-6-4