Canon imagePRESS C1 Service Manual - page 956
Chapter 16
16-59
P032
7
WAKE order from DDI
PLIVE_WAKE*
6
Two-sided reverse motor drive pulse
-
5
PBD
4
Used as a mode switching signal for function checking
For factory
checking
3
Horizontal registration motor drive pulse
SIDE_REGI_A
2
Horizontal registration motor drive pulse
SIDE_REGI_A*
1
Horizontal registration motor drive pulse
SIDE_REGI_B
0
Horizontal registration motor drive pulse
SIDE_REGI_B*
P033
7
NC
WDCLK
6
Interruption to DDI
PSCNST
5
Rotary current switching 0
ROTARY_I0
4
Rotary current switching 1
ROTARY_I1
3
Buffer unit connection signal
BUF_CNCT
L: Connected
2
2-cassette/4-cassette detection signal (Specifications are
indicated later.)
CST_ID2
1
2-cassette/4-cassette detection signal (Specifications are
indicated later.)
CST_ID1
0
Rotary motor drive pulse B* (CLK from here at step µ)
ROTARY_CK
7
6
P034
5
DDI serial
PRTS
4
DDI serial
PCTS
3
-
-
2
DDI serial reception data
DDI_RXD
1
-
-
0
DDI serial transmission data
DDI_TXD
P035
7
A/D input (Refer to an attached sheet.)
AN7
6
A/D input (Refer to an attached sheet.)
AN6
5
A/D input (Refer to an attached sheet.)
AN5
4
A/D input (Refer to an attached sheet.)
AN4
3
A/D input (Refer to an attached sheet.)
AN3
2
A/D input (Refer to an attached sheet.)
AN2
1
A/D input (Refer to an attached sheet.)
AN1
0
A/D input (Refer to an attached sheet.)
AN0
P036
7
6
5
4
3
Control of communication flow with PC
CTS
2
Control of communication flow with PC
RTS
1
Reception data in communication with PC
PC_RXD
0
Transmission data in communication with PC
PC_TXD
P037
7
Interruption of rotary home position
ROTARY_HP_
SNS
6
IMG1
CS6*
5
Interruption of registration ON
REG_SNSX
4
For both ITOP_A and ITOP_B (Register judges which
ITOP is used.)
ITOPX
3
DDI ready
PPRDY
2
DDI ready
PCPRDY
1
CS is divided into two at ASIC.
CS5*
0
FlashROM(When downloading)
CS4*
P038
7
Image end signal (for rotary rotation standard)
CPU_PVREQ standard
CPU_IMENDX
6
Interruption of PVREQ for CPU (Always interrupted. This
is different from PVREQ.)
CPU_PVREQX
5
DDI interruption
PPRTST
4
3
2
1
0
Address
bit
Name
Symbol
Remarks