Canon ImageRunner iR8500 Series Service Manual page 903

Addres Bit Description
s
P003 0 DDI-P general-purpose input
1 DDI-P general-purpose input
2 DDI-P general-purpose input
3 PSCNTST signal (scanner start-up
signal)
P004 0 DDI-S general-purpose output
1 DDI-S general-purpose output
2 3.3 V emergency power-off signal
3 SSCNST signal
P005 0 DDI-P general-purpose output
1 DDI-P general-purpose output
2 DDI-P general-purpose output
3 PPRTST signal
P006 0 battery alarm
1 parallel EEPROM R/B#
2 flash ROM R/B#
3 serial ROM connection detection
4 operation enable (card reader)
5 operation enable (coin robot)
6 serial EERPOM DO
7 HD connection detecting
P007 0 battery charge control
1 not used
2 not used
3 not used
4 PCI (PDL) soft reset
5 serial EEPROM CS
6 serial EEPROM SCK
7 serial EEPOM DIN
8 pickup count
9 delivery count
10 coin robot pickup count
11 coin robot delivery count
12 LCD back-light control
13 not used
14 parallel EEPROM write protect
15 not used
P008 0 not used
1 not used
2 not used
3 color UI detection
4 B&W UI detection
5 BAT board detection
6 not used
7 not used
Notation Remarks
not used
not used
not used
PPI 0: reader start
not used
not used
0: normal (ON), 1=
5W (OFF) sleep mode
SP0 not used
not used
not used
not used
PP0 0: printer image start
0: normal, 1: error
0: busy, 1: ready
0: busy, 1: ready
1: connected
0: enabled
0: enabled (not used)
access port to
EEPROM
GPI 0: HD present, 1: HD
absent
0: Enable, 1: Disable
0: LIPS board forced
reset
for factory adjustment
for factory adjustment
for factory adjustment
1: count
1: count
1: count (not used)
1: count (not used)
1: ON
0: Write, 1: Protect
0: color UI present
0: B&W UI present
0: present
Chapter 17
17-59