Canon PIXMA MP170, Service Manual

Page: 61 / 70

J3 (LCD)
2-5. Card Slot Board (Card Slot Unit)
Memory card connector [CompactFlash]
No. Signal name Function
1 Vss Ground
2 VLCD1 LCD power supply
3 VDD +3.3V
4 SEL1 Font select
5 RS Register select
6 E Data enable signal
7 to 14 DB0 to 7 Data signal
No. Signal name Function
1 GND CF ground
2 CF_D3 CF 16 bit data bus
3 CF_D4 CF 16 bit data bus
4 CF_D5 CF 16 bit data bus
5 CF_D6 CF 16 bit data bus
6 CF_D7 CF 16 bit data bus
7 CF_CE0X CF chip enable
8 GND(CF_A10) Ground (CF address bus)
9 GND(CF_ATASELX) Ground (CF ATA selector)
10 GND(CF_A9) Ground (CF address bus)
11 GND(CF_A8) Ground (CF address bus)
12 GND(CF_A7) Ground (CF address bus)
13 VCC CF logic power supply
14 GND(CF_A6) Ground (CF address bus)
15 GND(CF_A5) Ground (CF address bus)
16 GND(CF_A4) Ground (CF address bus)
17 GND(CF_A3) Ground (CF address bus)
18 CF_A2 CF address bus
19 CF_A1 CF address bus
20 CF_A0 CF address bus
21 CF_D0 CF 16 bit data bus
22 CF_D1 CF 16 bit data bus
23 CF_D2 CF 16 bit data bus
24 CF_IOCS16X
CF 16 bit access selector
25 CF_CD2X CF card detect
26 CF_CD1X CF card detect
27 CF_D11 CF 16 bit data bus
28 CF_D12 CF 16 bit data bus
29 CF_D13 CF 16 bit data bus
30 CF_D14 CF 16 bit data bus
31 CF_D15 CF 16 bit data bus
3-10