Epson Stylus PHoto 875DC Service Manual page 50

EPSON Stylus PHOTO 875DC
Table 7-4. CN3 Pin Assignment (continued)
15 /WE
44 /IORD
45 /IOWR
58 RESET
16 RDY
59 /WAIT
62 BVD2/SPKR
BVD1/
63
STSCHK
60 INPACK
33 WP/IOIS16B
43 VS1
57 VS2
36 /CD1
67 /CD2
Table 7-5. CN Pin Assignment
1, 2 +5V
3, 4 GND
5, 6 +3.3V
7, 8 GND
APPENDIX
Write enable
I/O read
I/O Write
Reset
Ready
Bus cycle extension
Batttery voltage detection/Audio
digital waveform
Battery voltage detection/Card
status change
Input port replay
Write protect/I/O port is 16bit
Voltage sense
Voltage sense
Card detection
Card detection
+5V power source
Ground
+3.3V power supply
Ground
Connector Summary
Revision A
50