MiTAC 8170 用户手册
141
8170 N/B MAINTENANCE
7.3 Debug Card
7.3.2 CIRCUIT:
PIO
CONNECTOR
LED
1
13
14
25
PIN 1
STB
STROBE SIGNAL
PIN 14
AFD
AUTO LINE FEED
PIN 2-9 D0 - D7 PARALLEL PORT DATA BUS D0 TO D7 PIN15
ERR
ERROR AT PRINTER
PIN10 ACK
ACKNOWLEDGE HANDSHANK
PIN16
INIT
INITIATE OUTPUT
PIN11 BUSY
BUSY SIGNAL
PIN17
SLIN
PRINTER SELECT
PIN12
PE PAPER
END
PIN13 SLCT PRINTER
SELECTED
PIN DEFINITION OF PIO PORT
PIN18-25
SIGNAL
GROUND