W83627HF/ F/ HG/ G
Multi-Mode Parallel Port, continued.
SYMBOL
PIN
I/O
FUNCTION
BUSY
33
INts
PRINTER MODE：
An active high input indicates that the printer is not ready to
receive data. Refer to the description of the parallel port for
definition of this pin in ECP and EPP mode.
MOB2#
OD12
EXTENSION FDD MODE：
This pin is for Extension FDD B; its function is the same as
the MOB# pin of FDC.
EXTENSION 2FDD MODE：
This pin is for Extension FDD A and B; its function is the
same as the MOB# pin of FDC.
ACK#
34
INts
PRINTER MODE：
An active low input on this pin indicates that the printer has
received data and is ready to accept more data. Refer to the
description of the parallel port for the definition of this pin in
ECP and EPP mode.
DSB2#
OD12
EXTENSION FDD MODE：
This pin is for the Extension FDD B; its functions are the
same as the DSB# pin of FDC.
EXTENSION 2FDD MODE：
This pin is for Extension FDD A and B; its function is the
same as the DSB# pin of FDC.
PD7
35
I/O12ts
PRINTER MODE： PD7
Parallel port data bus bit 7. Refer to the description of the par-
allel port for the definition of this pin in ECP and EPP mode.
DSA2#
OD12
EXTENSION FDD MODE：
This pin is a tri-state output.
EXTENSION 2FDD MODE：
This pin is for Extension FDD A; its function is the same as
the DSA# pin of FDC.
- 16 -
WINBOND [ WINBOND ]
