W83697HF
1.3 Multi-Mode Parallel Port, continued
SYMBOL
BUSY
PIN
I/O
IN
FUNCTION
31
PRINTER MODE:
t
An active high input indicates that the printer is not ready to
receive data. This pin is pulled high internally. Refer to the
description of the parallel port for definition of this pin in ECP and
EPP mode.
OD
OD
EXTENSION FDD MODE: MOB2#
12
This pin is for Extension FDD B; its function is the same as the
MOB# pin of FDC.
EXTENSION 2FDD MODE: MOB2#
12
This pin is for Extension FDD A and B; its function is the same as
the MOB# pin of FDC.
ACK#
32
IN
PRINTER MODE: ACK#
t
An active low input on this pin indicates that the printer has
received data and is ready to accept more data. This pin is pulled
high internally. Refer to the description of the parallel port for the
definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: DSB2#
OD
OD
12
This pin is for the Extension FDD B; its functions is the same as
the DSB# pin of FDC.
EXTENSION 2FDD MODE: DSB2#
12
This pin is for Extension FDD A and B; its function is the same as
the DSB# pin of FDC.
ERR#
33
IN
PRINTER MODE: ERR#
t
An active low input on this pin indicates that the printer has
encountered an error condition. This pin is pulled high internally.
Refer to the description of the parallel port for the definition of this
pin in ECP and EPP mode.
EXTENSION FDD MODE: HEAD2#
OD
OD
12
This pin is for Extension FDD B; its function is the same as the
HEAD#pin of FDC.
12
EXTENSION 2FDD MODE: HEAD2#
This pin is for Extension FDD A and B; its function is the same as
the HEAD# pin of FDC.
Publication Release Date:Feb. 2002
- 9 -
Revision 0.70
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