W83877TF/W83877TG
-10 -
Multi-Mode Parallel Port, continued
SYMBOL PIN I/O FUNCTION
ERR
29 IN
t
PRINTER MODE:
ERR
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.
OD
12
EXTENSION FDD MODE:
HEAD2
This pin is for Extension FDD B; its function is the same as that
of the
HEAD pin.
OD
12
EXTENSION 2FDD MODE:
HEAD2
This pin is for Extension FDD A and B; its function is the same as
that of the
HEAD pin.
SLIN
22 OD
12
PRINTER MODE:
SLIN
Output line for detection of printer selection. 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.
OD
12
EXTENSION FDD MODE: STEP2
This pin is for Extension FDD B; its function is the same as that
of the
STEP pin.
OD
12
EXTENSION 2FDD MODE:
STEP2
This pin is for Extension FDD A and B; its function is the same as
that of the
STEP pin .
INIT
21 OD
12
PRINTER MODE:
INIT
Output line for the printer initialization. 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.
OD
12
EXTENSION FDD MODE:
DIR2
This pin is for Extension FDD B; its function is the same as that
of the
DIR pin.
OD
12
EXTENSION 2FDD MODE:
DIR2
This pin is for Extension FDD A and B; its function is the same as
that of the
DIR pin.
