W83627DHG-PT Nuvoton Technology Corporation of America, W83627DHG-PT Datasheet - Page 19

• Manufacturer Part Number: W83627DHG-PT
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG-PT

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

5.3
DSKCHG#
SYMBOL
RDATA#
SYMBOL
HEAD#
MOB2#
WE2#
WD2#
BUSY
SLCT
Multi-Mode Parallel Port
PE
PIN
15
16
17
PIN
31
32
33
OD
IN
IN
I/O
OD
OD
OD
IN
IN
IN
I/O
cs
cs
24
ts
ts
12
ts
12
12
The read-data input signal from the FDD. This input pin needs to
connect a pulled-up 1-KΩ resistor to 5V for Floppy Drive compatibility.
Head selection. This open-rain output determines which disk drive
head is active.
Logic 1 = side 0
Logic 0 = side 1
Diskette change. This signal is active-low at power-on and whenever
the diskette is removed. This input pin needs to connect a pulled-up 1-
KΩ resistor to 5V for Floppy Drive compatibility.
PRINTER MODE:
An active-high input on this pin indicates that the printer is selected.
See the description of the parallel port for the definition of this pin in
ECP and EPP modes.
EXTENSION FDD MODE:
This pin is for Extension FDD B; its function is the same as the WE#
pin of FDC.
EXTENSION 2FDD MODE:
This pin is for Extension FDD A and B; its function is the same as the
WE# pin of FDC.
PRINTER MODE:
An active-high input on this pin indicates that the printer has detected
the end of the paper. See the description of the parallel port for the
definitions of this pin in ECP and EPP modes.
EXTENSION FDD MODE:
This pin is for Extension FDD B; its function is the same as the WD#
pin of FDC.
EXTENSION 2FDD MODE
This pin is for Extension FDD A and B; its function is the same as the
WD# pin of FDC
PRINTER MODE:
An active-high input indicates that the printer is not ready to receive
data. See the description of the parallel port for the definitions of this
pin in ECP and EPP modes.
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.
W83627DHG-P/W83627DHG-PT
-9-
DESCRIPTION
DESCRIPTION
Publication Release Date: July 09, 2009
Version 1.94