參數(shù)資料
型號(hào): W83627SF
英文描述: W83627F plus Smart Card Reader Interface. VID Control. GP I/O?
中文描述: W83627F加上智能卡閱讀器接口。 VID控制。大獎(jiǎng)賽的I / O?
文件頁數(shù): 16/147頁
文件大小: 1348K
代理商: W83627SF
W83627SF
PRELIMINARY
Publication Release Date: Nov. 2000
Revision 0.60
- 9 -
1.2 FDC Interface, continued
SYMBOL
WP#
PIN
I/O
FUNCTION
14
IN
cs
Write protected. This active low Schmitt input from the disk drive
indicates that the diskette is write-protected. This input pin is
pulled up internally by a 1 K
resistor. The resistor can be
disabled by bit 7 of L0-CRF0 (FIPURDWN).
RDATA#
15
IN
cs
The read data input signal from the FDD. This input pin is pulled
up internally by a 1 K
resistor. The resistor can be disabled by
bit 7 of L0-CRF0 (FIPURDWN).
Head select. This open drain 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 is pulled up
internally by a 1 K resistor. The resistor can be disabled by bit
7 of L0-CRF0 (FIPURDWN).
HEAD#
16
OD
24
DSKCHG#
17
IN
cs
1.3
Multi-Mode Parallel Port
SYMBOL
SLCT
PIN
31
I/O
IN
t
FUNCTION
PRINTER MODE:
An active high input on this pin indicates that the printer is
selected. Refer to the description of the parallel port for definition
of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WE2#
This pin is for Extension FDD B; its function is the same as the
WE# pin of FDC.
EXTENSION 2FDD MODE: WE2#
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. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WD2#
This pin is for Extension FDD B; its function is the same as the
WD# pin of FDC.
EXTENSION 2FDD MODE: WD2#
This pin is for Extension FDD A and B; its function is the same as
the WD# pin of FDC.
OD
12
OD
12
PE
32
IN
t
OD
12
OD
12
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