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參數資料
型號: W83877TF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 19/154頁
文件大小: 821K
代理商: W83877TF
W83877TF
Publication Release Date: March 1998
- 9 -
Version 0.61
1.3 Multi-Mode Parallel Port, continued
SYMBOL
PIN
I/O
FUNCTION
ACK
26
IN
t
PRINTER MODE: ACK
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.
OD
12
EXTENSION FDD MODE:
DSB2
This pin is for the Extension FDD B; its functions are the same
as those of the DSB pin.
OD
12
EXTENSION 2FDD MODE: DSB2
This pin is for Extension FDD A and B; the function of this pin is
the same as that of the DSB pin.
PE
27
IN
t
PRINTER MODE: PE
An active high input on this pin indicates that the printer has
detected the end of the paper. 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: WD2
This pin is for Extension FDD B; its function is the same as that
of the WD pin.
OD
12
EXTENSION 2FDD MODE: WD2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the WD pin.
SLCT
28
IN
t
PRINTER MODE: SLCT
An active high input on this pin indicates that the printer is
selected. 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: WE2
This pin is for Extension FDD B; its functions are the same as
those of the
WE
pin.
OD
12
OD
12
EXTENSION 2FDD MODE: WE2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the WE pin.
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相關代理商/技術參數
參數描述
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