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參數資料
型號: W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(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: 15/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 13 -
1.4 Multi-Mode Parallel Port, continued
SYMBOL
PIN
I/O
FUNCTION
STB
19
OD
12
PRINTER MODE:
STB
An active low output is used to latch the parallel data into the
printer. 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: This pin is a tri-state output.
-
OUT
12t
EXTENSION ADAPTER MODE: XWR
This pin is the I/O write command for the Extension Adapter.
When the Extension Adapter base address is written to the
Extension Adapter address register, XRD and XWR go low
simultaneously so that the command register on the Extension
Adapter can latch the same base address.
EXTENSION 2FDD MODE: This pin is a tri-state output.
JOYSTICK MODE: V
DD
for joystick.
-
OUT
12t
I/O
24t
PD0
9
PRINTER MODE: PD0
Parallel port data bus bit 0. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
IN
t
EXTENSION FDD MODE: INDEX2
This pin is for Extension FDD B; the function of this pin is the
same as that of the INDEX pin. This pin is pulled high internally.
EXTENSION ADAPTER MODE: XD0
This pin is system data bus D0 for the Extension Adapter.
I/O
24t
IN
t
EXTENSION 2FDD MODE: INDEX2
This pin is for Extension FDD A and B; this function of this pin is
the same as INDEX pin. This pin is pulled high internally.
JOYSTICK MODE: JP0
This pin is the paddle 0 input for joystick.
I/O
24t
相關PDF資料
PDF描述
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相關代理商/技術參數
參數描述
W83877ATD 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877F 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TD 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O