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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: 14/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 12 -
1.4 Multi-Mode Parallel Port, continued
SYMBOL
PIN
I/O
FUNCTION
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.
OUT
12t
EXTENSION ADAPTER MODE: XDACK
This pin is the DMA acknowledge output for the Extension
Adapter; the output is sent directly from PDACKX.
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.
JOYSTICK MODE: V
DD
for joystick.
OUT
12t
AFD
20
OD
12
PRINTER MODE: AFD
An active low output from this pin causes the printer to auto feed
a line after a line is printed. 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: RWC2
This pin is for Extension FDD B; its function is the same as that
of the RWC pin.
OUT
12t
EXTENSION ADAPTER MODE: XRD
This pin is the I/O read 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.
OD
12
EXTENSION 2FDD MODE: RWC2
This pin is for Extension FDD A and B; its function is the same
as that of the RWC pin.
JOYSTICK MODE: V
DD
for joystick.
OUT
12t
相關PDF資料
PDF描述
W83877ATD enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF enhanced version from Winbonds most popular I/O chip W83877F
W83877 WINBOND I/O
W83877F WINBOND I/O
W83877TD I/O chip disk drive adapter
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