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參數(shù)資料
型號(hào): W83877TF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設(shè)及接口
英文描述: Multi-Function I/O Port Controller(用于個(gè)人計(jì)算機(jī)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(shù): 22/154頁
文件大?。?/td> 821K
代理商: W83877TF
W83877TF
Publication Release Date: March 1998
- 12 -
Version 0.61
1.3 Multi-Mode Parallel Port, continued
SYMBOL
PIN
I/O
FUNCTION
PD1
10
I/O
24t
PRINTER MODE: PD1
Parallel port data bus bit 1. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
IN
t
EXTENSION FDD MODE: TRAK02
This pin is for Extension FDD B; the function of this pin is the
same as that of the TRAK0 pin. This pin is pulled high internally.
IN
t
EXTENSION. 2FDD MODE: TRAK02
This pin is for Extension FDD A and B; this function of this pin is
the same as TRAK0 pin. This pin is pulled high internally.
PD2
11
I/O
24t
PRINTER MODE: PD2
Parallel port data bus bit 2. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
IN
t
EXTENSION FDD MODE: WP2
This pin is for Extension FDD B; the function of this pin is the
same as that of the
WP
pin. This pin is pulled high internally.
IN
t
EXTENSION. 2FDD MODE: WP2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the
WP
pin. This pin is pulled high internally.
PD3
12
I/O
24t
PRINTER MODE: PD3
Parallel port data bus bit 3. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
IN
t
EXTENSION FDD MODE: RDATA2
Motor on B for Extension FDD B; the function of this pin is the
same as that of the RDATA pin. This pin is pulled high internally.
IN
t
EXTENSION 2FDD MODE: RDATA2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the RDATA pin. This pin is pulled high
internally.
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