參數(shù)資料
型號(hào): W83697UF
英文描述: W83697F plus 2 Extra UART (total 4 UART)
中文描述: W83697F加2額外的UART(共4 UART)的
文件頁(yè)數(shù): 16/78頁(yè)
文件大?。?/td> 475K
代理商: W83697UF
W83697UF
Publication Release Date: Dec.2002
- 12 - Revision 1.0
1.3 Multi-Mode Parallel Port, continued
SYMBOL
STB#
PIN
46
I/O
OD
12
FUNCTION
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.
EXTENSION 2FDD MODE: This pin is a tri-state output.
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.
EXTENSION FDD MODE: INDEX2#
This pin is for Extension FDD B; its function is the same as the
INDEX# pin of FDC. It is pulled high internally.
EXTENSION 2FDD MODE: INDEX2#
This pin is for Extension FDD A and B; its function is the same as
the INDEX# pin of FDC. It is pulled high internally.
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.
EXTENSION FDD MODE: TRAK02#
This pin is for Extension FDD B; its function is the same as the
TRAK0# pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE: TRAK02#
This pin is for Extension FDD A and B; its function is the same as
the TRAK0# pin of FDC. It is pulled high internally.
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.
EXTENSION FDD MODE: WP2#
This pin is for Extension FDD B; its function is the same as the
WP# pin of FDC. It is pulled high internally.
EXTENSION. 2FDD MODE: WP2#
This pin is for Extension FDD A and B; its function is the same as
the WP# pin of FDC. It is pulled high internally.
PD0
-
-
42
I/O
12ts
INDEX2#
IN
ts
PD1
TRAK02#
41
I/O
12ts
IN
ts
PD2
WP2#
40
I/O
12ts
IN
ts
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