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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: 128/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 126 -
GIOP1MD2
0
0
GIOP1MD1
0
0
GIOP1MD0
0
1
GIOP1 pin
inactive (tri-state)
as a data output pin (SD1
GIOP1), when (AEN = L)
AND (nIOW = L) AND (SA10-0 = GIO1AD10-0), the
value of SD1 will be present on GIOP1
as a data input pin (GIOP1
SD1), when (AEN = L)
AND (nIOR = L) AND (SA10-0 = GIO1AD10-0), the
value of GIOP1 will be present on SD1
as a data input/output pin (GIOP1
SD1).
When (AEN = L) AND (nIOW = L) AND (SA10-0 =
GIO1AD10-0), the value of SD1 will be present on
GIOP1 When (AEN = L) AND (nIOR = L) AND (SA10-0
= GIO1AD10-0), the value of GIOP1 will be present on
SD1
as a Chip Select pin, the pin will be active at (AEN =
L) AND (SA10-0 = GIO1AD10-0) OR (nIOR = L) OR
(nIOW = L)
0
1
0
0
1
1
1
X
X
GIO1CSH (bit 4):
0
the Chip Select pin will active LOW when (AEN = L) AND (SA10-0 = GIOAD10-0)
OR (nIOR = L) OR (nIOW = L)
the Chip Select pin will active HIGH when (AEN = L) AND (SA10-0 = GIOAD10-0)
OR (nIOR = L) OR (nIOW = L)
1
GCS1IOR (bit 3): See below.
GCS1IOW (bit 2): See below.
GCS1IOR
0
GCS1IOW
0
GIOP1 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO1AD10-0)
GIOP1 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO1AD10-0) AND (nIOW = L)
GIOP1 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO1AD10-0) AND (nIOR = L)
GIOP1 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO1AD10-0) AND (nIOW = L OR
nIOR = L)
0
1
1
0
1
1
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相關代理商/技術參數
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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
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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