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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: 115/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 113 -
01
RWC
= 0, selects 1.2 MB high-density FDD.
10
RWC = 1, selects 1.44 MB high-density FDD.
11
Don't care RWC
,
selects 720 KB double-density FDD.
FDD B type 1, 0 (Bit 3, 2):
These two bits select the type of FDD B.
00
Selects normal mode. When
RWC = 0, the data transfer rate is 250 Kb/s. When
RWC= 1, the data transfer rate is 500 Kb/s.
Three mode FDD select (EN3MODE = 1):
01
RWC = 0, selects 1.2 MB high-density FDD.
10
RWC = 1, selects 1.44 MB high-density FDD.
11
Don't care
RWC, selects 720 KB double-density FDD.
FDD C type 1, 0 (Bit 5, 4):
These two bits select the type of FDD C.
00
Selects normal mode. When RWC = 0, the data transfer rate is 250 Kb/s. When
RWC = 1, he data transfer rate is 500 Kb/s.
Three mode FDD select (EN 3 MODE = 1):
01
RWC = 0, selects 1.2 MB high-density FDD.
10
RWC = 1, selects 1.44 MB high-density FDD.
11
Don't care RWC, selects 720 KB double-density FDD.
FDD D type 1, 0 (Bit 7, 6):
These two bits select the type of FDD D.
00
Selects normal mode. When RWC = 0, the data transfer rate is 250 Kb/s. When
RWC = 1, the data transfer rate is 500 Kb/s.
Three mode FDD select (EN3MODE = 1):
01
RWC = 0, selects 1.2 MB high-density FDD.
10
RWC = 1, selects 1.44 MB high-density FDD.
11
Don't care RWC, selects 720 KB double-density FDD.
8.2.9 Configuration Register 8 (CR8), default = 00H
When the device is in Extended Function mode and EFIR is 08H, the CR8 register can be accessed
through EFDR. The bit definitions are as follows:
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