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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: 140/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 138 -
Bit 4 :APEDCRC - Append CRC to receiver when a frame is end.
= 0 No append hardware CRC value as data in FIR/MIR mode
= 1 Append hardware CRC value as data in FIR/MIR mode
Bit 3 :ENBNKSEL - Bank select enable
= 0 Disable UART B bank selection
= 1 Enable UART B bank selection
Bit 2 :CLKINSEL - Clock input selection
= 0 The clock on pin XTAL1/XTAL2 is 24 MHz
= 1 The clock on pin XTAL1/XTAL2 is 48 MHz
Bit 1:EMULFUN - Emulate internal defined function
= 0 Disable emulation mode
= 1 Enable emulation mode
Bit 0: Reserved.
8.2.37 Configuration Registers (CR2D)
When the device is in Extended Function mode and EFIR is 2D
16
, the CR2D register can be accessed
through EFDR. This register default value is 00
16
. The bit definitions are as follows:
1
2
3
4
5
6
7
0
DRTA0
DRTA1
DIS_PRECOMP0
DRTB0
DRTB1
DIS_PRECOMP1
Reserved
Reserved
This register controls the data rate selection for FDC. It also controls if pre-compensation is enabled.
DRTA1, DRTA0 (bit 1 - bit 0):
These two bits combining with data rate selection bits in Data Rate Register select the operational
data rate for FDD A as follows:
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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