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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: 170/171頁
文件大小: 1634K
代理商: W83877AF
877A APN 2
Page 3 of 4
Bit 3-2: PIN3FUN
PIN3FUN(CR2B.3)
0
0
1
1
PIN3FUN(CR2B.2)
0
1
0
1
Pin 3
PDCIN
nDACK_D
IRSL1
IRRXH/IRSL0
Bit 1-0: PIN93FUN
PIN93FUN(CR2B.1)
0
0
1
1
PIN93FUN(CR2B.0)
0
1
0
1
Pin 93
IRQIN
DRQ_D
IRSL2
IRRXH/IRSL0
CR2C(Default 10H)
Bit 7-5 : PIN91FUN
PIN91FUN
(CR2C.7)
0
0
0
0
1
PIN91FUN
(CR2C.6)
0
0
1
1
0
PIN91FUN
(CR2C.5)
0
1
0
1
0
Pin 91
IRQ_H
nIDBEN
IRSL2
IRRXH/IRSL0
DACK_D
Note: The IRSL0/IRRXH selection is determined by Bit 5(IRSL0 Mode selection) of Register7 of Bank7. When setting
Bit 5 to logical 1, IRSL0 is selected; When setting Bit 5 to logical 0, IRRXH is selected.
Bit 4 :APEDCRC
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 48MHz
Bit 1:Reserved
= 0 No append hardware CRC value as data in FIR/MIR mode
= 1 Append hardware CRC value as data in FIR/MIR mode
CR2D(Default 00H)
This register controls the data rate selection for FDC. It also controls if precompensation is enabled.
DRTA1, DRTA0 (bit 1 - bit 0):
These two bits combining with data rate selection bits in Date 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
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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