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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: 121/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 119 -
1
2
3
4
5
6
7
0
TX2INV
RX2INV
Reserved
URIRSEL
ENBKIRSL
HEFERE
TURB
TURA
TURA (bit 7):
0
1
the clock source of UART A is 1.8462 MHz (24 MHz divide 13) (default)
the clock source of UART A is 24 MHz, it can make the baud rate of UART A up to
1.5 MHz
TURB (bit 6):
0
1
the clock source of UART B is 1.8462 MHz (24 MHz divide 13) (default)
the clock source of UART B is 24 MHz, it can make the baud rate of UART A up to
1.5 MHz
HEFERE (bit 5): this bit combines with HEFRAS (CR16 bit 0) to define how to enable Extended
Function Registers.
HEFRAS
0
0
1
1
HEFERE
0
1
0
1
address and value
write 88H to the location 250H
write 89H to the location 250H (default)
write 86H to the location 3F0H twice
write 87H to the location 3F0H twice
The default value of HEFERE is 1.
Bit 4: ENBKIRSL - Enable Bank IR Function Select.
0
IR selection of configuration register is higher priority.
1
IR selection of bank of UART B is higher priority.
URIRSEL (bit 3):
0
select UART B as IR function.
1
select UART B as normal function.
The default value of URIRSEL is 1.
Bit 2: Reserved.
RX2INV (bit 1):
0
1
the SINB pin of UART B function or IRRX pin of IR function in normal condition.
inverse the SINB pin of UART B function or IRRX pin of IR function
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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