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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: 137/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 135 -
8.2.33 Configuration Register 28 (CR28)
When the device is in Extended Function mode and EFIR is 28, the CR28 register can be accessed
through EFDR. Default = 43H if CR6 bit 2 = 1; default = 00H if CR16 bit 2 = 0. The bit definitions are
as follows:
1
2
3
4
5
6
7
0
URBIQS0
URBIQS1
URBIQS2
URBIQS3
URAIQS0
URAIQS1
URAIQS2
URAIQS3
URAIQS3-URAIQS0 (bit 7-bit 4): Allocate interrupt resource for UART A.
URBIQS3-URBIQS0 (bit 3-bit 0): Allocate interrupt resource for UART B.
8.2.34 Configuration Register 29 (CR29)
When the device is in Extended Function mode and EFIR is 29, the CR29 register can be accessed
through EFDR. Default = 62H if CR6 bit 2 = 1; default = 00H if CR16 bit 2 = 0. The bit definitions are
as follows:
1
2
3
4
5
6
7
0
IQNIQS0
IQNIQS1
IQNIQS2
IQNIQS3
FDCIQS0
FDCIQS1
FDCIQS2
FDCIQS3
FDCIQS3-FDCIQS0 (bit 7-bit 4): Allocate interrupt resource for FDC.
IQNIQS3-IQNIQS0 (bit 3-bit 0): Allocate interrupt resource for IRQIN.
8.2.35 Configuration Registers (CR2A)
When the device is in Extended Function mode and EFIR is 2AH, the CR2A 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
IRRXDRQSL0
IRRXDRQSL1
IRRXDRQSL2
IRRXDRQSL3
IRTXDRQSL0
IRTXDRQSL1
IRTXDRQSL2
IRTXDRQSL3
相關PDF資料
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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