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參數資料
型號: W83877TF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 124/154頁
文件大小: 821K
代理商: W83877TF
W83877TF
Publication Release Date: March 1998
- 98 -
Version 0.61
8.2.32 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.
8.2.33 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.
8.2.34 Configuration Register 2C (CR2C), default=00H
When the device is in Extended Function mode and EFIR is 2CH, the CR2C register can be accessed
through EFDR. The bit definitions are as follows:
1
2
3
4
5
6
7
0
reserved
reserved
CLKINSEL
reserved
reserved
reserved
reserved
reserved
Bit 7 - bit 3 : Reserved.
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