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參數(shù)資料
型號(hào): W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設(shè)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(shù): 139/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 137 -
Bit 3-2: PIN3FUN1~0 - Pin 3 function select.
PIN3FUN1
PIN3FUN0
Pin 3
0
0
PDCIN
0
1
nDACK_D
1
0
IRSL1
1
1
IRRXH/IRSL0
Bit 1-0: PIN93FUN1~0 - Pin 93 function select.
PIN93FUN1
PIN93FUN0
Pin 93
0
0
IRQIN
0
1
DRQ_D
1
0
IRSL2
1
1
IRRXH/IRSL0
8.2.37 Configuration Registers (CR2C)
When the device is in Extended Function mode and EFIR is 2CH, the CR2C register can be accessed
through EFDR. This register default value is 10
16
. The bit definitions are as follows:
1
2
3
4
5
6
7
0
Reserved
EMULFUN
CLKINSEL
ENBNKSEL
APEDCRC
PIN91FUN0
PIN91FUN1
PIN91FUN2
Bit 7-5 : PIN91FUN2~0 - Pin 91 function select.
PIN91FUN(CR2C.7)
PIN91FUN(CR2C.6)
PIN91FUN(CR2C.5)
Pin 91
0
0
0
IRQ_H
0
0
1
nDBENL
0
1
0
IRSL2
0
1
1
IRRXH/IRSL0
1
0
0
DACK_D
Note: The IRSL0/IRRXH selection is determined by Bit 5(IRSL0 Mode selection) of Register 7 of Bank 7. When setting Bit 5 to
logical 1, IRSL0 is selected; When setting Bit 5 to logical 0, IRRXH is selected.
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