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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): 129/171頁
文件大小: 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 127 -
GDA0OPI (bit 1): See below.
GDA1IPI (bit 0): See below.
GDA1OPI
0
0
GDA1IPI
0
1
GIOP1 functions as a data pin, and GIOP1
SD1, SD1
GIOP1
GIOP1 functions as a data pin, and inverse GIOP1
SD1,
SD1
GIOP1
GIOP1 functions as a data pin, and GIOP1
SD1, inverse
SD1
GIOP1
GIOP1 functions as a data pin, and inverse GIOP1
SD1, inverse
SD1
GIOP1
1
0
1
1
8.2.22 Configuration Register 16 (CR16), default = 0EH
When the device is in Extended Function mode and EFIR is 16H, the CR16 register can be accessed
through EFDR. The bit definitions are as follows:
1
2
3
4
5
6
7
0
HEFRAS
IRIDE
PNPCVS
GMDRQ
GOIQSEL
Reserved
Reserved
Reserved
Bit 7-bit 4: Reserved.
G1QASEL (bit 5):
0
1
pin 96 function as IRQ_A.
pin 96 function as GIO1.
The corresponding power-on setting pin is nRTSB (pin 45).
G0QBSEL (bit 4):
0
1
pins 92 function as IRQ_B.
pins 92 function as GIO0.
The corresponding power-on setting pin is nRTSB (pin 45).
GMDRQ (bit 3):
0
1
pins 39, 41 function as DRQ_A, nDACK_A, respectively.
pins 39, 41 function as nGMWR, nGMRD, respectively.
The corresponding power-on setting pin is SOUTB (pin 43).
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