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參數(shù)資料
| 型號(hào)： | W6690 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | ISDN S/T Interface Controller(ISDN S/T接口控制器) |
| 中文描述： | 綜合業(yè)務(wù)數(shù)字網(wǎng)的S / T接口控制器（綜合業(yè)務(wù)數(shù)字網(wǎng)S / T的接口控制器） |
| 文件頁(yè)數(shù)： | 60/76頁(yè) |
| 文件大小： | 471K |
| 代理商： | W6690 |
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Preliminary W6690
- 60 -
Table 8.12 Register summary: PNP control and configuration registers, continued
INDEX R/W
NAME
7
6
5
4
3
2
1
0
30
R/W ACT
0
0
0
0
0
0
0
ACT
31
R/W IO_CHK
0
0
0
0
0
0
ENA
TYPE
60
R/W IO_H
IA15
IA14
IA13
IA12
IA11
IA10
IA9
IA8
61
R/W IO_L
IA7
IA6
IA5
IA4
IA3
IA2
IA1
IA0
70
R/W IRQ_N
X
X
X
X
IRN3
IRN2
IRN1
IRN0
71
R/W IRQ_T
X
X
X
X
X
X
HIGH
LEV
8.4.1 PNP Address Index Register
PNP_ADR
Write
Address 0279H
Value after reset: Undefined
7
6
5
4
3
2
1
0
Bit 7
0 Address Index
This register contains the address index for the desired PNP registers. The PNP registers are
accessed by first writing the address into this register, followed by a number of write and/ or read
operations. This register is also the write destination of initiation key.
This register is fixed at ISA port 0279H.
8.4.2 PNP Write Data Register PNP_WR
Write
Address 0A79H
Value after reset: Undefined
7
6
5
4
3
2
1
0
Bit 7
0 Write Data
This register contains the write data for the register specified by the PNP_ADR register.
This register is fixed at ISP port 0A79H.
8.4.3 PNP Read Data Register PNP_RD
Read
Address 0203H-03FFH
Value after reset: Undefined
7
6
5
4
3
2
1
0
Bit 7
0 Read Data
This register contains the read data from the register specified by the PNP_ADR register.
The location of this register is relocatable at 0203H
03FFH, which is set by the SET_RD register.
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