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參數(shù)資料
型號: 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)務數(shù)字網(wǎng)的S / T接口控制器(綜合業(yè)務數(shù)字網(wǎng)S / T的接口控制器)
文件頁數(shù): 68/76頁
文件大?。?/td> 471K
代理商: W6690
Preliminary W6690
- 68 -
9.4 Switching Characteristics
PNP ISA mode bus timing
Notes:
1. When doing plug and play operation, A[11:0] are used, otherwise A[15:0] are used.
2. When doing plug and play operation, NOWS* is not asserted. In other cases, NOWS* is asserted which causes a 3 clock
cycle I/O access.
ISA mode bus timing
t1
AEN*
t2
t12
t3
t4
t5
t6
t7
t8
t9
t11
t10
A<1:0>
IORC*
IOWC
NOWS*
D<7:0>
(read)
D<7:0>
(write)
CSIN*
t15
t16
t4
t1
AEN*
t2
t12
t3
t5
t6
t7
t8
t9
t10
t11
A<15:0>
1)
IORC*
IOWC*
NOWS*
2)
D<7:0>
(read)
D<7:0>
(write)
t13
t14
CSO*
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