參數(shù)資料
型號: PSF21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 140/164頁
文件大?。?/td> 1401K
代理商: PSF21911
PSB 21911
PSF 21911
Electrical Characteristics
Semiconductor Group
140
11.97
5.4.2
Serial Microprocessor Interface Timing
The following 2 figures describe the read/write cycles and the corresponding address
timing for the serial microprocessor interface:
Figure 58 Serial μP Interface Mode Write
Figure 59 Serial μP Interface Mode Read
1 A3 A2 A1 A0 X
D7
X X
D6 D5D4 D3 D2D1D0
CSs
t
P
t
CDINs
t
CS
CCLK
CDIN
CDOUT
HIGH ‘Z‘
CDINh
t
CSh
t
0 A3 A2 A1 A0 X
D7
X X
D6 D5 D4 D3 D2 D1D0
CDIN
CDOUT
HIGH ‘Z‘
CDOUTd
t
CSs
t
P
t
CS
CCLK
CSh
t
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