參數(shù)資料
型號: XRT71D04IV
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
中文描述: DATACOM, PCM JITTER ATTENUATOR, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-80
文件頁數(shù): 20/22頁
文件大?。?/td> 254K
代理商: XRT71D04IV
XRT71D03
3 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
REV. 1.1.1
á
18
N
OTES
:
1. A5 is always “0”.
2. R/W = “1” for Read Operations
3. R/W = “0” for Write Operations
4. Denotes a “don’t care” value (shaded areas)
3.1.7
The user can simplify the design of the circuitry con-
necting to the Microprocessor Serial Interface by ty-
ing both the SDO and SDI pins together, and reading
data from and/or writing data to this combined signal.
This simplification is possible because only one of
these signals are active at any given time. The inac-
tive signal will be tri-stated.
Simplified Interface Option
F
IGURE
9. M
ICROPROCESSOR
S
ERIAL
I
NTERFACE
D
ATA
S
TRUCTURE
D0
D1
D2
D7
D6
D5
D4
D3
High Z
SDO
A0
D0
R/W
D1
A6
0
A4
A3
A2
A1
D7
D6
D5
D4
D3
D2
SDI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SClk
CS
High Z
F
IGURE
10. T
IMING
D
IAGRAM
FOR
THE
M
ICROPROCESSOR
S
ERIAL
I
NTERFACE
SDI
R/W
A1
A0
CS
SClk
CS
SClk
SDI
SDO
D0
D1
D2
D7
t22
t21
t23
t24
t25
t26
t27
t28
t29
t30
t31
t32
t33
Hi-Z
Hi-Z
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