參數(shù)資料
型號: 28233-11
廠商: CONEXANT SYSTEMS
元件分類: 數(shù)字傳輸電路
英文描述: ATM Transmitter/Receiver with UTOPIA Interface
中文描述: TRANSCEIVER, PQFP160
封裝: PLASTIC, MQFP-160
文件頁數(shù): 143/161頁
文件大?。?/td> 1832K
代理商: 28233-11
Transmit Overhead Clock Pulse Width High
CN8223
4.0 Electrical and Mechanical Specifications
ATM Transmitter/Receiver with UTOPIA Interface
4.3 Timing
100046C
Conexant
4-9
Figure 4-4. Parallel Interface Timing
TXCKI
TXOD
TXDAT[7:0]
13
12
11
10
2
3
6
5
1
TXDELO
RXCKI
RXDAT[7:0]
RXOD
4
7
8
9
15
16
14
8
Table 4-6. Overhead Port Interface Timing
Name
Interval
Description
Min
Max
tptx,tprx
Transmit or Receive Clock Input Period
6.4
ttckh
2
4
4
×
tptx
ttmtck
1
2
Transmit Marker Valid before Transmit Clock High
3
×
tptx
tdtck
3
4
Transmit Overhead Data Setup before Clock Falling Edge
6.0
ttckd
4
5
Transmit Overhead Data Hold after Clock Falling Edge
6.0
trck1h
8
9
Receive Overhead Clock1 Pulse Width High
4
×
tprx
tm1rck1
6
8
Marker1 Valid before Clock1 Rising Edge
3
×
tprx
tdrck1
7
8
Receive Overhead Data Valid before Clock1 Rising Edge
3
×
tprx
trck1d
8
10
Receive Overhead Data Valid after Clock1 Rising Edge
2
×
tprx
trck0h
13
14
Receive Overhead Clock0 Pulse Width High
4
×
tprx
tm0rck0
12
13
Marker0 Valid before Clock0 Rising Edge
3
×
tprx
tdrck0
11
13
Receive Overhead Data Valid before Clock0 Rising Edge
3
×
tprx
trck0d
13
15
Receive Overhead Data Valid after Clock0 Rising Edge
2.4
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