參數(shù)資料
型號: XRT72L74
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 91/104頁
文件大?。?/td> 1301K
代理商: XRT72L74
á
XRT72L74
FOUR CHANNEL, DS3 ATM UNI/CLEAR-CHANNEL FRAMER
PRELIMINARY
REV. P1.0.0
91
T
ABLE
102:
T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-2
R
EGISTER
101 T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-2 H
EX
A
DDRESS
: 0
X
65
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7-0
Tx Idle Cell Pattern 2
R/W
0x00
Contains pattern for the second header byte of each “outbound” idle cell.
Register is set to 0x00 when transmitting standard idle cell pattern.
N
OTE
:
This bit-field is only active if the XRT72L74 is configured to operate
in the “ATM UNI” Mode.
T
ABLE
103:
T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-3
R
EGISTER
102 T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-3 H
EX
A
DDRESS
: 0
X
66
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7-0
Tx Idle Cell Pattern 3
R/W
0x00
Contains pattern for the third header byte of each “outbound” idle cell.
Register is set to 0x00 when transmitting standard idle cell pattern.
N
OTE
:
This bit-field is only active if the XRT72L74 is configured to operate
in the “ATM UNI” Mode.
T
ABLE
104:
T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-4
R
EGISTER
103 T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-4 H
EX
A
DDRESS
: 0
X
67
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7-0
Tx Idle Cell Pattern 4
R/W
0x01
Contains pattern for the fourth header byte of each “outbound” idle cell.
Register is set to 0x01 when transmitting standard idle cell pattern.
N
OTE
:
This bit-field is only active if the XRT72L74 is configured to operate
in the “ATM UNI” Mode.
T
ABLE
105:
T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-5
R
EGISTER
104 T
X
CP I
DLE
C
ELL
P
ATTERN
H
EADER
B
YTE
-5 H
EX
A
DDRESS
: 0
X
68
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7-0
Tx Idle Cell Pattern 5
R/W
0x52
Contains pattern for the fifth header byte of each “outbound” idle cell.
Register is set to 0x00 when transmitting standard idle cell pattern.
N
OTE
:
This bit-field is only active if the XRT72L74 is configured to operate
in the “ATM UNI” Mode.
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