參數(shù)資料
型號: IDT82V2041EPP
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 39/75頁
文件大小: 0K
描述: IC LIU T1/J1/E1 1CH 44-TQFP
標準包裝: 80
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.13 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 44-LQFP
供應商設備封裝: 44-TQFP(10x10)
包裝: 托盤
其它名稱: 82V2041EPP
IDT82V2041E
SINGLE CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
Programming Information
44
December 9, 2005
4.3.4
NETWORK DIAGNOSTICS CONTROL REGISTERS
Table-33 MAINT0: Maintenance Function Control Register 0
(R/W, Address = 0DH)
Symbol
Bit
Default
Description
-
7
00
Reserved.
PATT[1:0]
6-5
00
These bits select the internal pattern and insert it into transmit data stream.
= 00: Normal operation (PATT_CLK = 0) / insert all zeros (PATT_CLK = 1)
= 01: Insert All Ones
= 10: Insert PRBS (E1: 215-1) or QRSS (T1/J1: 220-1)
= 11: Insert programmable Inband loopback activate or deactivate code (default value 00001)
PATT_CLK
4
0
Selects reference clock for transmitting internal pattern
= 0: Uses TCLK as the reference clock
= 1: Uses MCLK as the reference clock
PRBS_INV
3
0
Inverts PRBS
= 0: The PRBS data is not inverted
= 1: The PRBS data is inverted before transmission and detection
LAC
2
0
LOS/AIS criterion is selected as below:
= 0: G.775 (E1) / T1.231 (T1/J1)
= 1: ETSI 300233& I.431 (E1) / I.431 (T1/J1)
AISE
1
0
AIS enable during LOS
= 0: AIS insertion on RDP/RDN/RCLK is disabled during LOS
= 1: AIS insertion on RDP/RDN/RCLK is enabled during LOS
ATAO
0
Automatically Transmit All Ones (enabled only when PATT[1:0] = 00)
= 0: Disabled
= 1: Automatically Transmit All Ones pattern at TTIP/TRING during LOS
Table-34 MAINT1: Maintenance Function Control Register 1
(R/W, Address= 0EH)
Symbol
Bit
Default
Description
-
7-4
0000
Reserved
ARLP
3
0
Automatic remote loopback enable
= 0: Disables automatic remote loopback (normal transmit and receive operation)
= 1: Enables automatic remote loopback
RLP
2
0
Remote loopback enable
= 0: Disables remote loopback (normal transmit and receive operation)
= 1: Enables remote loopback
ALP
1
0
Analog loopback enable
= 0: Disables analog loopback (normal transmit and receive operation)
= 1: Enables analog loopback
DLP
0
Digital loopback enable
= 0: Disables digital loopback (normal transmit and receive operation)
= 1: Enables digital loopback
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