TABLE
參數(shù)資料
型號(hào): XRT75R12DIB-L
廠商: Exar Corporation
文件頁(yè)數(shù): 95/133頁(yè)
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 12CH 420TBGA
標(biāo)準(zhǔn)包裝: 40
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 12/12
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 420-LBGA 裸露焊盤
供應(yīng)商設(shè)備封裝: 420-TBGA(35x35)
包裝: 托盤
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XRT75R12D
60
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.3
TABLE 20: APS/REDUNDANCY RECIEVE CONTROL REGISTER - CR8 (ADDRESS LOCATION = 0X08)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
RxON Ch 5
RxON Ch 4
RxON Ch 3
RxON Ch 2
RxON Ch 1
RxON Ch 0
R/W
BIT
NUMBER
NAME
TYPE
DESCRIPTION
7,6
Reserved
5
4
3
2
1
0
RxON Ch 5
RxON Ch 4
RxON Ch 3
RxON Ch 2
RxON Ch 1
RxON Ch 0
R/W
Receive Section ON - Channel n
This READ/WRITE bit-field is used to turn on or turn off the Receiver associated with
Channel n on a per channel basis. If the user turns on the Receiver, then Channel n
will Receive DS3, E3 or STS-1 pulses on the line via the RTIP_n and RRING_ n input
pins.
Conversely, if the user turns off the Receiver Driver (for channel n), the RTIP_n and
RRING_n input pins will be in a high impedance state.
0 - Shuts off the Receive Driver associated with Channel n and puts the RTIP_n and
RRING_ n input pins in a high impedance state.
1 - Turns on the Receive Driver associated with Channel n.
TABLE 21: APS/REDUNDANCY TRANSMIT CONTROL REGISTER - CR128 (ADDRESS LOCATION = 0X80)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
TxON Ch 11
TxON Ch 10
TxON Ch 9
TxON Ch 8
TxON Ch 7
TxON Ch 6
R/W
BIT
NUMBER
NAME
TYPE
DESCRIPTION
7,6
Reserved
5
4
3
2
1
0
TxON Ch 11
TxON Ch 10
TxON Ch 9
TxON Ch 8
TxON Ch 7
TxON Ch 6
R/W
Transmit Section ON - Channel n
This READ/WRITE bit-field is used to turn on or turn off the Transmit Driver associated
with Channel n. If the user turns on the Transmit Driver, then Channel n will transmit
DS3, E3 or STS-1 pulses on the line via the TTIP_n and TRING_ n output pins.
Conversely, if the user turns off the Transmit Driver, then the TTIP_n and TRING_n
output pins will be tri-stated.
0 - Shuts off the Transmit Driver associated with Channel n and tri-states the TTIP_n
and TRING_ n output pins.
1 - Turns on the Transmit Driver associated with Channel n.
NOTE: The master TxON control pin(pin # P4) must be in a high state (logic 1) for this
operation to turn on any channel.
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