QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR REV. 1.0.1 82 D2 " />
參數(shù)資料
型號: XRT83L34IV
廠商: Exar Corporation
文件頁數(shù): 84/99頁
文件大小: 0K
描述: IC LIU T1/E1/J1 QUAD 128TQFP
標準包裝: 72
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 4/4
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-TQFP(14x20)
包裝: 托盤
xr
XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR REV. 1.0.1
82
D2
RXMUTE
Receive Output Mute: Writing a “1” to this bit, mutes receive
outputs at RPOS/RDATA and RNEG/LCV pins to a “0” state for
any channel that detects an RLOS condition.
NOTE: RCLK is not muted.
R/W
0
D1
EXLOS
Extended LOS: Writing a “1” to this bit extends the number of
zeros at the receive input of each channel before RLOS is
declared to 4096 bits. Writing a “0” reverts to the normal mode
(175+75 bits for T1 and 32 bits for E1).
R/W
0
D0
ICT
In-Circuit-Testing: Writing a “1” to this bit configures all the
output pins of the chip in high impedance mode for In-Circuit-
Testing. Setting the ICT bit to “1” is equivalent to connecting
the Hardware ICT pin 88 to ground.
R/W
0
TABLE 38: MICROPROCESSOR REGISTER #66, BIT DESCRIPTION
REGISTER ADDRESS
1000010
NAME
FUNCTION
REGISTER
TYPE
RESET
VALUE
BIT #
D7
GAUGE1
Wire Gauge Selector Bit 1:
This bit together with bit D6 are used to select wire gauge size
as shown in the table below.
R/W
0
D6
GAUGE0
Wire Gauge Selector Bit 0:
See bit D7.
R/W
0
D5
TXONCNTL
Transmit On Control:
In Host mode, setting this bit to “1” transfers the control of the
Transmit On/Off function to the TXON_n Hardware control
pins.
NOTE: This provides a faster On/Off capability for redundancy
application.
R/W
0
D4
TERCNTL
Termination Control.
In Host mode, setting this bit to “1” transfers the control of the
RXTSEL to the RXTSEL Hardware control pin.
NOTE: This provides a faster On/Off capability for redundancy
application.
R/W
0
TABLE 37: MICROPROCESSOR REGISTER #65, BIT DESCRIPTION
GAUGE1
0
1
0
GAUGE0
0
1
0
1
Wire Size
22 and 24 Gauge
26 Gauge
24 Gauge
22 Gauge
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