參數(shù)資料
型號: XRT83SL314IB
廠商: Exar Corporation
文件頁數(shù): 52/83頁
文件大小: 0K
描述: IC LIU SH T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝: 27
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 14/14
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: 304-LBGA
供應(yīng)商設(shè)備封裝: 304-TBGA(31x31)
包裝: 托盤
XRT83SL314
xr
REV. 1.0.1
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
53
0x1Dh
E1 Short Haul/15dB
ITU G.703
120
TP
HDB3
0x1Eh
E1 Gain Mode/29dB
ITU G.703
75
Coax
HDB3
0x1Fh
E1 Gain Mode/29dB
ITU G.703
120
TP
HDB3
TABLE 26: MICROPROCESSOR REGISTER 0X01H BIT DESCRIPTION
CHANNEL 0-13 (0X01H-0XD1H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
RxTSEL
Receive Termination Select
Upon power up, the receiver is in "High" impedance. RxTSEL is
used to switch between the internal termination and "High" imped-
ance.
0 = "High" Impedance
1 = Internal Termination
R/W
0
D6
TxTSEL
Transmit Termination Select
Upon power up, the transmitter is in "High" impedance. TxTSEL is
used to switch between the internal termination and "High" imped-
ance.
0 = "High" Impedance
1 = Internal Termination
R/W
0
D5
D4
TERSEL1
TERSEL0
Receive Line Impedance Select
TERSEL[1:0] are used to select the line impedance for T1/J1/E1.
00 = 100
01 = 110
10 = 75
11 = 120
R/W
0
D3
RxJASEL
Receive Jitter Attenuator Select
RxJASEL is used to enable the receiver jitter attenuator.
By
default, RxJASEL is disabled.
0 = Disabled
1 = Enabled
R/W
0
D2
TxJASEL
Transmit Jitter Attenuator Select
TxJASEL is used to enable the transmitter jitter attenuator. By
default, TxJASEL is disabled.
0 = Disabled
1 = Enabled
R/W
0
TABLE 25: EQUALIZER CONTROL AND TRANSMIT LINE BUILD OUT
EQC[4:0]
T1/E1 MODE/RECEIVE SENSITIVITY
TRANSMIT LBO
CABLE
CODING
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