TABLE
參數(shù)資料
型號(hào)： XRT83L314IB-L
廠商： Exar Corporation
文件頁數(shù)： 57/84頁
文件大小： 0K
描述： IC LIU T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝： 27
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)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
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
56
TABLE 28: MICROPROCESSOR REGISTER 0X03H BIT DESCRIPTION
CHANNEL 0-13 (0X03H-0XD3H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
D6
NLCDE1
NLCDE0
Network Loop Code Detection Enable
NLCDE[1:0] are used to select the loop code detection.
00 = Disabled
01 = Detect Loop Up Code
10 = Detect Loop Down Code
11 = Automatic Loop Code Detection
R/W
0
D5
CODES
Encoding/Decoding Select (Single Rail Mode Only)
0 = HDB3 (E1), B8ZS (T1)
1 = AMI Coding
R/W
0
D4
D3
RxRES1
RxRES0
Receive External Fixed Resistor
RxRES[1:0] are used to select the value for a high precision exter-
nal resistor to improve return loss.
00 = None
01 = 240
10 = 210
11 = 150
R/W
0
D2
INSBPV
Insert Bipolar Violation
When this bit transitions from a "0" to a "1", a bipolar violation will
be inserted in the transmitted QRSS/PRBS pattern. The state of
this bit will be sampled on the rising edge of TCLK. To ensure
proper operation, it is recommended to write a "0" to this bit before
writing a "1".
R/W
0
D1
INSBER
Insert Bit Error
When this bit transitions from a "0" to a "1", a bit error will be
inserted in the transmitted QRSS/PRBS pattern. The state of this
bit will be sampled on the rising edge of TCLK. To ensure proper
operation, it is recommended to write a "0" to this bit before writing
a "1".
R/W
0
D0
Reserved
This Register Bit is Not Used.
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