參數(shù)資料
型號(hào): XRT83VSH28IB-F
廠商: Exar Corporation
文件頁(yè)數(shù): 58/75頁(yè)
文件大?。?/td> 0K
描述: IC LIU SH E1 OCTAL 225BGA
標(biāo)準(zhǔn)包裝: 84
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 8/8
規(guī)程: T1,E1,J1
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
其它名稱: 1016-1482
XRT83VSH28IB-F-ND
XRT83VSH28
58
REV. 2.0.0
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
D3
TxOn
Transmit ON/OFF
Upon power up, the transmitters are powered off. This bit is used
to turn the transmitter for this channel On or Off.
0 = Transmitter is Powered OFF
1 = Transmitter is Powered ON
R/W
0
D2
D1
D0
LOOP2
LOOP1
LOOP0
Loopback Diagnostic Select
LOOP[2:0] are used to select the loopback mode.
0XX = No Loopback
100 = Dual Loopback
101 = Analog Loopback
110 = Remote Loopback
111 = Digital Loopback
R/W
0
TABLE 26: MICROPROCESSOR REGISTER 0X03H BIT DESCRIPTION
CHANNEL 0-7 (0X03H-0X73H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D[7:6]
Reserved
This Register Bit is Not Used.
D5
CODES
Encoding/Decoding Select (Single Rail Mode Only)
0 = HDB3
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 = 320
10 = 280
11 = 190
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
TABLE 25: MICROPROCESSOR REGISTER 0X02H BIT DESCRIPTION
CHANNEL 0-7 (0X02H-0X72H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
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