参数资料
型号: XRT83L314IB-L
厂商: Exar Corporation
文件页数: 52/84页
文件大小: 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
标准包装: 27
类型: 线路接口装置(LIU)
驱动器/接收器数: 14/14
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 304-LBGA
供应商设备封装: 304-TBGA(31x31)
包装: 托盘
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
52
TABLE 24: MICROPROCESSOR REGISTER 0X00H BIT DESCRIPTION
CHANNEL 0-13 (0X00H-0XD0H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
QRSS/
PRBS
QRSS/PRBS Select Bits
These bits are used to select between QRSS and PRBS.
0 = QRSS
1 = PRBS
R/W
0
D6
Reserved
This Register Bit is Not Used.
D5
RxON
Receiver ON/OFF
Upon power up, the receiver is powered OFF. RxON is used to
turn the receiver ON or OFF if the hardware pin RxON is pulled
"High". If the hardware pin is pulled "Low", all receivers are turned
off.
0 = Receiver is Powered Off
1 = Receiver is Powered On
R/W
0
D4
D3
D2
D1
D0
EQC4
EQC3
EQC2
EQC1
EQC0
Equalizer Control Bits
The equalizer control bits are shown in Table 25 below.
R/W
0
TABLE 25: EQUALIZER CONTROL AND TRANSMIT LINE BUILD OUT
EQC[4:0]
T1/E1 MODE/RECEIVE SENSITIVITY
TRANSMIT LBO
CABLE
CODING
0x00h
T1 Long Haul/36dB
0dB
100
TP
B8ZS
0x01h
T1 Long Haul/36dB
-7.5dB
100
TP
B8ZS
0x02h
T1 Long Haul/36dB
-15dB
100
TP
B8ZS
0x03h
T1 Long Haul/36dB
-22.5dB
100
TP
B8ZS
0x04h
T1 Long Haul/45dB
0dB
100
TP
B8ZS
0x05h
T1 Long Haul/45dB
-7.5dB
100
TP
B8ZS
0x06h
T1 Long Haul/45dB
-15dB
100
TP
B8ZS
0x07h
T1 Long Haul/45dB
-22.5dB
100
TP
B8ZS
0x08h
T1 Short Haul/15dB
0 to 133 feet (0.6dB)
100
TP
B8ZS
0x09h
T1 Short Haul/15dB
133 to 266 feet (1.2dB)
100
TP
B8ZS
0x0Ah
T1 Short Haul/15dB
266 to 399 feet (1.8dB)
100
TP
B8ZS
0x0Bh
T1 Short Haul/15dB
399 to 533 feet (2.4dB)
100
TP
B8ZS
0x0Ch
T1 Short Haul/15dB
533 to 655 feet (3.0dB)
100
TP
B8ZS
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