参数资料
型号: IDT82P20416DBFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 116/121页
文件大小: 0K
描述: IC LIU T1/E1/J1 16CH SH 484BGA
标准包装: 84
功能: 线路接口单元(LIU)
接口: E1,J1,T1
电路数: 16
电源电压: 1.8V, 3.3V
功率(瓦特): 3.10W
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 484-LFBGA
供应商设备封装: 484-CABGA(19x19)
包装: 托盘
包括: AIS 警报检测器和发生器,回送功能,PRBS 发生器 / 检测器,远程检测器和发生器
IDT82P20416
16-CHANNEL SHORT HAUL T1/E1/J1 LINE INTERFACE UNIT
Programming Information
94
December 17, 2009
JIT_NL - Negative Peak Jitter Measurement Low-Byte Register
JIT_NH - Negative Peak Jitter Measurement High-Byte Register
Address: 7E8H
Type: Read
Default Value: 00H
Bit
Name
Description
7 - 0
JIT_N[7:0]
These bits, together with the JIT_N[11:8] bits, reflect the greatest negative peak value of the demodulated jitter signal which is
measured by channel 0. They are updated automatically or manually, as determined by the JM_MD bit (b1, JM). They should be
read in the next round of jitter measurement; otherwise, they will be overwritten.
The relationship between the greatest negative peak value and the indication in these bits is:
Negative Peak = [JIT_NH, JIT_NL] / 16 (UIpp)
Address: 7E9H
Type: Read
Default Value: 00H
Bit
Name
Description
7 - 4
-
Reserved.
3 - 0
JIT_N[11:8]
(Refer to the description of the JIT_NL register.)
76
54
3
2
1
0
JIT_N7
JIT_N6
JIT_N5
JIT_N4
JIT_N3
JIT_N2
JIT_N1
JIT_N0
76
54
3
2
1
0
-
JIT_N11
JIT_N10
JIT_N9
JIT_N8
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