参数资料
型号: IDT82P2828BHG
厂商: IDT, Integrated Device Technology Inc
文件页数: 149/154页
文件大小: 0K
描述: IC LIU T1/J1/E1 28+1CH 640-PBGA
标准包装: 5
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.13 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 640-BGA 裸露焊盘
供应商设备封装: 640-PBGA-EP(31x31)
包装: 托盘
其它名称: 82P2828BHG
IDT82P2828
28(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Programming Information
94
February 6, 2009
SCAL - Amplitude Scaling Control Register
Address: 007H, 047H, 087H, 0C7H, 107H, 147H, 187H, 1C7H, (CH1~CH8)
207H, 247H, 287H, 2C7H, 307H, 347H, 387H, 3C7H, (CH9~CH16)
407H, 447H, 487H, 4C7H, 507H, 547H, 587H, 5C7H, (CH17~CH24)
607H, 647H, 687H, 6C7H, (CH25~CH28)
7C7H (CH0)
Type: Read / Write
Default Value: 36H
Bit
Name
Description
7 - 6
-
Reserved.
5 - 0
SCAL[5:0]
These bits specify a scaling factor to be applied to the amplitude of the waveform to be transmitted.
In T1/J1 mode, the standard value is ‘110110’ for the waveform amplitude. If necessary, increasing or decreasing by ‘1’ from the
standard value will result in 2% scaling up or down against the waveform amplitude. The scale range is from +20% to -100%.
In E1 mode, the standard value is ‘100001’ for the waveform amplitude. If necessary, increasing or decreasing by ‘1’ from the
standard value will result in 3% scaling up or down against the waveform amplitude. The scale range is from +100% to -100%.
Note:
The default value for SCAL[5:0] is ‘110110’ which is the T1/J1 standard value. Therefore, if E1 mode is used, ‘100001’
should be written to these bits to indicate the E1 standard value.
76543
21
0
-
SCAL5
SCAL4
SCAL3
SCAL2
SCAL1
SCAL0
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