参数资料
型号: IDT82P20416DBFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 84/121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
65
December 17, 2009
5.2.2
PER-CHANNEL REGISTER
CHCF - Channel Configuration Register
TJA - Transmit Jitter Attenuation Configuration Register
Address: 001H, 041H, 081H, 0C1H, 101H, 141H, 181H, 1C1H, (CH1~CH8)
201H, 241H, 281H, 2C1H, 301H, 341H, 381H, (CH9~CH15)
7C1H (CH0)
Type: Read / Write
Default Value: 00H
Bit
Name
Description
7 - 2
-
Reserved.
1
CHRST
Writing a ‘1’ to this bit will initiate per-channel software reset. Once initiated, per-channel software reset completes in 1 s maxi-
mum.
This bit is self cleared.
0
T1E1
This bit is valid only when the TEHWE pin is low. This bit selects T1/J1 or E1 operation mode.
0: T1/J1. (default)
1: E1.
This bit can not be reset by per-channel software reset.
Address: 002H, 042H, 082H, 0C2H, 102H, 142H, 182H, 1C2H, (CH1~CH8)
202H, 242H, 282H, 2C2H, 302H, 342H, 382H, (CH9~CH15)
7C2H (CH0)
Type: Read / Write
Default Value: 00H
Bit
Name
Description
7 - 5
-
Reserved.
4
TJA_LIMT
This bit determines whether the JA-Limit function is enabled in the TJA.
0: Disable. (default)
1: Enable. The speed of the TJA outgoing data will be adjusted automatically if the FIFO in the TJA is 2-bit close to its full or emp-
tiness.
3
TJA_EN
This bit controls whether the TJA is enabled to use.
0: Disable. (default)
1: Enable.
2 - 1
TJA_DP[1:0]
These bits select the depth of the TJA FIFO.
00: 128-bit. (default)
01: 64-bit.
1X: 32-bit.
0
TJA_BW
This bit selects the Corner Frequency for the TJA.
0: 5 Hz (in T1/J1 mode) / 6.77 Hz (in E1 mode). (default)
1: 1.26 Hz (in T1/J1 mode) / 0.87 Hz (in E1 mode).
76
54
3
2
1
0
--
-
CHRST
T1E1
7
654321
0
-
TJA_LIMT
TJA_EN
TJA_DP1
TJA_DP0
TJA_BW
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