参数资料
型号: IDT82V3355TFG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 8/135页
文件大小: 0K
描述: IC PLL WAN SYNC ETH 64-TQFP
标准包装: 1,250
类型: 时钟/频率发生器,多路复用器
PLL:
主要目的: 以太网,SONET/SDH,Stratum
输入: CMOS,LVDS,PECL
输出: CMOS,LVDS,PECL
电路数: 1
比率 - 输入:输出: 3:2
差分 - 输入:输出: 是/是
频率 - 最大: 622.08MHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 带卷 (TR)
其它名称: 82V3355TFG8
IDT82V3355
SYNCHRONOUS ETHERNET WAN PLL
Programming Information
105
May 19, 2009
OUT1_FREQ_CNFG - Output Clock 1 Frequency Configuration
OUT1_INV_CNFG - Output Clock 1 Invert Configuration
Address:71H
Type: Read / Write
Default Value: 00001000
Bit
Name
Description
7 - 4
OUT1_PATH_SEL[3:0]
These bits select an input to OUT1.
0000 ~ 0011: The output of T0 APLL. (default: 0000)
0100: The output of T0 DPLL 77.76 MHz path.
0101: The output of T0 DPLL 12E1/24T1/E3/T3 path.
0110: The output of T0 DPLL 16E1/16T1 path.
0111: The output of T0 DPLL ETH/OBSAI/16E1/16T1 path.
1000 ~ 1011: The output of T4 APLL.
1100: The output of T4 DPLL 77.76 MHz path.
1101: The output of T4 DPLL 12E1/24T1/E3/T3 path.
1110: The output of T4 DPLL 16E1/16T1 path.
1111: The output of T4 DPLL GSM/GPS/16E1/16T1 path.
3 - 0
OUT1_DIVIDER[3:0]
These bits select a division factor of the divider for OUT1.
The output frequency is determined by the division factor and the signal derived from T0/T4 DPLL or T0/T4 APLL output
(selected by the OUT1_PATH_SEL[3:0] bits (b7~4, 71H)). If the signal is derived from one of the T0/T4 DPLL outputs,
please refer to Table 25 for the division factor selection. If the signal is derived from the T0/T4 APLL output, please refer to
Table 26~Table 27 for the division factor selection.
Address:72H
Type: Read / Write
Default Value: XXXXXX0X
Bit
Name
Description
7 - 2
-
Reserved.
1OUT1_INV
This bit determines whether the output on OUT1 is inverted.
0: Not inverted. (default)
1: Inverted.
0-
Reserved.
76543210
OUT1_PATH_S
EL3
OUT1_PATH_S
EL2
OUT1_PATH_S
EL1
OUT1_PATH_S
EL0
OUT1_DIVIDER
3
OUT1_DIVIDER
2
OUT1_DIVIDER
1
OUT1_DIVIDER
0
76543210
----
--
OUT1_INV
-
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