参数资料
型号: IDT82V3355TFG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/135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
100
May 19, 2009
T4_DPLL_LOCKED_BW_DAMPING_CNFG - T4 DPLL Locked Bandwidth & Damping Factor Configuration
CURRENT_DPLL_FREQ[7:0]_STS - DPLL Current Frequency Status 1 *
CURRENT_DPLL_FREQ[15:8]_STS - DPLL Current Frequency Status 2 *
Address: 61H
Type: Read / Write
Default Value: 011XXX00
Bit
Name
Description
7 - 5
T4_DPLL_LOCKED_DAMPING[2:0]
These bits set the locked damping factor for T4 DPLL.
000: Reserved.
001: 1.2.
010: 2.5.
011: 5. (default)
100: 10.
101: 20.
110, 111: Reserved.
4 - 2
-
Reserved.
1 - 0
T4_DPLL_LOCKED_BW[1:0]
These bits set the locked bandwidth for T4 DPLL.
00: 18 Hz. (default)
01: 35 Hz.
10: 70 Hz.
11: 560 Hz.
Address: 62H
Type: Read
Default Value: 00000000
Bit
Name
Description
7 - 0
CURRENT_DPLL_FREQ[7:0] Refer to the description of the CURRENT_DPLL_FREQ[23:16] bits (b7~0, 64H).
Address: 63H
Type: Read
Default Value: 00000000
Bit
Name
Description
7 - 0
CURRENT_DPLL_FREQ[15:8] Refer to the description of the CURRENT_DPLL_FREQ[23:16] bits (b7~0, 64H).
7
6
5
43210
T4_DPLL_LOCK
ED_DAMPING2
T4_DPLL_LOCK
ED_DAMPING1
T4_DPLL_LOCK
ED_DAMPING0
---
T4_DPLL_LOC
KED_BW1
T4_DPLL_LOC
KED_BW0
76543210
CURRENT_DP
LL_FREQ7
CURRENT_DP
LL_FREQ6
CURRENT_DP
LL_FREQ5
CURRENT_DP
LL_FREQ4
CURRENT_DP
LL_FREQ3
CURRENT_DP
LL_FREQ2
CURRENT_DP
LL_FREQ1
CURRENT_DP
LL_FREQ0
76543210
CURRENT_DP
LL_FREQ15
CURRENT_DP
LL_FREQ14
CURRENT_DP
LL_FREQ13
CURRENT_DP
LL_FREQ12
CURRENT_DP
LL_FREQ11
CURRENT_DP
LL_FREQ10
CURRENT_DP
LL_FREQ9
CURRENT_DP
LL_FREQ8
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