參數(shù)資料
型號: IDT82V3358EDG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 138/139頁
文件大?。?/td> 0K
描述: IC PLL WAN SYNC ETHERNET 64TQFP
標(biāo)準(zhǔn)包裝: 160
類型: 時鐘/頻率發(fā)生器,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,PECL
輸出: CMOS,LVDS,PECL
電路數(shù): 1
比率 - 輸入:輸出: 2:4
差分 - 輸入:輸出: 是/是
頻率 - 最大: 622.08MHz
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-TQFP-EP(10x10)
包裝: 托盤
IDT82V3358
SYNCHRONOUS ETHERNET WAN PLL
Programming Information
98
May 19, 2009
PHASE_LOSS_FINE_LIMIT_CNFG - Phase Loss Fine Detector Limit Configuration *
Address: 5BH
Type: Read / Write
Default Value: 10XXX010
Bit
Name
Description
7
FINE_PH_LOS_LIMT_EN
This bit controls whether the occurrence of the fine phase loss will result in the T0/T4 DPLL unlocked.
0: Disabled.
1: Enabled. (default)
6
FAST_LOS_SW
The value in this bit can be switched only when it is available for T0 path; this bit is always ‘1’ when it is available for T4
path.
This bit controls whether the occurrence of the fast loss will result in the T0/T4 DPLL unlocked.
0: Does not result in the T0 DPLL unlocked. T0 DPLL will enter Temp-Holdover mode automatically. (default)
1: Results in the T0/T4 DPLL unlocked. For T0 path, T0 DPLL will enter Lost-Phase mode if the T0 DPLL operating
mode is switched automatically.
5 - 3
-
Reserved.
2 - 0
PH_LOS_FINE_LIMT[2:0]
These bits set a fine phase limit.
000: 0.
001: ± (45 ° ~ 90 °).
010: ± (90 ° ~ 180 °). (default)
011: ± (180 ° ~ 360 °).
100: ± (20 ns ~ 25 ns).
101: ± (60 ns ~ 65 ns).
110: ± (120 ns ~ 125 ns).
111: ± (950 ns ~ 955 ns).
76
5
4
3
2
1
0
FINE_PH_LOS_
LIMT_EN
FAST_LOS_SW
-
PH_LOS_FINE
_LIMT2
PH_LOS_FINE
_LIMT1
PH_LOS_FINE
_LIMT0
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