參數(shù)資料
型號: IDT82V3202NLG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 103/117頁
文件大小: 0K
描述: IC PLL WAN EBU SGL 68-VFQFPN
標(biāo)準(zhǔn)包裝: 21
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
輸出: CMOS,LVDS,PECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 無/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: 68-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 68-VFQFPN(10x10)
包裝: 托盤
其它名稱: 82V3202NLG
IDT82V3202
EBU WAN PLL
Programming Information
86
September 11, 2009
T0_HOLDOVER_FREQ[15:8]_CNFG - T0 DPLL Holdover Frequency Configuration 2
T0_HOLDOVER_FREQ[23:16]_CNFG - T0 DPLL Holdover Frequency Configuration 3
T4_APLL_PATH_CNFG - T4 APLL Path Configuration
Address: 5EH
Type: Read / Write
Default Value: 00000000
Bit
Name
Description
7 - 0
T0_HOLDOVER_FREQ[15:8] Refer to the description of the T0_HOLDOVER_FREQ[23:16] bits (b7~0, 5FH).
Address: 5FH
Type: Read / Write
Default Value: 00000000
Bit
Name
Description
7 - 0
T0_HOLDOVER_FREQ[23:16]
The T0_HOLDOVER_FREQ[23:0] bits represent a 2’s complement signed integer.
In T0 DPLL Holdover mode, the value written to these bits multiplied by 0.000011 is the frequency offset set manu-
ally; the value read from these bits multiplied by 0.000011 is the frequency offset automatically slow or fast aver-
aged or manually set, as determined by the READ_AVG bit (b4, 5CH) and the FAST_AVG bit (b5, 5CH).
Address: 60H
Type: Read / Write
Default Value: 0100XXXX
Bit
Name
Description
7 - 4
T4_APLL_PATH[3:0]
These bits select an input to the T4 APLL.
0000: The output of T0 DPLL 77.76 MHz path.
0001: The output of T0 DPLL 12E1/24T1/E3/T3 path.
0010: The output of T0 DPLL 16E1/16T1 path.
0011: The output of T0 DPLL GSM/OBSAI/16E1/16T1 path.
0100 ~ 1111: Reserved.
3 - 0
-
Reserved.
7
6
5
4
3
210
T0_HOLDOVER
_FREQ15
T0_HOLDOVER
_FREQ14
T0_HOLDOVER
_FREQ13
T0_HOLDOVE
R_FREQ12
T0_HOLDOVE
R_FREQ11
T0_HOLDOVE
R_FREQ10
T0_HOLDOVE
R_FREQ9
T0_HOLDOVE
R_FREQ8
7
6
5
4
3
210
T0_HOLDOVER
_FREQ23
T0_HOLDOVER
_FREQ22
T0_HOLDOVER
_FREQ21
T0_HOLDOVE
R_FREQ20
T0_HOLDOVE
R_FREQ19
T0_HOLDOVE
R_FREQ18
T0_HOLDOVE
R_FREQ17
T0_HOLDOVE
R_FREQ16
76
5
4
3
2
1
0
T4_APLL_PATH
3
T4_APLL_PA
TH2
T4_APLL_PA
TH1
T4_APLL_PA
TH0
--
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