參數(shù)資料
型號: IDT82V3202NLG8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 89/117頁
文件大小: 0K
描述: IC PLL WAN EBU SGL 68-VFQFPN
標(biāo)準(zhǔn)包裝: 2,500
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: 帶卷 (TR)
其它名稱: 82V3202NLG8
IDT82V3202
EBU WAN PLL
Programming Information
73
September 11, 2009
DECAY_RATE_3_CNFG - Decay Rate for Leaky Bucket Configuration 3
IN_FREQ_READ_CH_CNFG - Input Clock Frequency Read Channel Selection
IN_FREQ_READ_STS - Input Clock Frequency Read Value
Address: 40H
Type: Read / Write
Default Value: XXXXXX01
Bit
Name
Description
7 - 2
-
Reserved.
1 - 0
DECAY_RATE_3_DATA[1:0]
These bits set a decay rate for the internal leaky bucket accumulator:
00: The accumulator decreases by 1 in every 128 ms with no event detected.
01: The accumulator decreases by 1 in every 256 ms with no event detected. (default)
10: The accumulator decreases by 1 in every 512 ms with no event detected.
11: The accumulator decreases by 1 in every 1024 ms with no event detected.
Address: 41H
Type: Read / Write
Default Value: XXXX0000
Bit
Name
Description
7 - 4
-
Reserved.
3 - 0
IN_FREQ_READ_CH[3:0]
These bits select an input clock, the frequency of which with respect to the reference clock can be read.
0000: Reserved. (default)
0001, 0010: Reserved.
0011: IN1_CMOS.
0100: IN2_CMOS.
0101 ~ 1111: Reserved.
Address: 42H
Type: Read
Default Value: 00000000
Bit
Name
Description
7 - 0
IN_FREQ_VALUE[7:0]
These bits represent a 2’s complement signed integer. If the value is multiplied by the value in the
FREQ_MON_FACTOR[3:0] bits (b3~0, 2EH), the frequency of an input clock with respect to the reference clock in ppm will
be gotten. The input clock is selected by the IN_FREQ_READ_CH[3:0] bits (b3~0, 41H).
The value in these bits is updated every 16 seconds, starting when an input clock is selected.
7
654
32
10
--
DECAY_RATE_
3_DATA1
DECAY_RATE_
3_DATA0
7654
3
2
1
0
----
IN_FREQ_READ
_CH3
IN_FREQ_READ
_CH2
IN_FREQ_READ
_CH1
IN_FREQ_READ
_CH0
7
6543
210
IN_FREQ_VAL
UE7
IN_FREQ_VAL
UE6
IN_FREQ_VAL
UE5
IN_FREQ_VAL
UE4
IN_FREQ_VAL
UE3
IN_FREQ_VAL
UE2
IN_FREQ_VAL
UE1
IN_FREQ_VAL
UE0
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