參數(shù)資料
型號(hào): IDT82V3355TFG8
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 110/135頁
文件大?。?/td> 0K
描述: IC PLL WAN SYNC ETH 64-TQFP
標(biāo)準(zhǔn)包裝: 1,250
類型: 時(shí)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: 3:2
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-LQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
其它名稱: 82V3355TFG8
IDT82V3355
SYNCHRONOUS ETHERNET WAN PLL
Programming Information
76
May 19, 2009
DECAY_RATE_0_CNFG - Decay Rate for Leaky Bucket Configuration 0
UPPER_THRESHOLD_1_CNFG - Upper Threshold for Leaky Bucket Configuration 1
LOWER_THRESHOLD_1_CNFG - Lower Threshold for Leaky Bucket Configuration 1
Address: 34H
Type: Read / Write
Default Value: XXXXXX01
Bit
Name
Description
7 - 2
-
Reserved.
1 - 0
DECAY_RATE_0_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: 35H
Type: Read / Write
Default Value: 00000110
Bit
Name
Description
7 - 0
UPPER_THRESHOLD_1_DATA[7:0]
These bits set an upper threshold for the internal leaky bucket accumulator. When the number of the accumu-
lated events is above this threshold, a no-activity alarm is raised.
Address: 36H
Type: Read / Write
Default Value: 00000100
Bit
Name
Description
7 - 0
LOWER_THRESHOLD_1_DATA[7:0]
These bits set a lower threshold for the internal leaky bucket accumulator. When the number of the accumulated
events is below this threshold, the no-activity alarm is cleared.
76543210
----
--
DECAY_RATE_
0_DATA1
DECAY_RATE_
0_DATA0
765
43210
UPPER_THRE
SHOLD_1_DAT
A7
UPPER_THRE
SHOLD_1_DAT
A6
UPPER_THRE
SHOLD_1_DAT
A5
UPPER_THRE
SHOLD_1_DAT
A4
UPPER_THRE
SHOLD_1_DAT
A3
UPPER_THRE
SHOLD_1_DAT
A2
UPPER_THRE
SHOLD_1_DAT
A1
UPPER_THRE
SHOLD_1_DAT
A0
76543210
LOWER_THRE
SHOLD_1_DAT
A7
LOWER_THRE
SHOLD_1_DAT
A6
LOWER_THRE
SHOLD_1_DAT
A5
LOWER_THRE
SHOLD_1_DAT
A4
LOWER_THRE
SHOLD_1_DAT
A3
LOWER_THRE
SHOLD_1_DAT
A2
LOWER_THRE
SHOLD_1_DAT
A1
LOWER_THRE
SHOLD_1_DAT
A0
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