参数资料
型号: IDT82V3355TFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 111/135页
文件大小: 0K
描述: IC PLL WAN SYNC ETH 64-TQFP
标准包装: 1
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: 托盘
其它名称: 82V3355TFG
IDT82V3355
SYNCHRONOUS ETHERNET WAN PLL
Programming Information
77
May 19, 2009
BUCKET_SIZE_1_CNFG - Bucket Size for Leaky Bucket Configuration 1
DECAY_RATE_1_CNFG - Decay Rate for Leaky Bucket Configuration 1
UPPER_THRESHOLD_2_CNFG - Upper Threshold for Leaky Bucket Configuration 2
Address: 37H
Type: Read / Write
Default Value: 00001000
Bit
Name
Description
7 - 0
BUCKET_SIZE_1_DATA[7:0]
These bits set a bucket size for the internal leaky bucket accumulator. If the number of the accumulated events reach
the bucket size, the accumulator will stop increasing even if further events are detected.
Address: 38H
Type: Read / Write
Default Value: XXXXXX01
Bit
Name
Description
7 - 2
-
Reserved.
1 - 0
DECAY_RATE_1_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: 39H
Type: Read / Write
Default Value: 00000110
Bit
Name
Description
7 - 0
UPPER_THRESHOLD_2_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.
76543210
BUCKET_SIZE
_1_DATA7
BUCKET_SIZE
_1_DATA6
BUCKET_SIZE
_1_DATA5
BUCKET_SIZE
_1_DATA4
BUCKET_SIZE
_1_DATA3
BUCKET_SIZE
_1_DATA2
BUCKET_SIZE
_1_DATA1
BUCKET_SIZE
_1_DATA0
765432
1
0
----
--
DECAY_RATE_
1_DATA1
DECAY_RATE_
1_DATA0
76543210
UPPER_THRE
SHOLD_2_DAT
A7
UPPER_THRE
SHOLD_2_DAT
A6
UPPER_THRE
SHOLD_2_DAT
A5
UPPER_THRE
SHOLD_2_DAT
A4
UPPER_THRE
SHOLD_2_DAT
A3
UPPER_THRE
SHOLD_2_DAT
A2
UPPER_THRE
SHOLD_2_DAT
A1
UPPER_THRE
SHOLD_2_DAT
A0
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