參數(shù)資料
型號(hào): IDT82P5088BBG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 43/81頁
文件大小: 0K
描述: IC LIU T1/E1/J1 OCTAL 256PBGA
標(biāo)準(zhǔn)包裝: 90
功能: 線路接口單元(LIU)
接口: E1,J1,T1
電路數(shù): 8
電源電壓: 1.8V, 3.3V
功率(瓦特): 2.57W
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 256-BGA
供應(yīng)商設(shè)備封裝: 256-PBGA(17x17)
包裝: 托盤
包括: 集成式時(shí)鐘適配器
IDT82P5088
UNIVERSAL OCTAL T1/E1/J1 LIU WITH INTEGRATED CLOCK ADAPTER
PROGRAMMING INFORMATION
48
February 5, 2009
Table-46 RCF1: Receiver Configuration Register 1 for Receive Path
(R/W, Address = X29H)
Symbol
Bit
Default
Description
-7
0
Reserved
EQ_ON
6
0
= 0: receive equalizer off (short haul receiver)
= 1: receive equalizer on (long haul receiver)
FIXG
5
0
Select fix gain or LOS level detect threshold.
Note that this bit is effective only when long haul operation mode is selected (EQ_ON=1).
= 0: the receiver operates in adaptive gain mode, in which the maximum receive sensitivity is up to 43 dB for E1
and 36 dB for T1.
= 1: fixed gain mode. The receive sensitivity is fixed on the value selected by LOS[4:0].
LOS[4:0]
4-0
10101
LOS Clear Level (dB)
LOS Declare Level (dB)
00000
0
<-4
00001
>-2
<-6
00010
>-4
<-8
00011
>-6
<-10
00100
>-8
<-12
00101
>-10
<-14
00110
>-12
<-16
00111
>-14
<-18
01000
>-16
<-20
01001
>-18
<-22
01010
>-20
<-24
01011
>-22
<-26
01100
>-24
<-28
01101
>-26
<-30
01110
>-28
<-32
01111
>-30
<-34
10000
>-32
<-36
10001
>-34
<-38
10010
>-36
<-40
10011
>-38
<-42
10100
>-40
<-44
10101
>-42
<-46
10110-11111
>-44
<-48
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