參數(shù)資料
型號： IDT82P2521BH
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 19/147頁
文件大小： 0K
描述： IC LIU E1 21+1CH SHORT 640-PBGA
標準包裝： 5
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 640-BGA 裸露焊盤
供應商設備封裝： 640-PBGA-EP（31x31）
包裝： 托盤
其它名稱： 82P2521BH
IDT82P2521
21(+1) CHANNEL HIGH-DENSITY E1 LINE INTERFACE UNIT
Programming Information
115
December 7, 2005
JM - Jitter Measurement Configuration For Channel 0 Register
JIT_PL - Positive Peak Jitter Measurement Low-Byte Register
JIT_PH - Positive Peak Jitter Measurement High-Byte Register
Address: 7E5H
Type: Read / Write
Default Value: 00H
Bit
Name
Description
7 - 3
-
Reserved.
2
JM_STOP
This bit is valid only when the JM_MD bit (b1, JM) is ‘0’.
A transition from ‘0’ to ‘1’ on this bit updates the JIT_PH, JIT_PL and JIT_NH, JIT_NL registers.
This bit must be cleared before the next round.
1
JM_MD
This bit selects the jitter measurement period.
0: The period is determined manually by setting the JM_STOP bit (b2, JM). (default)
1: The period is one second automatically.
0
JM_BW
This bit selects the bandwidth of the measured jitter.
0: 20 Hz ~ 100 KHz. (default)
1: 18 KHz ~ 100 KHz.
Address: 7E6H
Type: Read
Default Value: 00H
Bit
Name
Description
7 - 0
JIT_P[7:0]
These bits, together with the JIT_P[11:8] bits, reflect the greatest positive peak value of the demodulated jitter signal which is
measured by channel 0. They are updated automatically or manually, as determined by the JM_MD bit (b1, JM). They should be
read in the next round of jitter measurement; otherwise, they will be overwritten.
The relationship between the greatest positive peak value and the indication in these bits is:
Positive Peak = [JIT_PH, JIT_PL] / 16 (UIpp)
Address: 7E7H
Type: Read
Default Value: 00H
Bit
Name
Description
7 - 4
-
Reserved.
3 - 0
JIT_P[11:8]
(Refer to the description of the JIT_PL register.)
76
54
3
2
1
0
--
-
JM_STOP
JM_MD
JM_BW
7
654
321
0
JIT_P7
JIT_P6
JIT_P5
JIT_P4
JIT_P3
JIT_P2
JIT_P1
JIT_P0
76
54
3
2
1
0
-
JIT_P11
JIT_P10
JIT_P9
JIT_P8
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相關代理商/技術參數(shù)
參數(shù)描述
IDT82P2521BHBLANK 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(1) Channel High-Density E1 Line Interface Unit
IDT82P2521BHG 功能描述:IC LIU E1 21+1CH SHORT 640-PBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:250 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR)
IDT82P2521BHGBLANK 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(1) Channel High-Density E1 Line Interface Unit
IDT82P2808 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:8(+1) Channel High-Density T1/E1/J1 Line Interface Unit
IDT82P2808BB 功能描述:IC LIU T1/J1/E1 8+1CH 416-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:1,000 系列:- 類型:收發(fā)器 驅動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR)
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