參數(shù)資料
型號： IDT82P2521BH
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 96/147頁
文件大?。?/td> 0K
描述： IC LIU E1 21+1CH SHORT 640-PBGA
標(biāo)準(zhǔn)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(yīng)商設(shè)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
Functional Description
52
December 7, 2005
3.4.7.2 TMFn Indication
In Transmit Single Rail NRZ Format mode and Transmit Dual Rail RZ
Format mode, the TDNn/TMFn pin is used as TMFn. Refer to Table-3
TMFn can indicate the status of PRBS/ARB, SAIS, TOC, TLOS,
SEXZ, SBPV, SEXZ + SBPV or SLOS, as selected by the
TMF_DEF[2:0] bits (b7~5, TCF1,...). However, the indication of SBPV,
SEXZ + SBPV and SLOS is disabled automatically in Transmit Single
Rail NRZ Format mode. Refer to Table-14 for details.
Table-14 TMFn Indication
TMF_DEF[2:0]
Indication On TMF
Details
000
PRBS/ARB
TMFn is high if PRBS/ARB is detected in synchronization in the transmit path. During the synchronization, TMFn
goes low for a E1 clock cycle if a PRBS/ARB error is detected. TMFn is low if PRBS/ARB is out of synchronization.
001
System Alarm Indication
Signal (SAIS)
TMFn is high if AIS is detected in the transmit path and low if it is cleared. This indication corresponds to the SAIS_S
010
Transmit Over Current
(TOC)
TMFn is high if transmit over current is detected and low if it is cleared. This indication corresponds to the TOC_S bit
011
Transmit Loss of Signal
(TLOS)
TMFn is high if LOS is detected in the transmit line side and low if it is cleared. This indication corresponds to the
100
System Excessive Zeroes
(SEXZ)
TMFn goes high for a E1 clock cycle if an EXZ is detected in the transmit path, otherwise it is low. Refer to
101
System Bipolar Violation
(SBPV) *
TMFn goes high for a E1 clock cycle if a BPV/CV is detected in the transmit path, otherwise it is low. Refer to
110
System Excessive Zeroes
(SEXZ) + System Bipolar
Violation (SBPV) *
TMFn goes high for a E1 clock cycle if an EXZ or a BPV/CV is detected in the transmit path, otherwise it is low.
111
System Loss of Signal
(SLOS) *
TMFn is high if LOS is detected in the transmit system side and low if it is cleared. This indication corresponds to the
Note:
* In Transmit Single Rail NRZ Format mode, the corresponding indication is disabled and the corresponding setting is reserved.
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相關(guān)代理商/技術(shù)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(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)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(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
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