MT8926AP Datasheet

IC型號(hào)：
MT8926AP
PDF描述：
ISO-CMOS ST-BUS⑩ FAMILY T1 Performance Monitoring Adjunct C...
文件大小：
312.10KB
PDF頁數(shù)：
26頁
芯片廠家：
MITEL

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ISO-CMOS ST-BUS鈩?FAMILY

MT8926

T1 Performance Monitoring

Adjunct Circuit (PMAC)

Features

鈥?/div>

ANSI T1.403 and T1.408 Performance

Monitoring and Maintenance Functions

Operates in conjunction with Mitel's T1/ESF

framer circuits (MT8976/77 and MH89760B)

D3/D4 (SF), and ESF modes of operation

One and two second timers

Supports bit-oriented and message-oriented

data transfer over the Facility Data Link (FDL)

ESF and D3/D4 Yellow Alarms, Alarm Indication

Signal and Loss of Signal Indication

Framing Error, CRC Error and Bipolar Violation

Error counters

Alarm interrupts and counter overflow interrupts

ISSUE 3

July 1993

Ordering Information

MT8926AE

MT8926AP

28 Pin Plastic DIP

28 Pin PLCC

-40擄C to 85擄C

Description

The MT8926 Performance Monitoring Adjunct Circuit

(PMAC) interworks with Mitel's MT8976/77 and

MH89760B to provide performance monitoring data,

alarms and T1 maintenance features.

It meets the performance monitoring and

maintenance requirements of ANSI T1.403 and

T1.408, and also supports Channel Service Unit

(CSU) requirements.

Applications

鈥?/div>

T1 line performance data collection

CSU performance monitoring

ISDN Primary Rate maintenance controller

FDLi

E8Ki

Transmit BOM

Receive BOM Register &

RAI Debounce

IRQ

C2i

CSTi0

CSTi1

CSTo

BSI

RESET

ST-BUS

Interface

Snap-

Shot

Registers

FSI

SEI

4 Bit SE

Counter

4 Bit FE

Counter

E8Ko

E8K/FDL

Mux

FDLo

FDL

Extractor

Framer,

SE/FE

Detector

Line

Loopback

Integrator

8 Bit BPV

Counter

RxA

B8ZS

Recovery,

BPV Detector

RxB

ECLK

DSTi0

DSTi1

DSTo

F0i

Payload

& Line

Loopback

Control

8 Bit CRC

Counter CSI

AIS/LOS

Detector

Timer

1SEC

Figure 1 - Functional Block Diagram

4-3

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