SA9101 Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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Fabricante

SA9101

PCM FRAME ALIGNER

South African Micro Electronic Systems 

SA9101

Description (Cont.)

status and error conditions are reported through the µP interface. In the transmit

direction, Frame (and Multiframe) alignment, signalling data insertion and HDB3 coding

is performed.

If Multiframe format is enabled, CRC4 extraction and checking are carried out in the

receive direction and CRC4 data is inserted in the transmit direction.

Stacks for transmit and receive signalling data with DMA capability as well as maskable

interrupt sources simplify interfacing to microcontrollers.

Alarm simulation capabilities and selectable channel-loopback, support system

diagnostics.

Different transparent modes for timeslot 0 in transmit direction simplify system test and

data transmission through the system.

Advanced algorithms for synchronisation of doubleframe and CRC4 multiframe format

data, and monitoring of frame and doubleframe formats minimise loss of data.

Control Registers allow different control settings through the µP interface.

Advanced C-MOS Technology ensures low power consumption and high reliability.

The device is upwards compatible with the Siemens ACFA (PEB 2035 V4.1) in PCM30

PmIoNdeC.ONNECTIONS

Package: DIP/DIC - 40

2/40

sames

Package: PLCC - 44

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