CX28398-22 데이터 시트보기 (PDF) - Conexant Systems

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CX28398-22

Quad/x16/Octal—T1/E1/J1 Framers

Conexant Systems 

Data Links

• Two full-featured data link controllers

(DL1 and DL2):

– 64-octet transmit and receive

FIFOs

– HDLC Message Oriented Protocol

(MOP)

– Unformatted data transfer

– Unformatted circular buffer

– End of message/buffer interrupt

– Near full/empty interrupts at

selected depth

• Access any bit combination in any

time slot:

– ISDN D-channels at 16, 32, or 64

kbps

– National/spare bits (SA-bits) in 4

kbps increments

– CCS/SS7

– T1DM R-bits

• Access T1 F-bits in even, odd, or all

frames:

– Automatic Performance Report

Message (PRM) generator

– ESF Facility Data Link (FDL)

– Unformatted SLC-96 overhead

– Bit-Oriented Protocol (BOP)

priority codeword generation and

detection

• Separate I/O for external data link

(DL3) on CX28394 and CX28398

devices

100054E

Conexant

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