Data Links
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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
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100054E
Conexant
CONEXANT [ CONEXANT SYSTEMS, INC ]
