CX28398 Conexant Systems, CX28398 Datasheet - Page 5

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

Data Links
• Two full-featured data link controllers
• Access any bit combination in any
• Access T1 F-bits in even, odd, or all
• Separate I/O for external data link
100054E
(DL1 and DL2):
– 64-octet transmit and receive
– HDLC Message Oriented Protocol
– Unformatted data transfer
– Unformatted circular buffer
– End of message/buffer interrupt
– Near full/empty interrupts at
time slot:
– ISDN D-channels at 16, 32, or 64
– National/spare bits (SA-bits) in 4
– CCS/SS7
– T1DM R-bits
frames:
– Automatic Performance Report
– ESF Facility Data Link (FDL)
– Unformatted SLC-96 overhead
– Bit-Oriented Protocol (BOP)
(DL3) on CX28394 and CX28398
devices
FIFOs
(MOP)
selected depth
kbps
kbps increments
Message (PRM) generator
priority codeword generation and
detection
Conexant