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
CONEXANT [ CONEXANT SYSTEMS, INC ]
