CN8330EPD CONEXANT [Conexant Systems, Inc], CN8330EPD Datasheet - Page 85
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CN8330EPD
Manufacturer Part Number
CN8330EPD
Description
DS3/E3 Framer with 52 Mbps HDLC Controller
Manufacturer
CONEXANT [Conexant Systems, Inc]
Datasheet
1.CN8330EPD.pdf
(101 pages)
- Current page: 85 of 101
- Download datasheet (570Kb)
A
Appendix A Multimegabit HDLC Formatter
A.1 Introduction
The CN8330 was designed as a DS3/E3 framer with both serial and parallel data
inputs. The circuit has an integral High-Level Data Link Control (HDLC)
interface that can be used without the insertion of DS3/E3 overhead bits. This
mode of operation is documented in this Appendix.
The transmitter is capable of formatting byte-organized data from the Payload
Parallel Data Link (PPDL) data port. The parallel data is formatted with idle
flags, zero stuffing for transparency, and a selectable 16- or 32-bit Frame Check
Sequence (FCS) according to ITU-T standard Q.921 or ISO 3309-1984. Options
are provided to allow the formatting of data for packet voice according to ANSI
standard T1.312-1991. Serial data can be transmitted at any rate up to 52 Mbps.
Conexant
100441E
A-1
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