描述 Description

The MT8952B HDLC Protocol Controller frames and formats data packets according to X.25 (Level 2) Recommendations from the CCITT.

特性 Features

? Formats data as per X.25 (CCITT) level-2 standards
? Go-Ahead sequence generation and detection
? Single byte address recognition
? Microprocessor port and directly accessible registers for flexible operation and control
? 19 byte FIFO in both send and receive paths
? Handshake signals for multiplexing data links
? High speed serially clocked output (2.5 Mbps)
? ST-BUS compatibility with programmable channel selection for data and separate timeslot for control information
? Independent watchdog timer
? Facility to disable protocol functions
? Low power ISO-CMOS technologyApplications
? Data link controllers and protocol generators
? Digital sets, PBXs and private packet networks
? D-channel controller for ISDN basic access
? C-channel controller to Digital Network
Interface Circuits (typically MT8972)
? Interprocessor communication