UPD72107 Description
DATA SHEET MOS INTEGRATED CIRCUIT µPD72107 LAP-B CONTROLLER Link Access Procedure Balanced mode The µPD72107 is an LSI that supports LAP-B protocol specified by the ITU-T remended X.25 on a single chip.
UPD72107 Key Features
- plied with ITU-T remended X.25 (LAP-B84 edition) HDLC frame control Sequence control Flow control
- ITU-T remended X.75 supported
- TTC standard JT-T90 supported
- Optional functions Option frame Global address frame Error check deletion frame
- Powerful test functions Data loopback function Loopback test link function Frame trace function
- Abundant statistical information
- Detailed mode setting function
- Modem control function
- On-chip DMAC (Direct Memory Access Controller) 24-bit address Byte/word transfer enabled (switch with external pin)
- Memory-based interface Memory-based mand Memory-based status Memory-based transmit/receive data