WD2511, WD2501 Datasheet - Western Digital

WD2511 LSI PACKET NETWORK INTERFACE

The WD2501 is a MOS I LSI device which handles bit-oriented, full-duplex serial data communications with DMA, which conforms to CCITT X.25 with programmable enhancements. The device is fabricated in N-Channel silicon gate MOS technology and is TTL compatible on all inputs and outputs. WD 2501 BLOCK.

WD2511 Features

* Packet Switching Controller Compatible with CCITI Recommendation X.2S, Level 2, LAP.

* Programmable Primary Timer (T1) And Retransmission Counter (N2)

* Programmable A-Field Which Provides A Wider Range Of Applications Than Defined By X.25. These Include: DTE-To-DTE Connect

WD2501-WesternDigital.pdf