MC68QH302

MC68QH302/D

(Motorola Order Number)

11/97

REV 0

This document contains information on a new product under development by Motorola. Motorola reserves the right to

change or discontinue this product without notice.

Advance Information

MC68QH302 Quad HDLC Integrated

Multiprotocol Processor

Technical Summary

The MC68QH302, quad HDLC integrated multiprotocol processor, is based on the three-

SCC MC68302 family of chips with the addition of the QH protocol and two extra serial

DMA channels. The QH302 supports a total of four independent communications

channels, handling two HDLC or transparent channels on SCC1; see Figure 1 for a block

diagram.

In non-QH mode, the QH302 can be used in standard 302 applications as well.

To locate any published errata or updates for this document, refer to the website at

http://www.mot.com/netcomm.