HD63463 Datasheet | Hitachi Semiconductor

DESCRIPTION The HD63463 (HDC: Hard Disk Controller) is a CMOS device developed for use as a peripheral LSI for the 16- bit microprocessor HD68000 (MPU: Microprocessing Unit). The HDC connects the host system and the Winchester type hard disk device with or without HD68450 (DMAC: Direct Memory Access Controller). HD63463- 6 HD63463- 8 FEATURES - Two types of disk interface, ST506/ST412/ST412HP and SMD - Choice of data bus width - 16 or 8 bits - Serial data transfer rate - max 20 Mbit/s [NRZI, max 10 Mbit/s [MFMI - Step rate - max 1.1 MHz - Internal data buffer (256 bytes x 2) - Zero- sector interleave access - Programmed 1/0 access - Automatic error correction - Zero pattern detector Igenerator, address mark detector1 generator, write prepensation logic, etc internally provided - 22 high- level function mands - 25 error codes - External circuit diagnosis mand - Low power dissipation - typ 250 m...