November 1987 FEATURES [J Complete microcomputer, 24 I/O lines, and up to 64K bytes of addressable external space each for program and data rnernory.
l!lI 256-byte register file, including 236 general-purpose registers, 3 I/O port registers, and 16 status and control registers.
Cl Vectored, priority interrupts for I/O, counter/tirners, and UART.
l:J On-chip oscillator that accepts crystal or external clock drive.
GENERAL DESCRIPTION The Z86C91 is a CMOS ROM less version of the Z8 single-chip microcomputer.
It offers all the outstanding features of the Z8 family architecture except an on-chip program ROM.
Use of external mernory rather than a ~16c~n (c:MOS rni@Mll(p;ss !:~® Miiecm€C@rnmpTmi...

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)