MC68030 Datasheet, PDF (545/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

APPENDIX A
M68000 FAMILY SUMMARY
This Appendix summarizes the characteristics of the microprocessors in the M68000 Family.
Refer to M68000 PM/AD, M68000 Programmer's Reference Manual, for more detailed infor-
mation about MC68000 and MC68010 differences.
Data Bus Size (Bits)
Address Bus Size
(Bits)
Instruction Cache
(in words)
Data Cache (in words)
MC68000
16
MC68008
8
MC68010
16
MC68020
8,16,32
24
20
24
32
—
—
3¹
128
—
—
—
—
Note 1. The MC68010 supports a three-word cache for the loop mode.
MC68030
8,16,32
32
128
128
Virtual Memory/Machine
MC68010,
MC68020, and
MC68030
MC68030
Provide Bus Error Detection, Fault Recovery
On-Chip MMU
Coprocessor Interface
MC68000,
MC68008, and
MC68010
MC68020 and
MC68030
Emulated in Software
In Microcode
MOTOROLA
MC68030 USER’S MANUAL
A-1