MITSUBISHI MICROCOMPUTERS M37451 M4-XXXSP/FP/GP M3.
M37451MC-XXXFP - Single-Chip 8-Bit CMOS Microcomputer
MITSUBISHI MICROCOMPUTERS M37451 M4-XXXSP/FP/GP M37451 M8-XXXSP/FP/GP M37451 MC-XXXSP/FP/GP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER DESCRIPTION The M374.