MITSUBISHI MICROCOMPUTERS ,M37420M4-XXXSP M37420M6.
M37420M4-XXXSP - SINGLE CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS ,M37420M4-XXXSP M37420M6-XXXSP SINGLE·CHIP a·BIT CMOS MICROCOMPUTER DESCRIPTION The M37420M4-XXXSP and the M37420M6-XXXSP a.