MITSUBISHI MICROCOMPUTERS
,M37420M4-XXXSP M37420M6-XXXSP
SINGLE·CHIP a·BIT CMOS MICROCOMPUTER
DESCRIPTION
The M37420M4-...
MITSUBISHI MICROCOMPUTERS
,M37420M4-XXXSP M37420M6-XXXSP
SINGLE·CHIP a·BIT
CMOS MICROCOMPUTER
DESCRIPTION
The M37420M4-XXXSP and the M37420M6-XXXSP are single-chip microcomputers designed with
CMOS silicon gate technology. All are housed in a 52-pin shrink plastic molded DIP. These single-chip microcomputers are useful for household appliance and other consumer applications. In addition to its simple instruction sets, the ROM, RAM, and I/O addresses are placed on the same memory map to enable easy programming, The differences between the M37420M4-XXXSP and the M37420M6-XXXSP are noted below. The following explanations apply to the M37420M6-XXXSP. Specification variations for other chips are noted accordingly.
PIN CONFIGURATION (TOP VIEW)
I/O port P6
I/O port P4
I/O port P3
P6s .... 1 P62 .... 2 P6, /DA2 ++ 3 P6o/DA, ++ 4 P4r/AN7 ++ 5 P4,,/AN.++ 6 P4./AN. ++ 7 P4./AN. ++ 8 P37/SRDy ++ 9 P3./ClK ++ 10
P3s/S0UT ++ 11
P3./S,N .... 12
P3s/CNTR .... 13
Vee I/O port P2
1/0 port PO
Typ...