MITSUBISHI MICROCOMPUTERS
3820 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PART NUMBERING
Product
M3820
3 M 4
-
XXX FP
Package type
FP : 80P6N-A package
GP : 80P6S-A package
HP : 80P6D-A package
FS : 80D0 package
ROM number
Omitted in some types.
Normally, using hyphen
When electrical characteristic, or division of quality
identification code using alphanumeric character
– : standard
D : Extended operating temperature version
ROM/PROM size
1 : 4096 bytes
2 : 8192 bytes
3 : 12288 bytes
4 : 16384 bytes
5 : 20480 bytes
6 : 24576 bytes
7 : 28672 bytes
8 : 32768 bytes
The first 128 bytes and the last 2 bytes of ROM
are reserved areas ; they cannot be used.
Memory type
M : Mask ROM version
E : EPROM or One Time PROM version
RAM size
0 : 192 bytes
1 : 256 bytes
2 : 384 bytes
3 : 512 bytes
4 : 640 bytes
5 : 768 bytes
6 : 896 bytes
7 : 1024 bytes
6
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
