
5
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C3 Group
M38C3 4 M 6 A XXX
FPProduct
ROM/PROM size
1
2
3
4
5
6
7
8
: 4096 bytes
: 8192 bytes
: 12288 bytes
: 16384 bytes
: 20480 bytes
: 24576 bytes
: 28672 bytes
: 32768 bytes
The first 128 bytes and the last 2 bytes of ROM
are reserved areas ; they cannot be used.
Memory type
M
E
: Mask ROM version
: EPROM or One Time PROM version
RAM size
0
1
2
3
4
5
6
7
: 192 bytes
: 256 bytes
: 384 bytes
: 512 bytes
: 640 bytes
: 768 bytes
: 896 bytes
: 1024 bytes
Package type
FP
FS
ROM number
Omitted in some types.
A : Standard(Note)
M : M version
: 80P6N-A package
: 80D0 package
9
A
B
C
: 36864 bytes
: 40960 bytes
: 45056 bytes
: 49152 bytes
Note : Difference between standard and M version
• Standard :
• M version :
Port P5
0
/TA
OUT
pin remains set to the input mode until the direction
register is set to the output mode during reset and after
reset.
Port P5
0
/TA
OUT
pin remains set to the output mode (“L” output) until
the direction register is set to the input mode during reset
and after reset.
PART NUMBERING
Fig. 3 Part numbering
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