Technical information

5
MITSUBISHI MICROCOMPUTERS
3806 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Function
• 8-bit I/O port with the same function as port P0
• CMOS compatible input level
• N-channel open-drain output structure
• 8-bit CMOS I/O port with the same function as port P0
• CMOS compatible input level
• CMOS 3-state output structure
Pin
P70/SIN2,
P71/SOUT2,
P72/SCLK2,
_____
P73/SRDY2
P74 – P77
P80 – P87
Name
I/O port P7
I/O port P8
Function except a port function
• Serial I/O2 I/O pins
PIN DESCRIPTION (Continued)
M3806 3 M 6 - XXX FP
Product
Package type
FP : 80P6N-A package
GP : 80P6S-A package
FS : 80D0 package
ROM number
Omitted in some types.
ROM/PROM size
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
: 4096 bytes
: 8192 bytes
: 12288 bytes
: 16384 bytes
: 20480 bytes
: 24576 bytes
: 28672 bytes
: 32768 bytes
: 36864 bytes
: 40960 bytes
: 45056 bytes
: 49152 bytes
: 53248 bytes
: 57344 bytes
: 61440 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
Normally, using hyphen
When electrical characteristic, or division of quality
identification code using alphanumeric character
– : standard
D : Extended operating temperature version
A : High-speed version
PART NUMBERING