M37221M6_03 Datasheet, PDF (59/62 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
GZZ–SH09–46B< 52B0 >
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37221M6-XXXSP
MITSUBISHI ELECTRIC
The structure of character ROM (divided of 12 !16 dots font)
Example
Character code
“1A16”
(Note)
Write the character code “00 16” to “7F16”
to addreses 10000 16 to 10FFF16.
Write the character code “80 16” to “FF16”
to addreses 11000 16 to 11FFF16.
Character
ROM1
⇐
Example
101A016 ^{b7 b6 b5 b4 b3 b2 b1 b0}
0
to
1
101AF16
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0016
0416
0416
0A16
0A16
1116
1116
1116
2016
2016
3F16
4016
4016
4016
0016
0016
Character
ROM2
Example
109A016 ^{b7 b6 b5 b4 b3 b2 b1 b0}
0
to
1
109AF16
2
3
4
5
6
7
F16
8
9
A
B
C
D
E
F
F016
F016
F016
F016
F016
F016
F016
F016
F816
F816
F816
F416
F416
F416
F016
F016
(3/3)
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