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7220 Datasheet, PDF (295/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER | |||
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APPENDIX
6.11 Mask ROM ordering method
GZZâSH10â46B< 5ZA0 >
SERIES MELPS 740 MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37221MA-XXXSP
MITSUBISHI ELECTRIC
The structure of character ROM (divided of 12 !16 dots font)
Example
Character code
â1A16â
(Note)
Write the character code â00 16â to â7F16â
to addresses 10000 16 to 10FFF16.
Write the character code â80 16â to âFF16â
to addresses 11000 16 to 11FFF16.
Character
ROM1
Character
ROM2
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
0 016
0 416
0 416
0A16
0A16
1 116
1 116
1 116
2 016
2 016
3 F16
4 016
4 016
4 016
0 016
0 016
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
6-76
(3/3)
7220 Group Userâs Manual
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