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APPENDIX
6.11 Mask ROM ordering method
GZZ–SH09–72B <56B0 >
Writing the product name and character ROM data onto EPROMs
Addresses 0000
16
If the name of the product contained in the EPROMs does not match the name on the mask ROM confirmation form,
the ROM processing is disabled. Write the data correctly.
1.
Inputting the name of the product with the ASCII code
ASCII codes 'M37220M3-' are listed on the right.
The addresses and data are in hexadecimal notation.
2.
Inputting the character ROM
Input the character ROM data by dividing it into character ROM1 and character ROM2. For the character ROM data,
see the next page and on.
6-78
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37220M3-XXXSP
MITSUBISHI ELECTRIC
to 000F
store the product name, and addresses 10000
16
7220 Group User's Manual
to 10FFF
16
Address
0000
'M' =
4 D
16
'3' = 3 3
0001
16
'7' = 3 7
0002
16
0003
'2' = 3 2
16
'2' = 3 2
0004
16
'0' = 3 0
0005
16
'M' = 4 D
0006
16
'3' = 3 3
0007
16
(2/3)
store the character pattern.
16
Address
0008
'–' =
2 D
16
16
16
0009
F F
16
16
16
000A
F F
16
16
16
000B
F F
16
16
16
000C
F F
16
16
16
000D
F F
16
16
16
000E
F F
16
16
16
000F
F F
16
16
16
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