Table of Contents
Advertisement
GZZ–SH10–46B <5ZA0 >
SERIES MELPS 740 MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37221MA-XXXSP
Writing the product name and character ROM data onto EPROMs
Addresses 0000
to 000F
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 'M37221MA-' 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.
MITSUBISHI ELECTRIC
store the product name, and addresses 10000
16
7220 Group User's Manual
6.11 Mask ROM ordering method
to 11FFF
16
Address
'M' =
0000
4 D
16
'3' = 3 3
0001
16
0002
'7' = 3 7
16
'2' = 3 2
0003
16
'2' = 3 2
0004
16
'1' = 3 1
0005
16
'M' = 4 D
0006
16
'A' = 4 1
0007
16
(2/3)
APPENDIX
store the character pattern.
16
Address
'–' =
0008
2 D
16
16
0009
F F
16
16
000A
F F
16
16
000B
F F
16
16
000C
F F
16
16
000D
F F
16
16
000E
F F
16
16
000F
F F
16
16
16
16
16
16
16
16
16
16
6-75
Advertisement
Table of Contents
