User Manual

HD44780U
14
Determine
character patterns
Create EPROM
address data listing
Write EPROM
EPROM → Hitachi
Computer
processing
Create character
pattern listing
Evaluate
character
patterns
OK?
Art work
Sample
evaluation
OK?
Masking
Trial
Sample
No
Yes
No
Yes
M/T
1
3
2
4
5
6
Note: For a description of the numbers used in this figure, refer to the preceding page.
UserHitachi
Mass
production
Start
Figure 7 Character Pattern Development Procedure