HD44780U Datasheet, PDF (14/59 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Display Controller/Driver

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