HD66724 Datasheet, PDF (32/117 Pages) Hitachi Semiconductor – (Graphics LCD Controller/Driver with Key Scan Function)

HD66724/HD66725
Modifying Character Patterns
Character Pattern Development Procedure
User
Start
Determine character
patterns
Create EPROM
address data listing
Write EPROM
EPROM → Hitachi
Hitachi
Computer processing
Create character pattern listing
Evaluate character patterns
No
Yes
OK ?
Art work
Masking
Trial
Sample
Sample evaluation
No
OK ?
Yes
Mass production
Figure 2 Character Pattern Development Procedure
32