HD66727 Datasheet, PDF (26/97 Pages) Hitachi Semiconductor – Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

HD66727
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
Yes
OK ?
Mass production
Figure 4 Character Pattern Development Procedure
26