S1D13700 Epson Electronics America, Inc., S1D13700 Datasheet - Page 84

• Manufacturer Part Number: S1D13700
• Description: LCD Controller ICs
• Manufacturer: Epson Electronics America, Inc.

APPLICATION NOTES
The S1D13305 series layered screens and flexible scroll-
ing facilities support a range of display functions and
reduces the load on the controlling microprocessor when
displaying underlining, inverse display, text overlaid on
graphics or simple animation.
These facilities are supported by the S1D13305 series
ability to divide display memory into up to four different
areas.
78
Character code table
• Contains character codes for text display
• Each character requires 8 bits
• Table mapping can be changed by using the scroll
Graphics data table
• Contains graphics bitmaps
• Word length is 8 bits
• Table mapping can be changed
start function
EPSON
CG RAM table
• Character generator memory can be modified by
• Character sizes up to 8
• Maximum of 64 characters
• Table mapping can be changed
CG ROM table
• Used when the internal character generator is not
• Can be used in conjunction with the internal char-
• Character sizes up to 8
• Maximum of 256 characters
• Fixed mapping at F000H to FFFFH
the external microprocessor
character)
adequate
acter generator and external character generator
RAM
character)
16-pixels (16 bytes per
16-pixels (16 bytes per
S1D13305 Series
Technical Manual