SED1330F Datasheet, PDF (98/148 Pages) List of Unclassifed Manufacturers – LCD Controller ICs

6.0 Character Generator
6.2 CG Memory Allocation
Since the SED1335F/1336F uses 8-bit character
codes, it can handle no more than 256 characters at
a time. However, if a wider range of characters is
6.2
required, character generator memory can be bank-
switched using the CGRAM ADR command.
Basic CG space
(256 characters,
8 × 16 pixels max.)
Built–in CG ROM
(160 characters,
5 × 7 pixels max.)
CG RAM n
CG RAM 2
M0 = 1
CG RAM
SAG
CG RAM 1
(64 characters max, 8 × 16 pixels max)
M0 = 1
CG RAM
CG ROM
256 characters max.
M1 = 0
Built-in CG ROM
(160 characters,
5 × 7 pixels max.)
256 characters max.
M1 = 0
CG RAM n
CG RAM 2
CG ROM
CG RAM
ADR
CG RAM 1
(64 characters max, 8 × 16 pixels max)
Note that there can be no more than 64 characters per bank.
Figure 64. Internal and external character mapping
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