HD66420 Datasheet, PDF (11/52 Pages) Hitachi Semiconductor – (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

HD66420
CS
RS
WR
RD
DB7 to
DB0
Data
Data
Data
Data
Data
Data
Write index
register
Write data
register
Write data
register
Write index Read data Read data
register
register
register
Figure 3 8-Bit Data Transfer Sequence
11