HD66724 Datasheet, PDF (50/117 Pages) Hitachi Semiconductor – (Graphics LCD Controller/Driver with Key Scan Function)

HD66724/HD66725
Write Data to RAM
WD7-0 : Writes 8-bit data to DDRAM and CGRAM lower 2-bit data to SEGRAM. DDRAM/ CGRAM/
SEGRAM is selected by the previous specification of the RM 1/0bit. After a write, the address is
automatically incremented or decremented by 1 according to the I/D bit setting in the entry mode set
instruction. During the sleep and standby modes, DDRAM, CGRAM, or SEGRAM cannot be accessed.
R/W RS DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 1 WD7 WD6 WD5 WD4 WD3 WD2 WD1 WD0
Figure 22 Write Data to RAM Instruction
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