SSD1852Z datasheet(39/55 Pages) ETC

39 / 55 page

SSD1852

Rev 1.0

01/2003

SOLOMON

9.35 Enable DMA mode

This command enables the DMA mode. The column address will be incremented by each

data access returning to pre-set start column address once overflow (> end column address).

The page address will be incremented by column address overflow. The start column address,

end column address, start page address and end page address should set to 0,127,0,15

respectively before disable DMA mode.

9.36 Set Start/End Column and Page address in DMA mode

This command set the column and page address parameter in DMA mode. The page

address and column address should set to start page address and start column address after

set start/end column and page address.

Figure 12 - Sequence for setting the DMA mode.

Figure 13 - Sequence for disable the DMA mode.

Enable DMA mode (F4H, 05H)

Set Start/End Column and Page address

e.g. 84H, 10H, 01H, 60H, 0CH

(start column address = 16, start page address = 1,

end column address = 96, end page address = 12)

Set page and column address

e.g. B1H, 11H, 00H

(page address = 1, column address = 16)

Available write the data to GDDRAM

Disable DMA mode (F4H, 01H)

Reset Start/End Column and Page address

e.g. 84H, 00H, 00H, 7FH, 0FH

(start column address = 0, start page address = 0,

end column address = 127, end page address = 15)

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