11-6 Chapter 11: APA Customer Display Interface
Display Control Bits
Display Control
Bit
Description
0 DDRAMDisplay0selectedforhostcommunications
(default)
H
1 DDRAMDisplay1selectedforhostcommunications
0 DDRAMDisplay0imagedisplayed(default)
D
1 DDRAMDisplay1imagedisplayed
0,0DDRAMPage0selectedforhostcommunications
(default)
0,1 DDRAMPage1selectedforhostcommunications
1,0 DDRAMPage2selectedforhostcommunications
P1,
P0
1,1 DDRAMPage3selectedforhostcommunications
0 Monochromedisplaymodeselected(default)
G
1 Grayscaledisplaymodeselected
0 XARandYARincrementafteradatawrite(default)
I/G
1 XARandYARdecrementafteradatawrite
Note: P1andP0areautomaticallyclearedifGislow.