MB86290A Datasheet, PDF (47/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

5.2.3 Display Parameters
The display field is specified according to the following parameters. Each
parameter is set independently at the respective register.
HDB
HSP
HTP
HDP
WY
HSW
WX
WW
WH
VSW
Display Parameters
HTP
HSP
HSW
HDP
HDB
VTR
VSP
VSW
VDP
WX
WY
WW
WH
Horizontal Total Pixels
Horizontal Synchronize pulse Position
Horizontal Synchronize pulse Width
Horizontal Display Period
Horizontal Display Boundary
Vertical Total Raster
Vertical Synchronize pulse Position
Vertical Synchronize pulse Width
Vertical Display Period
Window position X
Window position Y
Window Width
Window Height
When not splitting the screen, set HDP to HDB and display only the left side
of the screen. The settings must meet the following size relationship:
0 < HDB ≤ HDP < HSP < HSP + HSW + 1 < HTP
0 < VDP < VSP < VSP VSW + 1 < VTR
HDP − HDB > 4 (in direct color mode), 8 (in indirect color mode)
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