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Display Interface
11-5
Power 9100 User Interface Controller
11.2
Power 9100 User Interface Controller
The WEITEK Power 9100 User Interface Controller is an accelerated 2-D
graphics processor which supports draw, fill, and bit block-transfer
operations at the full speed of the page-mode VRAM employed in
SPARCbook 3. Its operation is controlled by via internal registers and by
command sent over the host interface bus. It operates as a SBus slave.
The Power 9100 contains the following functional units:
•
Parameter engine
•
Drawing engine
•
Host interface
•
Frame buffer controller
•
Video controller
Figure 11-3 Weitek Power 9100 Block Diagram
Bus
Interface
RGB Video/Syncs
Power 9100
RAMDAC
VRAM
(Frame Buffer)
External Display
SVGA
Video/Sync
Parameter
Engine
Drawing
Engine
Internal Display
Digital Video
VRAM
Control/
Refresh
S3GX_TRMBook Page 5 Friday, September 19, 1997 11:39 am
Summary of Contents for SPARCbook 3 series
Page 8: ...viii S3GX_TRMBook Page viii Friday September 19 1997 11 39 am...
Page 44: ...2 16 The SPARC CPU SBus Controller S3GX_TRMBook Page 16 Friday September 19 1997 11 39 am...
Page 76: ...5 8 SCSI Controller DMA Support S3GX_TRMBook Page 8 Friday September 19 1997 11 39 am...
Page 146: ...9 28 MODEM Class 2 Fax Command Set S3GX_TRMBook Page 28 Friday September 19 1997 11 39 am...
Page 180: ...11 30 Display Interface RAMDAC S3GX_TRMBook Page 30 Friday September 19 1997 11 39 am...
Page 216: ...Index vi S3GX_TRMBook Page vi Friday September 19 1997 11 39 am...