Imagine 128 Series 2 (I128S2) Functional Unit; Figure 4-1 I128S2 Block Diagram - Rastergraf VFX-M User Manual

Rastergraf

4.2 Imagine 128 Series 2 (I128S2) Functional Unit

Note
The I128S2 Technical Manual is available from Rastergraf under NDA..
Looking at the Block Diagram, there are eight components of the I128S2:
• PCI Bus Interface
• Memory Controller
• CRT Controller
• VGA Core
• Aperture Controller
• Display List Processor
• Drawing Engine
• Copy Engine
Of these, the PCI Bus Interface, Memory and CRT controllers, and VGA
Core are covered in this Section. The Aperture Controller, Display List
Processor, Drawing Engine, and Copy Engine are I128S2 internal units
and are covered in the I128S2 Technical Manual.
AD[31:0]
BE[3:0]
CNTRL[6:0]
HBCLK
RST
Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com

Figure 4-1 I128S2 Block Diagram

Linear
W indows
Controller
Display
List
Processor
Host Bus
Drawing
Interface
Engine
Copy
Engine
VGA
DRAS[1:0]
VRAS[1:0]
CAS[15:0]
RADR[9:0]
W E
W RAS
M em ory
Controller W CAS
W WE
W ADR[9:0]
SF
MCLK
PXD[127:0]
W ID[15:0]
Hsync
Vsync
DRAM /CRT Blank
CRTclk
Controller
Sclk
DAC[31:0]
Troubleshooting 4-3