Product specifications

VT8601A Apollo PLE133
Revision 1.82 October 22, 2001 -iii- Table of Contents
Technologies, Inc.
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Attribute Controller Registers (AR)....................................................................................................................................................69
VGA Status / Enable Registers...........................................................................................................................................................69
VGA Sequencer Registers (SR)..........................................................................................................................................................70
VGA RAMDAC Registers.................................................................................................................................................................70
VGA Graphics Controller Registers (GR) ..........................................................................................................................................71
VGA CRT Controller Registers (CR)................................................................................................................................................72
VGA Extended Registers ........................................................................................................................................................73
VGA Extended Registers – Non-Indexed I/O Ports ............................................................................................................................73
VGA Extended Registers – Sequencer Indexed..................................................................................................................................74
VGA Extended Registers – Graphics Controller Indexed ...................................................................................................................84
VGA Extended Registers – CRT Controller Indexed..........................................................................................................................90
VGA Extended Registers – CRTC Shadow ......................................................................................................................................104
3D Graphics Engine Registers..............................................................................................................................................105
Operational Concept.........................................................................................................................................................................105
Drawing ...........................................................................................................................................................................................106
Geometry Primitives.........................................................................................................................................................................107
Synchronization................................................................................................................................................................................110
Functional Blocks.............................................................................................................................................................................110
Bus Interface....................................................................................................................................................................................110
Span Engine............................................................................................................................................................................111
Graphics Engine Core...........................................................................................................................................................112
Graphics Engine Organization..........................................................................................................................................................115
Setup Engine Registers.....................................................................................................................................................................116
Vertex Registers...............................................................................................................................................................................117
Rasterization Engine Registers .........................................................................................................................................................118
Pixel Engine Registers......................................................................................................................................................................125
Texture Engine Registers..................................................................................................................................................................131
Memory Interface Registers .............................................................................................................................................................133
Data Port Area..................................................................................................................................................................................133
FUNCTIONAL DESCRIPTIONS...................................................................................................................................................134
GRAPHICS CONTROLLER POWER MANAGEMENT......................................................................................................................134
Power Management States....................................................................................................................................................134
Power Management Clock Control .....................................................................................................................................134
Power Management Registers..............................................................................................................................................134
ELECTRICAL SPECIFICATIONS ...............................................................................................................................................135
ABSOLUTE MAXIMUM RATINGS ..................................................................................................................................................135
DC CHARACTERISTICS.................................................................................................................................................................135
POWER CHARACTERISTICS..........................................................................................................................................................136
AC T
IMING
S
PECIFICATIONS
.......................................................................................................................................................136
MECHANICAL SPECIFICATIONS .............................................................................................................................................137