CS98000 Cirrus Logic, Inc., CS98000 Datasheet - Page 19

• Manufacturer Part Number: CS98000
• Description: DVD Video Processor
• Manufacturer: Cirrus Logic, Inc.

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3.2.4
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3.2.5
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3.2.6
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3.2.7
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3.2.8
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3.2.9
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3.2.10
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Both hardware and software interrupts on data or
debug
Built in PLLs generate all required clocks from
27 Mhz input clock
Supports SDRAM, and SGRAM, from 2 Mbytes to
32 Mbytes
Supports multiple banks of FLASH and ROM up to
16 Mbytes
32-bit data bus for DRAM, 8 or 16-bit data bus for
ROM
2432 bytes of internal memory
DMA to/from main RAM into local SRAM
Supports endian conversion and byte, short, long
data formats on DMA
Supports block transfers for graphics bit blits
Supports VCD, VCD 3.0, SVCD, DVD video stan-
dards
Supports trick features, including smooth 2x play
and reverse play
Special anti-tearing logic controls picture decode
and presentation
Advanced error concealment hardware
System time clock (STC) for audio/video synchroni-
zation
Flexible interrupt structure for controlling decode
and presentation times
Hardware scheduling of subpicture and highlight
events
Supports PCM, I
96 KHz output rate
8 output channels, 2 input channels
NTSC/PAL video decoder input interface
Built in variable down scaling, handles CCIR 601 to
QCIF input formats
Video input image can be displayed in small win-
dow, or as main picture
Serial I
Memory Controller
Data Flow Engine
MPEG Video Decoder
System Synchronization
Audio Interface
Video Input
External Interface
2
C ® master and slave port
2
S and IEC-958 outputs at up to
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3.2.11
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3.2.12
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29 independent fully programmable bi-directional
I/O pins
8 edge or level detection interrupt pins
Hardware assisted support for infrared remote de-
vices, such as remote control, infrared keyboard,
mouse, printer, and more
Programmable parallel host master and slave inter-
face supports many formats including ATAPI, ISA,
and more
IO channel interface supports standard DVD loader
protocols
Serial interface supports AC-97 and other standard
MODEM CODEC protocols
Supports 24-bit 4:2:0 and 4:2:2 video modes and
16-bit true color graphics modes.
On screen display module supports 2-bit, 4-bit, or 8-
bit pixel modes, while supporting 3 separate regions
and 16 transparency overlay levels
Picture-in-picture module includes horizontal and
vertical downscaling with programmable output siz-
es, positions, and borders
Overlay mixer with RGB to YUV conversion and
output formatting
Supports 4:2:0, 4:2:2, YUV655, RGB565 and
RGB555 frame buffer inputs
Outputs 4:2:2 video in CCIR-601 or CCIR-656 for-
mat
High quality scaling using a vertical and a horizontal
16 taps polyphase programmable filter and sup-
ports any size image up to 768x576
Programmable sharpening and de-blocking filters
5 taps programmable adaptative anti-flicker filtering
for graphics source
Master or Slave video sync configuration
Multiple video plains overlay (main video / video in-
put / picture_in_picture / picture/on_screen / dis-
play/cursor)
Gamma correction
Run-length decode DVD sub-pictures and SVCD
OGT formats
Hardware vertical scaling supports NTSC-PAL for-
mat conversion
16-level alpha blending
Provides hardware cursor mode for non-DVD appli-
cations
Video Processor
Sub-Picture Processor
CS98000
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