CS98100 Cirrus Logic, Inc., CS98100 Datasheet - Page 17

• Manufacturer Part Number: CS98100
• Description: DVD Video Processor With Progressive Scan
• Manufacturer: Cirrus Logic, Inc.

2. TYPICAL APPLICATION
Figure 12
2.1
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RISC-32
Powerful 32-bit RISC processor
Optimizing C compiler and source level debug-
ger
Big or little endian data formats supported
MAC multiply/accumulate in two cycles with
C support.
4 Kbyte instruction cache, 2 Kbyte data cache.
Single cycle instructions run at 90 MHz.
DSP-32
Powerful 24/32-bit DSP processor
24-bit fixed point logic, with 54-bit accumula-
tor.
Single-cycle throughput, 2-cycle latency multi-
ply accumulate, 32-bit simple integer logic.
8 Kbyte instruction cache, 12 Kbyte program
visible local memory
Single cycle instructions run at 90 MHz.
SYSTEM CONTROLS
Include several hardware lockable semaphore
registers
General-purpose registers for inter-processor
CS98100 Device Summary
shows an example of a complete high-end DVD solution using the CS98100.
Audio
IR
(IO Channel,
DVD Loader
Front Panel
ATPAI or
Serial)
Audio
ADC
Figure 12. CS98100 Application
1/
FLASH
2
ROM/
-1MB
27M XTAL
CS98100
SDRAM
4-8MB
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(4)Audio
Power
Reg.
DACs
communication
32-bit timers for I/O and other uses, with pro-
grammable interval rates
Both hardware and software interrupts on data
or debug
Performance monitors which measures DRAM
bandwidth, usage, and RSK performance
Built in PLLs generate all required clocks from
27 MHz input clock.
Memory Controller
Supports SDRAM, and SGRAM, from 2
MBytes to 32 MBytes.
Supports multiple banks of FLASH and ROM
up to 32 MBytes.
32-bit data bus for DRAM, 8 or 16-bit data bus
for ROM.
DATA FLOW ENGINE
Two DMA controllers – local memory based
and direct memory-to-memory
2432 bytes of internal memory, DMA to/from
main RAM into local SRAM.
Supports endian conversion and byte, short,
Audio-
Component Video
Switch
S/PDIF
S-Video
Power
Up to 8 Channels
Composite Video
CS98100
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