CS98200-CB Cirrus Logic, Inc., CS98200-CB Datasheet - Page 26
CS98200-CB
Manufacturer Part Number
CS98200-CB
Description
New Highly-integrated Processor for Tommorrow DVD Players and DVD Receivers
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS98200-CB.pdf
(60 pages)
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CS98200
Next Generation DVD Processor
4. CS98200 DEVICE SUMMARY
4.1
The CS98200 block diagram is shown in
4.2
4.2.1
• Two Powerful 32-bit RISC processors (RISC0
• Virtual memory support
• Optimizing C compiler
• Big or little endian data formats support
• MAC multiply/accumulate in 2 cycles with
• 4 Kbyte instruction cache, 2 Kbyte data
• Single cycle instructions, runs at 180 Mhz
4.2.2
• Powerful 24/32-bit DSP processor
• 24-bit fixed point logic, with 54-bit accumu-
• Single-cycle throughput, 2-cycle latency
• Single cycle instructions, runs at 180 Mhz
26
and RISC1), Generation III
C support
cache
lator
multiply accumulate, 32-bit simple integer
logic. 8-Kbyte instruction cache
Block Diagram
CS98200 Device Details
RISC-32 Processors
Powerful 24/32-Bit DSP
Copyright 2002 Cirrus Logic (All Rights Reserved)
Figure 20. CS98200 Block Diagram
RISC0
(Navigation
and Control
Audio, SDRAM)
PCM, SPDIF
DMA Control
AUDIO DSP
(BitBlt, CSS)
PLL
Graphics
Interface
( Main,
Figure
)
Mem Control
(SDRAM,ROM)
(Application)
20.
RISC1
• Expanded 4 Kbyte X + 16 KByte Y paged
4.2.3
• Includes several hardware lockable sema-
• General-purpose register for inter-processor
• 32-bit timers for I/O and other uses, with
• Both hardware and software interrupts on
• Built in PLLs generate all required clocks
4.2.4
• Supports standard SDRAM and SGRAM,
• Includes a separate dedicated DRAM clock,
program visible local memory, Total data
RAM = 20 KBytes
phore registers
communication
programmable interval rates
data or debug
from 27 Mhz input clock
32-bit data mode only, from 4 MByte to 32
MByte
so memory can run asynchronous to the sys-
tem clock
(I/O, Scale, PIP, Mix)
2/4/8/16 Bit OSD
Video Processor
MPEG2 Video
Host Interface
(ATAPI,AV,ISA)
SubPicture
External IO
(GPIO, IR)
Registers
Decoder
Decoder
System Controls
Memory Controller
t
DS581PP2
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