cl-cr3430 Cirrus Logic, Inc., cl-cr3430 Datasheet - Page 3

• Manufacturer Part Number: cl-cr3430
• Manufacturer: Cirrus Logic, Inc.

CL-CR3430
ATAPI CD-ROM Decoder
ADVANTAGES
Unique Features
System
Block Diagram
CD-DSP data transfer rates up to 45 disc speed
Supports Ultra DMA/33 transfer rate of 33.3
Mbytes/sec., and ATA PIO Modes 3 and 4, DMA
Modes 1 and 2 transfer rates up to 16.6 Mbytes/sec.
Implements ADB (audio data buffering) interface in
CD-DA audio play mode
Register-compatible with Cirrus Logic CD-ROM
and CD-R/RW products
Supports Sony-Philips CD-ROM, CD-I, CD-TEXT,
and CD-DA (CD-Digital Audio) formats
Supports automatic target sector header search for
CD-ROM
Sector header validity check is done in hardware
during data transfer
Realtime subcode error correction in CD-DA mode
Realtime CD-ROM layered ECC error correction
with up to 64 programmable sets of P/Q-word
corrections per sector
Automated ATAPI packet and reset commands
SLED/TRACK/FOCUS
SPINDLE
3
DRIVERS
POWER
RF-AMP
• A/D, D/A
• EFM DEMOD.
• C1/C2
• ECO
• PLL
• CLV
• SERVO
• CLOCK GEN.
DSP
AUDIO
DAC
Benefits
Supports CD-ROM speeds above the current
industry requirements.
Enables transfer rates of the highest performance
systems.
No need to slow motor speed anywhere from 45 to
1 for audio data in CAV implementations.
Preserves existing firmware base, resulting in
quicker time to market.
Can be used in all implementations of CD
technology.
Improves performance and reduces firmware
requirements.
Exceeds advanced ECC requirements of state-of-
the-art CD-ROM designs for a variety of
media/performance combinations.
Improves system performance and lowers firmware
overhead.
FLASH
OTP
OR
• HOST I/F
• BUF. MGR.
• C3 ECC
(256-Kbyte)
DECODER
MEMORY
BUFFER
CD-ROM
C
INTERFACE
HOST
ATAPI