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CS4630 데이터시트 PDF




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PDF 형식의 CS4630 자료 제공

부품번호 CS4630 기능
기능 CrystalClear SoundFusion PCI Audio Accelerator
제조업체 Cirrus Logic
로고 Cirrus Logic 로고


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CS4630 데이터시트, 핀배열, 회로
CS4630
CrystalClearSoundFusion® PCI Audio Accelerator
Features
l 420 MIPs SLIMDDSP Architecture with
increased internal memory for greater
performance
l Hardware acceleration for Microsoft
DirectSound® and DirectSound3D®
Positional Audio
l Sensaura™ 3-D, 2 or 4 channel audio
l EAX™ 1.0 enhanced environmental audio
standard
l Unlimited-Voice Wavetable Synthesis with
Effects including DLS support
l Acoustic Echo Cancellation Hardware
Acceleration for NetMeeting
l 10 Band Graphic Equalization
l High Quality Hardware Sample Rate
Conversion (90+ dB Dynamic Range)
l PC/PCI, DDMA, and CrystalClear Legacy
Support (CCLS)
l PCI 2.1 Compliant PCI Interface
l Full duplex, 128 Stream DMA Interface with
Hardware Scatter/Gather Support
l PCI Power Management (D0 through
D3cold), APM 1.2, and ACPI 1.0
l Power Management Event (PME#)
Generation within D0-D3cold
l Dual AC ‘97 2.1 Codec Interface
l Asynchronous Digital Serial
Interface (ZV Port)
l S/PDIF Digital Input and Output
support for PCM and AC3
encoded 5.1 Channel Formats
l DirectInputJoystick and MPU-
401 MIDI In/Out
PCI
Interface
l 3.3 V / 2.5 V Power Supply (5 V
tolerant I/O)
l PC 98 and PC 99 Compliant
Description
The CS4630 is a high performance upgrade to the
CS4624 PCI audio accelerator. With support for legacy
compatibility modes, the CS4630 enables real mode
DOS compatibility within PCI-only audio subsystems.
This device, combined with application and driver
software, provides a complete system solution for
hardware acceleration of Microsoft’s DirectSound,
DirectSound3D, DirectInput, and Wavetable Synthesis.
WDM drivers provide support for both Windows 98® and
Windows 2000®.
The CS4630 is based on the Cirrus Logic CrystalClear
Stream Processor (SP) DSP core. The SP core is
optimized for digital audio processing, and is powerful
enough to handle complex signal processing tasks such
as Sensaura 3D, 4-channel output, and hardware
wavetable synthesis. The SP core is supported by a bus
mastering PCI interface and a built-in dedicated DMA
engine with hardware scatter-gather support. These
support functions ensure extremely efficient transfer of
audio data streams to and from host-based memory
buffers, providing a system solution with maximum
performance and minimal host CPU loading.
ORDERING INFORMATION
CS4630-CM 128-pin MQFP 14x20x2.85 mm
128-Stream
DMA Controller
with Hardware
Scatter/Gather
PC/PCI &
CCLS Legacy
MPU-401
MIDI Interface
Joystick
In te rfa c e
Parameter
RAM
Sample
RAM
Program SLIMD
RAM SP Core
Program
ROM
Coefficient
ROM
Dual Codec
AC ’97 2.1
Interface
EGPIO
S/PDIF In
S/PDIF Out
ZV Port
Async. Serial
Port Interface
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 1999
(All Rights Reserved)
NOV ‘99
DS445PP1
1




CS4630 pdf, 반도체, 판매, 대치품
CS4630
1. CHARACTERISTICS/SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS PCIGND = CGND = CRYGND = 0 V, all voltages
with respect to 0 V)
Power Supplies
Parameter
Total Power Dissipation
Input Current per Pin, DC (Except supply pins)
Output current per pin, DC
Input voltage
Ambient temperature (power applied)
Storage temperature
Symbol Min Typ Max
PCIVDD
CVDD
CRYVDD
VDD5REF
-
-
-
-
- 4.6
- TBD
- 4.6
- 5.5
(Note 1)
- - TBD
- - TBD
- - TBD
(Note 2)
TBD - TBD
(Note 3)
-45 -
85
-55 - 150
Unit
V
V
V
V
W
mA
mA
V
°C
°C
Notes: 1. Includes all power generated by AC and/or DC output loading.
2. The power supply pins are at recommended maximum values. XTALI & XTALO are at 3.6 V maximum.
3. At ambient temperatures above 70° C, total power dissipation must be limited to less than 0.4 Watts.
WARNING: Operation beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS (PCIGND = CGND = CRYGND = 0 V,
all voltages with respect to 0 V)
Power Supplies
Parameter
Internal DSP Frequency
Operating Ambient Temperature
Symbol
PCIVDD
CVDD
CRYVDD
VDD5REF
CS4630
TA
Min
3
2.25
3
3/4.75
-
0
Typ
3.3
2.5
3.3
3.3/5
-
25
Max
3.6
2.75
3.6
3.6/5.25
140
70
Unit
V
V
V
V
MHz
°C
Specifications are subject to change without notice.
4 DS445PP1

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CS4630 전자부품, 판매, 대치품
CS4630
PCI INTERFACE PINS (TA =0° to 70° C; PCIVDD = CRYVDD = 3.3 V; CVDD = 2.5 V; VDD5REF = 5 V;
PCIGND = CGND = CRYGND = 0 V; Logic 0 = 0 V, Logic 1 = 3.3 V; Timing reference levels = 1.4 V)
Parameter
PCICLK cycle time
PCICLK high time
PCICLK low time
PCICLK to signal valid delay - bused signals
(Note 18)
PCICLK to signal valid delay - point to point
(Note 18)
Float to active delay
(Note 15)
Active to Float delay
(Note 15)
Input Set up Time to PCICLK - bused signals (Note 18)
Input Set up Time to PCICLK - point to point
(Note 18)
Input hold time for PCICLK
Reset active time after PCICLK stable
(Note 16)
Reset active to output float delay
(Notes 15, 16, 17)
Symbol
tcyc
thigh
tlow
tval
tval(p+p)
ton
toff
tsu
tsu(p+p)
th
trst-clk
trst-off
Min
30
11
11
2
2
1
-
7
10, 12
0
100
-
Max
-
-
-
11
12
-
28
-
-
-
-
30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
Notes: 15. For Active/Float measurements, the Hi-Z or “off” state is when the total current delivered is less than or
equal to the leakage current. Specification is guaranteed by design, not production tested.
16. RST# is asserted and de-asserted asynchronously with respect to PCICLK.
17. All output drivers are asynchronously floated when RST# is active.
18. REQ# and GNT# are point to point signals. All other PCI signals are considered bused signals.
PCICLK
RST#
DS445PP1
t rst-clk
OUTPUTS
Hi-Z
OUTPUTS
Valid
t on
t val
t off
t su
INPUTS
Valid
Input
th
t rst-off
Figure 2. PCI Timing Measurement Conditions
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
CS4630

CrystalClear SoundFusion PCI Audio Accelerator

Cirrus Logic
Cirrus Logic

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