CS4630

2

DS445PP1

TABLE OF CONTENTS

1. CHARACTERISTICS/SPECIFICATIONS .................................................. 4

ABSOLUTE MAXIMUM RATINGS ........................................................................................... 4

RECOMMENDED OPERATING CONDITIONS ....................................................................... 4

AC CHARACTERISTICS (PCI SIGNAL PINS ONLY) .............................................................. 5

DC CHARACTERISTICS.......................................................................................................... 6

PCI INTERFACE PINS ............................................................................................................. 7

AC ’97 SERIAL INTERFACE TIMING ...................................................................................... 8

ZV PORT TIMING..................................................................................................................... 9

INDEPENDENT TIMING ENVIRONMENT ............................................................................. 10

EEPROM TIMING CHARACTERISTICS................................................................................ 11

2. OVERVIEW ................................................................................................... 12

2.1 Stream Processor DSP Core ........................................................................................... 13

2.2 Legacy Support ................................................................................................................ 13

3. SYSTEM ARCHITECTURES ...................................................................... 14

4. HOST INTERFACE ...................................................................................... 15

4.1 PCI bus Transactions .......................................................................................................15

4.2 Configuration Space ........................................................................................................17

4.3 Subsystem Vendor ID Fields ........................................................................................... 19

4.4 Dynamic Config Register ................................................................................................. 19

4.5 Interrupt Signal ................................................................................................................ 19

5. SERIAL PORT CONFIGURATIONS ......................................................... 20

6. GAME PORT ................................................................................................. 22

6.1 MIDI Port .......................................................................................................................... 22

6.2 Joystick Port ..................................................................................................................... 22

7. EEPROM INTERFACE ................................................................................ 23

8. GENERAL PURPOSE I/O PINS .................................................................. 24

8.1 EGPIO ............................................................................................................................. 24

9. ZV PORT SERIAL INTERFACE ................................................................ 24

Contacting Cirrus Logic Support

For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:

http://www.cirrus.com/corporate/contacts/

CCLS, SLIMD, and CrystalClear are trademarks of Cirrus Logic, Inc.

DirectInput and DirectX are trademarks of Microsoft Corporation.

DirectSound, DirectSound3D, Windows 98 and Windows 2000 are registered trademarks of Microsoft Corporation.

EAX is a trademark of Creative Technology, Ltd.

Intel is a registered trademark of Intel.

NetMeeting is a trademark of Microsoft Corporation.

Sensaura is a trademark of Sensaura, Inc.

Sound Blaster Pro is a trademark of Creative Technology, Ltd.

SoundFusion is a registered trademark of Cirrus Logic, Inc.

All other names are trademarks, registered trademarks, or service marks of their respective companies.

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance prod-

uct information describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure

that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided

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