CS4237B-KQ Cirrus Logic, Inc., CS4237B-KQ Datasheet

CS4237B-KQ

Manufacturer Part Number

CS4237B-KQ

Description

Manufacturer

Cirrus Logic, Inc.

Datasheets

1.CS4237B-KQ.pdf (114 pages)

2.CS4237B-KQ.pdf (114 pages)

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Advanced Product Information

Cirrus Logic, Inc.

P.O. Box 17847, Austin, TX 78760

(512) 445 7222 Fax: (512) 445 7581

http://www.cirrus.com

CrystalClear

DACK<A:C>

DRQ<A:C>

SA<12:15>

IOCHRDY

IRQ<A:F>

SA<11:0>

(CDROM)

(Modem)

Integrated SRS

Compatible with Sound Blaster

Pro

Advanced MPC3-Compliant Input and Output Mixer

Enhanced Stereo Full Duplex Operation

Dual Type-F DMA Support

Industry Leading Delta-Sigma Data Converters

Fully Plug-and-Play ISA Compatible

3.3 V or 5 V ISA Bus Operation

Programmable Power Management

Hardware Master Volume Control

Enhanced Digital Gameport

CS9236 Wavetable Digital Audio Interface

MPU-401 MIDI Interface

Consumer IEC-958 Digital Output (S/PDIF)

CS4236/CS4232/CS4231 Register Compatible

SD<7:0>

AEN

IOW

IOR

, and Windows Sound System

XTALI

OSCILLATOR

CD-ROM, Modem, or

Upper Address Bits

INTERFACE

CODEC

Decode

PLUG

PLAY

AND

BUS

Logic

REG

ISA

XTALO

I/F

Config

DMA

IRQ

VREF REFFLT

SERIAL

SHIFT

3D Sound Technology

VREF

JOYSTICK

DIGITAL/

ANALOG

LOGIC

Advanced Audio System with 3D Sound

LINEAR

A-LAW

ADPCM

-LAW

LINEAR

A-LAW

ADPCM

-LAW

Synthesizer

, Sound Blaster

SERIAL PORT

WAVETABLE

CS9236

SERIAL

PORT

This document contains information for a new product. Cirrus

Logic, Inc. reserves the right to modify this product without notice.

Attenuation

Loopback

Monitor

DSP SERIAL

DIGITAL

SERIAL

MIXER

PORT

DSP

PORT

L/RFILT

S/PDIF

General Description

The CS4237B is a single chip multimedia audio system

that provides compatibility with the Microsoft Windows

Sound System standard and will run software written to

the Sound Blaster and Sound Blaster Pro interfaces.

The CS4237B is fully compliant with Microsoft’s PC’ 97

and WHQL audio requirements. The product includes

an internal FM synthesizer and Plug-and-Play external

interfaces for Wavetable, CD-ROM, and modem de-

vices. In addition, the CS4237B includes hardware

master volume control pins as well as extensive power

management and SRS 3D sound technology.

ORDERING INFORMATION:

GAIN

CS4237B-KQ

CS4237B-JQ

INPUT MIXER

MPU-401

Cirrus Logic, Inc. 1997

FIFOS

UART

MIDI

with

OUTPUT MIXER

SCS/

Synth. Interface

Volume Control

or Hardware

DOWN

SINT/

GAIN

100 pin TQFP, 14x14x1.4mm

CS4237B

MUTE

Registers

SBPRO

WSS

GAIN

Peripherals

EEPROM

Interface

BRESET

ATTN.

GAIN

DS213PP4

SEP ’97

L/RLINE

L/RAUX1

L/RAUX2

CMAUX2

L/RMIC

MIN

MOUT

L/ROUT

XIOW

XIOR

XD<7:0>

XA<2:0>

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