ES1946 datasheet(2/4 Pages) ETC

2 / 4 page

SAM0217-030601

ESS Technology, Inc.

ES1946 PRODUCT BRIEF

BLOCK DIAGRAM

Figure 1 shows the ES1946 block diagram.

Figure 1 ES1946 Block Diagram.

PINOUT

Figure 2 shows the ES1946 pinout diagram.

Figure 2 ES1946 Pinout Diagram

OUTPUT VOLUME

AND MUTE CONTROL

RECORD MONITOR

AOUT_L

LINE_R

LINE_L

CIN_R

CIN_L

FOUT_L

FOUT_R

VDDA

GNDA

MIC

CMR

AUXA_R

AUXA_L

MONO_OUT

SW(A-D)

FRAMEB

SECLK

SEDO / IISLR

IRDYB

AD[31:0]

T(A-D)

PAR

SIRQ

AOUT_R

MSO

MSI

ANALOG SUBSYSTEMS

MICROCONTROLLER

ROM

SID AND SVID

CONFIGURATION

MPU-401 SERIAL

PORT AND FIFOs

DATA BUFFER WITH

256 BYTE FIFO

REF GEN

ESFM FM MUSIC

SYNTHESIZER

AND

RAM

INTAB

AUXB_R

AUXB_L

CLOCK

GENERATOR

AND TIMER

DUAL

GAME PORT

HARDWARE

VOLUME

CONTROL

16-BIT STEREO

GAME DAC/ADC

16-BIT STEREO

MUSIC DAC

PCI BUS

INTERFACE

RECORDING

SOURCE

AND INPUT

VOLUME

CONTROL

STEREO

PROGRAMMABLE

MIXER

PCSPKI

MONO_IN

CAP3D

PCSPKO

3D PROCESSOR*

PC SPEAKER

VOLUME CTRL

16-BIT STEREO

SYSTEM DAC

STOPB

TRDYB

VOLUP / SEDI

VOLDN / SECS

IDSEL

DEVSELB

GNTB

REQB

LOCKB

PCPCIREQB

CLKRUNB

PCPCIGNTB

PCLK

PRSTB

CBE[3:0]B

MSD / IISDATA

MCLK / IISCLK

WAVETABLE

SERIAL PORT

I2S ZOOM

VIDEO PORT

* 3D Processor uses

Spatializer VBX 3D technology

provided by Desper Products, Inc. a subsidiary of

Spatializer Audio Laboratories, Inc.

AOUT_L

LINE_R

LINE_L

CIN_R

CIN_L

FOUT_L

FOUT_R

VDDA

CAP3D

GNDA

MIC

CMR

AUXA_R

AUXA_L

AUXB_R

AUXB_L

SWA

SWB

SWC

SWD

GNDD

AD22

AD21

AD20

AD19

AD18

AD17

AD16

CBE2B

FRAMEB

IRDYB

TRDYB

DEVSELB

STOPB

LOCKB

PAR

CBE1B

AD15

AD14

GNDD

AD24

CBE3B

IDSEL

AD23

VDDD

100

MONO_IN

ES1946S

100-Pin LQFP

ES1946 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

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