Specifications

ESS Technology, Inc. SAM0023-122898 9
ES1869 DATA SHEET
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
This section shows the overall structure of the ES1869
and discusses its major functional subunits.
The major subunits of the ES1869 are shown in Figure 4
and described briefly in the following paragraphs.
Figure 4 ES1869 Block Diagram
AOUT
LINE
VDDA
GNDA
MIC
CMR
AUXA
SW(A-D)
IORB
MSD MCLK
AEN
A[15:0]
T(A-D)
MUTE
DRQ(A-C)
DACKB(A-C)
RESET
IOWB
XI XO
REF GEN
ISA
DUAL-GAME
IRQ(A-F)
VOLUP
VOLDN
GENERAL
GPO
BUS
INTERFACE
D[7:0]
RECORD
PURPOSE I/O
OSCILLATOR
ES689/ES69x
SER. PORT
SER. PORT
VDDDGNDD
ROM
RAM
CODEC
FIFO
RSTB
MICROCONTROLLER
DX
DCLK
DSP
MSOMSI
MPU-401
SER. PORT
DR
FSR
STEREO
ESFM
™
1-BIT
DAC
PCSPKO
PCSPKICIN FOUT
FILTER
16-BIT
SER.
PORT
VOL. CTRL.
MIXER
AND
REGISTER
SET
MASTER
VOL
CTRL
16-BIT
STEREO DAC
FIFO
SE
FSX
MODE
RECORD
SOURCE
MIXER
PLAYBACK
DAC
STEREO
16-BIT
AND
VOLUME
CONTROL
PREAMP
MIXER
SOURCE
IISCLK IIDATA
IIS ZV
SERIAL PORT
IILR
PnP CONTROL
CAP3D
3-D**
MONO
IN/OUT
GPI
AUXB
** 3-D Processor uses Spatializer
®
VBX™ 3-D
technology provided by Desper Products, Inc., a
subsidiary of Spatializer Audio Laboratories, Inc.
* Some of these pins are shared with other functions.