ES1938 Datasheet, PDF (2/4 Pages) List of Unclassifed Manufacturers – PCI AudioDrive Solution Product Brief

ES1938 PRODUCT BRIEF
BLOCK DIAGRAM
Figure 1 shows the ES1938 block diagram.
MIC
LINE_L
LINE_R
AUXA_L
AUXA_R
AUXB_L
AUXB_R
MONO_IN
CMR
VDDA
GNDA
CAP3D
PCSPKI
PCSPKO
RECORDING
SOURCE
AND INPUT
VOLUME
CONTROL
REF GEN
ANALOG SUBSYSTEMS
STEREO
PROGRAMMABLE
MIXER
OUTPUT VOLUME
AND MUTE CONTROL
RECORD MONITOR
SWITCHED
CAPACITOR
LOW-PASS FILTER
16-BIT STEREO
GAME DAC/ADC
3D PROCESSOR*
PC SPEAKER
VOLUME CTRL
16-BIT STEREO
MUSIC DAC
16-BIT STEREO
SYSTEM DAC
AOUT_L
AOUT_R
MONO_OUT
FOUT_L
FOUT_R
CIN_L
CIN_R
DATA BUFFER WITH
256 BYTE FIFO
AD[31:0]
INTAB
SIRQ
PCLK
PRSTB
CBE[3:0]B
PAR
FRAMEB
IRDYB
TRDYB
STOPB
IDSEL
DEVSELB
REQB
GNTB
LOCKB
CLKRUNB
PCPCIREQB
PCPCIGNTB
PCI BUS
INTERFACE
HARDWARE
VOLUME
CONTROL
ESFM FM MUSIC
SYNTHESIZER
VOLDN
VOLUP
SID AND SVID
CONFIGURATION
WAVETABLE
SERIAL PORT
MCLK
MSD
MPU-401 SERIAL
PORT AND FIFOs
MSI
MSO
DUAL
GAME PORT
SW(A-D)
T(A-D)
ROM
AND
RAM
MICROCONTROLLER
CLOCK
GENERATOR
AND TIMER
XI
XO
Figure 1 ES1938 Block Diagram
* 3D Processor uses Spatializer VBX 3D
technology provided by Desper Products, Inc. a
subsidiary of Spatializer Audio Laboratories, Inc.
PINOUT
Figure 2 shows the ES1938 pinout diagram.
AD24
75
76
CBE3B
IDSEL
AD23
VDDD
GNDD
AD22
AD21
AD20
AD19
AD18
AD17
AD16
CBE2B
FRAMEB
IRDYB
TRDYB
DEVSELB
STOPB
LOCKB
PAR
CBE1B
AD15
AD14
G N D D 100
1
ES 1938S
100-Pin LQFP
51
50 A O U T _ 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
TA
TB
TC
TD
26 M O N O _ I N
25
2
SAM0290-030601
Figure 2 ES1938 Pinout Diagram
ESS Technology, Inc.