ES1938 ESS Technology, Inc., ES1938 Datasheet - Page 2

• Manufacturer Part Number: ES1938
• Manufacturer: ESS Technology, Inc.

BLOCK DIAGRAM
Figure 1 shows the ES1938 block diagram.
PINOUT
Figure 2 shows the ES1938 pinout diagram.
2
SAM0290-030601
D E V S E L B
FRAMEB
MONO_IN
PCSPKO
TRDYB
S T O P B
LOCKB
C B E 3 B
C B E 2 B
C B E 1 B
AUXA_R
AUXB_R
AUXA_L
AUXB_L
I R D Y B
PCSPKI
I D S E L
V D D D
GNDD
GNDD
LINE_R
LINE_L
CAP3D
A D 2 4
A D 2 3
A D 2 2
A D 2 1
A D 2 0
A D 1 9
A D 1 8
A D 1 7
A D 1 6
A D 1 5
A D 1 4
GNDA
VDDA
PCPCIREQB
PCPCIGNTB
P A R
CMR
MIC
CLKRUNB
CBE[3:0]B
DEVSELB
FRAMEB
AD[31:0]
PRSTB
TRDYB
STOPB
LOCKB
IRDYB
INTAB
IDSEL
REQB
GNTB
PCLK
SIRQ
PAR
76
100
75
RECORDING
3D PROCESSOR*
AND INPUT
CONTROL
1
SOURCE
VOLUME
VOLUME CTRL
Figure 2 ES1938 Pinout Diagram
PC SPEAKER
Figure 1 ES1938 Block Diagram
REF GEN
DATA BUFFER WITH
ROM
AND
RAM
256 BYTE FIFO
INTERFACE
PCI BUS
100-Pin LQFP
MICROCONTROLLER
PROGRAMMABLE
ES 1938S
ANALOG SUBSYSTEMS
STEREO
MIXER
CONFIGURATION
MPU-401 SERIAL
PORT AND FIFOs
ESFM FM MUSIC
AND MUTE CONTROL
SYNTHESIZER
SERIAL PORT
GENERATOR
SID AND SVID
AND TIMER
RECORD MONITOR
HARDWARE
WAVETABLE
GAME PORT
OUTPUT VOLUME
LOW-PASS FILTER
CONTROL
GAME DAC/ADC
16-BIT STEREO
16-BIT STEREO
16-BIT STEREO
VOLUME
CLOCK
SYSTEM DAC
DUAL
CAPACITOR
MUSIC DAC
SWITCHED
XI
XO
51
VOLDN
VOLUP
MCLK
MSD
MSI
MSO
SW(A-D)
T(A-D)
25
50
26
AOUT_L
AOUT_R
MONO_OUT
FOUT_L
FOUT_R
CIN_L
CIN_R
A O U T _ L
L I N E _ R
L I N E _ L
C I N _ R
C I N _ L
F O U T _ L
F O U T _ R
V D D A
C A P 3 D
G N D A
M I C
C M R
A U X A _ R
A U X A _ L
A U X B _ R
A U X B _ L
S W A
S W B
S W C
S W D
T A
T B
T C
T D
M O N O _ I N
* 3D Processor uses
technology provided by Desper Products, Inc. a
subsidiary of Spatializer Audio Laboratories, Inc.
ES1938 PRODUCT BRIEF
ESS Technology, Inc.
Spatializer VBX 3D