ISD-ES502 Datasheet, PDF (5/7 Pages) Winbond – Demonstration Board

ES502 BLOCK DIAGRAM
Mic Input
MIC+
MIC–
AGCCAP
Car Kit
AUX IN
XCLK
Chip Set
ANA
IN
6dB
SUM1
INPUT
SUMMING
FILTER
SOURCE
AMP
MUX
SUM2 SUMMING
AGC
MUX
Σ
ARRAY
AMP
Low pass
Filter
Σ ANA IN
1(AGPD)
( ) SUM1
2
S1M0
S1M1
1(FLS0)^1(FLPD)
MUX
FILTO
( ) ^S2M0
2 S2M1
AUX
IN
1(INS0)
ANA IN
Internal
Clock
Multilevel
Storage
AMP
1(AXPD)
( ) 2 AXG0
AXG1
ARY
( ) ^S1S0
2 S1S1
( ) ²
FLD0
FLD1
Array
FTHRU
INP
VOL
FILT0
SUM1
SUM2
ANAOUT
MUX
1(A1OPD
( )^AOS0
3 AOS1
AOS2
OUTPUT
MUX
VOL
ANA
ANA
IN
AMP
1(AI
( ) 2 AIG0
AIG1
Power Conditioning
Device Control
ANA IN
SUM 2
SUM 1
INP
VOL
MUX
FILT0
SUM 2
Volume
Control
( ) ( ) 2
OPS0
OPS1
2 OPA0
OPA1
( )^{( ) 2 VLS0}
3
VOL0
VOL1
VLS1 _VOL2
1 (VLPD)
REV 1.
Chip
Set
ANA
OUT+
ANA
OUT–
Car
Kit
AUX
OUT
Speak
SP+
SP–
VCCA VSSA VSSA VSSA VSSD1 VSSD2 VCCD1 VCCD2 SCLK SS MOSI MISO INT RAC
ISD-ES502.PDF
02/10/06