— 54 —
IC3601 AUDIO PROCESSOR BLOCK DIAGRAM
11
COMPIN
8
PCINT1
9
PCINT2
16
Vcc
14
GND
19
NOISETC
15
SAPTC
12
VGR
VCA
A
TT/INSW
STLPF
WIDEBAND
NRSW/FOMO/SAPC
LPF
"STEREO"
(+6dB)
LPF
LPF
LPF
DeEm
BPF
SAPVCO
10
PCINT
17
SUBOUT
6
MAININ
2
TVOUT
-L
1
TVOUT
-R
7
MAINOUT
LFL
T
VCO
STIND
FL
T
1/4
1/2
"NOISE"
"SAP"
"PONRES"
HPF
DeEm
VE
VCA
LPF
LPF
VCA
MA
TRIX
LOGIC
30
SOUT
LPF
NOISE
DET
SAPIND
SW
IREF
IIC BUS I/F
13
5
DGND
4
SCL
3
SDA
IREF
20
SAPOUT
21
SAPIN
18
STIN
AMP
(+4dB)
SPECTRAL
RMSDET
RMSDET
22
VE
23
VEWGT
24
VETC
25
VEOUT
26
VCAIN
28
VCA
WGT
27
VCATC