HA12163 Hitachi Semiconductor, HA12163 Datasheet - Page 4

• Manufacturer Part Number: HA12163
• Description: Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)
• Manufacturer: Hitachi Semiconductor

HA12163 Series
Block Diagram (HA12166F)
Rev.4, Jun. 1999, page 4 of 66
EQOUT(R)
37
38
39
40
41
42
43
44
45
46
47
48
120/70
VREF(L)
120/70
GND
GND
VREF(R)
36
1
EQOUT(L)
– +
–
F/R
F/R
35
+
2
BIAS
RIP
34
1
1
3
+
RADIO
IN(R)
RADIO
IN(L)
33
4
T/R
T/R
+
–
PBOUT(R)
PBOUT(L)
32
5
31
DOLBY B-NR
DOLBY B-NR
6
LPF
30
7
29
8
RECOUT(L)
RECOUT(R)
MS AMP.
–
+
28
9
MS VREF
27
10
S/R
DET
26
11
MS GND
ON/OFF
MS V
D GND
25
12
V
CC
CC
15
14
13
24
23
22
21
20
19
18
17
16
120 µ/70 µ
TAPE/RADIO
REC/PB
MS GV (S/R)
F/R
MS OUT
+
To Microcomputer
V
CC
From
Microcomputer