ELECTRONIC VOLUME CONTROL WITH BUILT-IN SPEATEN FILTER
PIN DESCRIPTION
M62496FP
MITSUBISHI SOUND PROCESSOR ICs
57
59
60
53
54
55
56
61
52
62
51
63
50
64
49
1
48
2
47
3
46
4
5
6
7
8
45
44
43
42
41
9
10
Pin No.
40
39
11
38
12
37
13
14
15
36
35
34
16
33
17
32
18
31
19
30
20
29
21
28
22
23
24
25
26
27
Symbol
SELECT1 IN A
SELECT1 IN B
SELECT1 IN C
SELECT1 IN D
SELECT2 IN A
SELECT2 IN B
SELECT2 IN C
SELECT2 IN D
SELECT NF1
SELECT NF2
TC2 A
TC2 B
TC2 C
TONE OUT1
TONE OUT2
FBB1
FBB2
NFBB1
NFBB2
INBB1
INBB2
OUT1
OUT2
DATA
CLOCK
GND
VDD
VCC
VREF
SYA VREF1
SYA VREF2
SELECT OUT1
SELECT OUT2
VOL IN1
VOL IN2
LOUD IN1
LOUD IN2
VOLF OUT1
VOLF OUT2
VOLR OUT1
VOLR OUT2
SYA1 IN
SYA2 IN
TC1 A
TC1 B
TC1 C
Function
Input pin for channel 1 of the input selector switch block.
Input pin for channel 2 1 of the input selector switch block.
Output pin of the input selector switch.
Input pin of the volume block.
Pin for setting the frequency characteristics of the loudness block.
Output pin of the volume block (1st stage). Connect this pin to VREF pin with C
connection to reduce switching noise.
Output pin of the volume block (2nd stage).
Pin for setting frequency characteristics of the tone control block for channel 1.
Final output pin of the ATT block.
Input pin of the control data. This pin inputs data in synchronization with CLOCK.
Clock input pin for serial data transfer.
Ground pin
Digital power supply pin.
Analog power supply pin.
IC signal ground. Apply 1/2Vcc.
SYA1 C1
SYA1 C2
SYA1 C3
SYA1 C4
SYA1 C5
SYA2 C1
SYA2 C2
SYA2 C3
SYA2 C4
SYA2 C5
Pin for connecting filter of the speaten filter. (ch1)
Pin for connecting filter of the speaten filter. (ch2)
Reduce switching noise on speaten filter effect by using the capacitance
between pin9 and pin10.(ch1)
Reduce switching noise on speaten filter effect by using the capacitance
between pin39 and pin410.(ch2)
SYA1 C7
SYA2 C6
SYA1 C6
SYA2 C7
SYA1 OUT
SYA2 OUT
TONE IN1
TONE IN2
Adjusts input gains by using the resistance between this pin and the SELECT
OUT pin and by using resistance added to INA to IND.
Input pin of the speaten filter block.
Output pin of the speaten filter block.
Input pin of the tone control block.
Output pin of the tone control block.
Resonant impedance (band-pass filter) connection pin for base section.
Output pin of bass boosting resonant buffer amp.
Input pin of bass boosting resonant buffer amp.
Ground of the speaten filter speaten filter block. Apply 1/2Vcc.
Pin for setting frequency characteristics of the tone control block for channel 2.