MITSUBISHI SOUND PROCESSOR ICs
M65849BFP
DESCRIPTION
The M65849BFP is a CMOS IC built-in Digital circuit and mixing amplifiers.
It is suitable for adding effects to Mini Stereo, CD-Radio Cassette and TV.
This COMS IC can be used dolby surround.
50
SERIES
SINGLE CHIP SURROUND PROCESSOR
PIN CONFIGURATION
FEATURES
MCLKCONT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
MVOL IN
MIC IN
NC
Lch IN
Rch IN
DELAY OUT
Lch OUT
Rch OUT
REF
MIC OUT
FVOL IN
LPF2OUT
LPF2IN2
LPF2IN1
DAINTOUT
DAINTIN
•Built-in digital delay , mixing amplifiers,input output selector
achieve a surround system with a single chip .
•Delay volume , feedback volume Built-in
•ADM digital delay ,16kbit SRAM Built-in
•Selection of delay time in a range between 9.2msec and
196.6msec 8 increments.
•32 pin SSOP package (32P2U-B)
•Built-in automatic reset circuit activated with power on
•5V single power supply
TEST1
CLOCK
LATCH
DATA
ADCONT
DACONT
Vcc
DELAYSOURCE
OUT
TEST OUT
LPF1IN1
LPF1IN2
M65849BFP
29
28
27
26
25
24
23
22
21
20
19
18
17
RECOMMENDED OPERATING CONDITION
•Supply voltage range...................Vcc=4.5 ~ 5.5V
Rated supply voltage.................Vcc=5V
LPF1OUT
ADINTIN
ADINTOUT
GND
SYSTEM CONFIGURATION
MIX AMP
L ch
IN
I(L+R)
INPUT
SEL
OUTPUT
SEL
O(NORMAL)
L ch OUT
DIGITAL
DELAY/ECHO
MIC amp
I(L-R)
MIX
VOLUME
O(L+R)
O(L-R)
MIC OUT
SW
MIC
ALC
MIC IN
I(MIC)
FEEDBACK
VOLUME
O(ECHOMIX)
MIC OUT
MIX AMP
R ch
IN
M65849BFP
R ch OUT
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