MITSUBISHI SOUND PROCESSOR ICs
SER I ES
SER I ES
50
M65849BFP
SINGLE CHIP SURROUND PROCESSOR
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.
PIN CONFIGURATION
FEATURES
1
2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
MCLKCONT
TEST1
MVOL IN
MIC IN
NC
•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
3
CLOCK
LATCH
DATA
4
Lch IN
5
Rch IN
6
DELAY OUT
ADCONT
DACONT
Vcc
7
Lch OUT
Rch OUT
REF
8
DELAYSOURCE
OUT
9
10
11
12
13
14
15
16
TEST OUT
LPF1IN1
LPF1IN2
LPF1OUT
ADINTIN
ADINTOUT
GND
MIC OUT
FVOL IN
LPF2OUT
LPF2IN2
LPF2IN1
DAINTOUT
DAINTIN
RECOMMENDED OPERATING CONDITION
•Supply voltage range...................Vcc=4.5 ~ 5.5V
Rated supply voltage.................Vcc=5V
SYSTEM CONFIGURATION
MIX AMP
INPUT
SEL
OUTPUT
SEL
L ch OUT
L ch
IN
I(L+R)
O(NORMAL)
DIGITAL
DELAY/ECHO
MIX
VOLUME
O(L+R)
O(L-R)
MIC OUT
SW
I(L-R)
I(MIC)
MIC amp
ALC
O(ECHOMIX)
MIC
FEEDBACK
VOLUME
MIC IN
MIC OUT
R ch OUT
MIX AMP
R ch
IN
M 6 5 8 4 9 B F P
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MITSUBISHI [ Mitsubishi Group ]
