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PDF M65849 Data sheet ( Hoja de datos )

Número de pieza M65849
Descripción SINGLE CHIP SURROUND PROCESSOR
Fabricantes Mitsubishi 
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No Preview Available ! M65849 Hoja de datos, Descripción, Manual

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

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M65849 pdf
MITSUBISHI SOUND PROCESSOR ICs
50M65849BFP
SERIES
SINGLE CHIP SURROUND PROCESSOR
Operation Mode Settings.
Operation mode is controlled by the 16-bit serial data inputted in accordance with
the following timing.
• The (DATA is reading at the rising edge of the CLOCK and the last 16-bits
are loaded at the rising edge of the LATCH.
4 LATCH
3 CLOCK
5 DATA
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
Data No. Control Block
Control Explanation
D0
D1
DELAY TIME
There are 8 kinds of Delay Time which are
from 9.2ms to 196.6ms.
D2
D3 INPUT
This is the input selector which selects (CLOCKOFF),(L+R),
D4 SELECTOR (L-R) or( MIC).
D5 OUTPUT
This is the output selector which selects (L+R),(L-R),
D6 SELECTOR (ECHOMIX) or (NORMAL).
D7
MICOUT SW
This is the ON/OFF switch for the Microphone signal.
D8
D9 MIX VOL
D10
There are 8 kinds of ATT. level which are from +3dB to
-15dB,- dB(3dB step).
D11
D12
FEED
BACK
D13 Vcc
There are 8 kinds of ATT. level which are from -3dB
to -15dB,- dB(2dB step).
D14
ADDRESS
D15
D14=(L),D15=(H)DATA Load,the others cancel.
MITSUBISHI
ELECTRIC
( 5 / 15)

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M65849 arduino
MITSUBISHI SOUND PROCESSOR ICs
50M65849BFP
SERIES
SINGLE CHIP SURROUND PROCESSOR
The LPF Of The Input & Output Stage Of The Digital Delay
The circuit of the LPF is as follows.
C1
C2
C1,C2:External C
Internal of IC
11 or 19 pin
12 or 20 pin
SD 10k
13 or 21 pin
SD 10k
SD 10k
INPUT
LD
24k
LD
24k
The accuracy of the internal resisters are about ±30%.
LAD 24k
-
+
OUTPUT
DELAY TIME
SW
9.2 ~ 49.2 ms
98.3 ~ 196.6 ms
SD
(SHORT DELAY)
LD
(LONG DELAY)
* The cut off frequency is calculated by the following formulas.
•Surround
fc=
•Echo
fc=
1
2 x10kx
C1xC2
1
2 x24kx
C1xC2
The quality factor (Q) is as follows under the conditions of both Short Delay & Long Delay.
1
Q=
3
C1
C2
At all the cut off frequency is decided by the external C.
We recommend C1=0.0047µF and C2=0.001µF.
Under this condition, fc and Q are as follows.
Surround fc=7.3kHz Q=0.72
Echo
fc=3.1kHz
* The Cut Off Frequency of LPF means the cut off frequency of the each stage (A/D & D/A)
and doesn't mean the total cut off frequency.
MITSUBISHI
ELECTRIC
( 11/ 15)

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