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M61504 Schematic ( PDF Datasheet ) - Mitsubishi

Teilenummer M61504
Beschreibung DIGITAL SOUND CONTROLLER WITH SURROUND
Hersteller Mitsubishi
Logo Mitsubishi Logo 




Gesamt 17 Seiten
M61504 Datasheet, Funktion
MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
DESCRIPTION
The M61504FP is an optimum digital sound controller IC for home audio.
It has a 4ch input selector, input volume, surround (3 variation), tone control (3 band), loudness, Vocal cut and
2ch master volume.
It can control all of these function with serial data.
FEATURES
Built-in 4ch input selector.
Built-in input volume (2dB step/3 bit)
IC for Dolby-pro-logic Interface.
Built-in Surround (ON/OFF,High/Middle/Low <3 variation>)
Tone control (Bass/Mid/Treble)
Built-in Loudness.
Vocal cut (Surround OFF setting only)
Main Volume (36 step 0 to -80dB,- )
Microcomputer Interface.
RECOMMENDED OPERATING CONDITIONS
PACKAGE
Outline 42P2R-A
0.8mm Pitch 450mil SSOP
(8.4mm x 17.5mm x 2.0mm)
Supply voltage range ....Vcc= 4.5~5.5 Rated supply voltage.....Vcc=5V
SYSTEM CONFIGURATION
IC for
Dolby-pro-logic
IN A1
IN B1
IN C1
IN D1
IN A2
IN B2
IN C2
IN D2
INPUT
VOLUME
Vocal
cut
INPUT
VOLUME
MAIN
VOLUME
A1
TONE CONTROL
&
LOUDNESS
MAIN
VOLUME
A2
SURROUND
&
LOUDNESS
µ-com INTERFACE
MAIN
VOLUME
B1
MAIN
VOLUME
B2
VOL
OUT1
VOL
OUT2
IC for
Dolby-pro-logic
CLK DATA
MITSUBISHI
ELECTRIC
( 1 / 17 )






M61504 Datasheet, Funktion
MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
DATA CONTROL SPECIFICATION
For kinds of input format options are availably by changing slot settings of
DC,DD.
(When the IC is powered up,the internal setting are not fixed.)
<MUTE cancellation data> (x is optional setting)
D04 D14 D24 D34 D44 D54 D64 D74 D84 D94 DA4 DB4 DC DD DE DF
X X X 0 X 1 X X X X X X 1100
Tip address
(1) D01 D11 D21 D31 D41 D51 D61 D71 D81 D91 DA1 DB1 DC DD DE DF
TONE
CONTROL
TREBLE
TONE
CONTROL
MID
TONE
CONTROL
BASS
00 00
(2)
DO2 D12 D22 D32 D42 D52 D62 D72 D82 D92 DA2 DB2 DC DD DE DF
A1 VOLUME CH 1
B1 VOLUME CH 1
INPUT
Note3)
D 0 VOCAL 0
ATT CUT
SW
1
00
(3) DO3 D13 D23 D33 D43 D53 D63 D73 D83 D93 DA3 DB3 DC DD DE DF
(4)
Note1)
SURROUN
D OF
OUTSIDE
SETTING
SURROUN
D OF
INSIDE
SETTING
A1 VOLUME CH 2
B1 VOLUME CH2
LOUD
NESS
SW
TONE D Input
INPUT ATT
SELE SW
CTOR -5/-8dB
1
0
00
DO4 D14 D24 D34 D44 D54 D64 D74 D84 D94 DA4 DB4 DC
Note)
Mute
REC-B
ON:1
OFF:0
1
DD
INPUT
SELECTOR
Note3)
SURROUND 0
INPUT
VOLUME
A B REC-A
INPUT INPUT
VOLUME VOLUME
ON:1
SELECTOR SELECTOR OFF:0
1
1
DE DF
00
Note1) Surround of outside setting, it becomes "D54=1"--->Sw41 and 42 setting = B fixation. Surround of inside
setting ( Surround of outside non setting), It becomes "D54=0"--->Sw41 and 42 setting = A fixation.
Note2)In power supply investing to Mute an output in, It becomes setting like the following. Input selector = ALL
OFF, Outside surround mode setting, REC-A,B SW=OFF,B1 main volume= - setting. The similar MUTE
setting can be done by setting D34=D54=1.
Note3) It is impossible to use the vocal cut and the inside surround function, First. it sets the vocal cut ON after
setting the inside surround ON, in case of switching to the vocal cut ON setting from the inside surround
ON setting. And it sets the inside surround ON after setting the vocal cut On, in case of switching to the
inside surround ON setting from the vocal cut ON setting.
MITSUBISHI
ELECTRIC
( 6 / 17 )

6 Page









M61504 pdf, datenblatt
MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
(3)Equivalent circuit of tone control
3-1Bass,Mid (Boost mode)
IN
R3 R2
C1
R1
C2
3-2 Bass,Mid (Cut mode)
OUT
1
f0 = (Hz)
2π R1(R2+R3)C1C2
Q=
1
C1+C2
C1C2R2
R1
Gv = 20log
R2+R3
R1 +2
R3
R1
+2
(dB)
IN
1
f0 = (Hz)
2π R1(R2+R3)C1C2
Q=
1
C1+C2
C1C2R2
R1
Gv = 20log
R3
R1
+2
RR2+1R3+2
(dB)
R2 R3
C2
R1
C1
MITSUBISHI
ELECTRIC
OUT
( 12 / 17 )

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