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PDF S1A0501X01-S0B0 Data sheet ( Hoja de datos )
| Número de pieza | S1A0501X01-S0B0 | |
| Descripción | DIGITAL CONTROLLED AUDIO PROCESSOR | |
| Fabricantes | Samsung semiconductor | |
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DIGITAL CONTROLLED AUDIO PROCESSOR
S1A0501X01
GENERAL DESCRIPTION
The S1A0501X01 is an audio processor for volume/tone/fader
control, which is suitable for car radios or Hi-Fi system. It has a
built-in trimmer for user to set a source level. R/L rear output is
changable to input in the case of a home audio system for user
conveniency, an external equalizer or a noise reduction circuit
is selectable.
When the S1A0501X01 is used with some sound-effect equip-
ment such as graphic equalizer, the internal tone control block
of S1A0501X01 can be bypassed for decreasing redundancy.
All selections and function controls are designed to be con-
trolled by an I2C-bus protocol or a general microprocessor
interface protocol.
32−SOP−450B
#1
FEATURES
• 3-Input multiplexing
• Source Level trimmer (selectable input level)
• Volume control in 0.6dB step
• Tone control (internal bass/treble function block with external components)
• Source out / volume in (enable ext.graphic eq./ noise reduction equipment)
• Loudness / mute
• Fader control ( separated for balance )
• All functions are programmable / controllable via serial I2C bus
or general Micom interface protocol.
ORDERING INFORMATION
Device
Package
S1A0501X01-S0B0 32−SOP−450B
Operating Temperature
−25°C - +75°C
1
1 page  
DIGITAL CONTROLLED AUDIO PROCESSOR
SERIAL BUS INTERFACE PROTOCOL - THE I2C BUS
Timing Diagram of I2C Bus Protocol
start
SCL
S1A0501X01
stop
SDA
12
3
25 26 27
STB
I2C Bus Byte Format of S1A0501X01
Start
S
1-8
Slave Address
9
ACK
10 - 17
Sub Address
18
ACK
19 - 26
DATA
S
Slave Address
ACK
Sub Address
DATA
P
= A start Condition
= Chip Address ( 10000000B )
= Acknowledge ( from Slave )
= Transferred Data1 ( assigning Function )
= Transferred Data2 ( assigning Operation )
= A Stop Condition
STB Signal 'LOW
'= Always 'LOW' when I2C Bus protocol (tied to 'GND').
♣ Max.SCL Frequency 200kHz
27 Stop
ACK P
5
5 Page 
DIGITAL CONTROLLED AUDIO PROCESSOR
S1A0501X01
SOFTWARE SPECIFICATION - Fader / Miscellaneous Control DATA BYTE BYTE FORMAT
FUNCTION SUBADDRESS
DATA BYTE
VALUE
REMARK
BYTE FORMAT
b7 b6 b5 b7 b6 b5 b4 b3 b2 b1 b0
Fader Control
011
Left Front
100
Left Rear
101
Right front
110
Right Rear
0 0 0XXX
0 dB
0 0 1 X X X - 1.25 dB
0 1 0XXX
- 2.5 dB
0 1 1 X X X - 3.75 dB
1.25 dB
1 0 0XXX
- 5.0 dB
STEP
1 0 1 X X X - 6.25 dB
(8)
1 1 0XXX
- 7.5 dB
1 1 1 X X X - 8.75 dB
00
XXX
0 dB
01
XXX
- 10 dB 10 dB STEP
10
XXX
- 20 dB
(4)
11
XXX
- 30 dB
Rear-in
111
0XXXXX
ENABLE
Should Be
Control
1 X X X X X DISABLE 'DISABLE'
Mute
0
XXXXX
ON
1
XXXXX
OFF
External
0
XXXXX
ENABLE
Equalizer
1 X X X X X DISABLE
11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet S1A0501X01-S0B0.PDF ] | |
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