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TAS5086DBT Datasheet(PDF) 21 Page - Texas Instruments

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Part # TAS5086DBT
Description  PurePath Digital TM AUDIO SIX-CHANNEL PWM PROCESSOR
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5086DBT Datasheet(HTML) 21 Page - Texas Instruments

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A6
A0
ACK
Acknowledge
I2C Device Address and
Read/Write Bit
R/W
A6
A0
R/W ACK
A0
ACK
D7
D0
ACK
Start
Condition
Stop
Condition
Acknowledge
Acknowledge
Acknowledge
Last Data Byte
ACK
First Data Byte
Repeat Start
Condition
Not
Acknowledge
I2C Device Address and
Read/Write Bit
Subaddress
Other Data Bytes
A7
A6
A5
D7
D0 ACK
Acknowledge
D7
D0
T0036-04
COMMAND CHARACTERISTICS
SERIAL CONTROL INTERFACE REGISTER SUMMARY
TAS5086
SLES131A – FEBRRUARY 2005 – REVISED MAY 2006
I2C SERIAL CONTROL INTERFACE (continued)
Figure 18. Multiple-Byte Read Transfer
The TAS5086 has two groups of I2C commands. One set is commands that are designed specifically to be
operated while audio is streaming and that have built-in mechanisms to prevent noise, clicks, and pops. The
other set does not have this built-in protection.
Commands that are designed to be adjusted while audio is streaming
•
Master volume
•
Master mute
•
Individual channel volume
•
Individual channel mute
Commands that the system executes without additional processing to prevent noise, clicks, or pops (in
a number of cases this does not produce an audible click and pop)
•
Serial data interface format
•
De-emphasis
•
Sample rate conversion
•
Input multiplexer
•
Output multiplexer
•
Biquads
•
Downmix
•
Channel delay
•
Enable/disable automatic MCLK and data-rate detection
•
Manual or automatic MCLK and data-rate setting
•
Enable/disable dc blocking
•
Hard/soft unmute from clock error
NO. OF
SUBADDRESS
REGISTER NAME
CONTENTS
INITIALIZATION VALUE
BYTES
A u indicates unused bits
0x00
Clock control register
1
Description shown in subsequent section
6C
0x01
Device ID register
1
Description shown in subsequent section
03
0x02
Error status register
1
Description shown in subsequent section
00
0x03
System control register 1
1
Description shown in subsequent section
A0
0x04
Serial data interface register
1
Description shown in subsequent section
05
0x05
System control register 2
1
Description shown in subsequent section
60
0x06
Softmute register
1
Description shown in subsequent section
00
0x07
Master volume
1
Description shown in subsequent section
FF (mute)
21
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