sta339bw STMicroelectronics, sta339bw Datasheet - Page 2

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sta339bw

Manufacturer Part Number
sta339bw
Description
2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet

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Contents
Contents
1
2
3
4
5
2/77
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1
Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1
2.2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Processing data paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
I
5.1
5.2
5.3
5.4
2
C bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Electrical specifications for the digital section . . . . . . . . . . . . . . . . . . . . . 15
Electrical specifications for the power section . . . . . . . . . . . . . . . . . . . . . 16
Power on/off sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7.1
Communication protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.1
5.1.2
5.1.3
5.1.4
Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3.1
5.3.2
Read operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.4.1
5.4.2
5.4.3
Functional pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Data transition or change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Multi-byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Current address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Current address multi-byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Random address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Doc ID 15251 Rev 4
STA339BW

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