sta339bw STMicroelectronics, sta339bw Datasheet - Page 4

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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
4/77
6.6
6.7
6.8
6.9
6.10
6.11
6.5.7
6.5.8
Configuration register F (addr 0x05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.6.1
6.6.2
6.6.3
6.6.4
6.6.5
6.6.6
6.6.7
Volume control registers (addr 0x06 - 0x0A) . . . . . . . . . . . . . . . . . . . . . . 45
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
Audio preset registers (addr 0x0B and 0x0C) . . . . . . . . . . . . . . . . . . . . . 47
6.8.1
6.8.2
6.8.3
6.8.4
Channel configuration registers (addr 0x0E - 0x10) . . . . . . . . . . . . . . . . . 49
6.9.1
6.9.2
6.9.3
6.9.4
6.9.5
6.9.6
Tone control register (addr 0x11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
6.10.1
Dynamic control registers (addr 0x12 - 0x15) . . . . . . . . . . . . . . . . . . . . . 51
6.11.1
6.11.2
6.11.3
6.11.4
6.11.5
Zero-crossing volume enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Soft volume update enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Invalid input detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Binary output mode clock loss detection . . . . . . . . . . . . . . . . . . . . . . . . 44
LRCK double trigger protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Auto EAPD on clock loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
IC power down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
External amplifier power down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Mute/line output configuration register . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Master volume register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Channel 1 volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Channel 2 volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Channel 3 / line output volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Audio preset register 1 (addr 0x0B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Audio preset register 2 (addr 0x0C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
AM interference frequency switching . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Bass management crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Tone control bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
EQ bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Volume bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Binary output enable registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Limiter select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Output mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Tone control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Limiter 1 attack/release rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Limiter 1 attack/release threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Limiter 2 attack/release rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Limiter 2 attack/release threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Limiter 1 Extended attack threshold (addr 0x32) . . . . . . . . . . . . . . . . . . 55
Doc ID 15251 Rev 4
STA339BW

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