sta339bw STMicroelectronics, sta339bw Datasheet - Page 8

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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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List of tables
Table 49.
Table 50.
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Auto EAPD on clock loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
IC power down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
External amplifier power down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Line output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Master volume offset as a function of MV[7:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Channel volume as a function of CxV[7:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Audio preset gain compression/limiters selection for AMGC[3:2] = 00. . . . . . . . . . . . . . . . 47
AM interference frequency switching bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Audio preset AM switching frequency selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Bass management crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Bass management crossover frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Tone control bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
EQ bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Binary output enable registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Channel limiter mapping as a function of CxLS bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Channel output mapping as a function of CxOM bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Tone control boost/cut as a function of BTC and TTC bits . . . . . . . . . . . . . . . . . . . . . . . . . 51
Limiter attack rate as a function of LxA bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Limiter release rate as a function of LxR bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Limiter attack threshold as a function of LxAT bits (AC-Mode). . . . . . . . . . . . . . . . . . . . . . 54
Limiter release threshold as a function of LxRT bits (AC-Mode) . . . . . . . . . . . . . . . . . . . . 54
Limiter attack threshold as a function of LxAT bits (DRC-Mode) . . . . . . . . . . . . . . . . . . . . 55
Limiter release threshold as a as a function of LxRT bits (DRC-Mode) . . . . . . . . . . . . . . . 55
RAM block for biquads, mixing, scaling and bass management. . . . . . . . . . . . . . . . . . . . . 62
Status register bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
EQ RAM select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Anti-clipping and DRC preset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Anti-clipping selection for AMGC[3:2] = 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Post scale setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Extended attack rate setup for limiter 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Extended attack rate setup for limiter 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
De-emphasis filter setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Bass filter setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Treble filter setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Soft volume (increasing) setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Soft volume (decreasing) setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
PowerSSO-36 slug down dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Doc ID 15251 Rev 4
STA339BW

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