STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 7
STA381BWSTR
Manufacturer Part Number
STA381BWSTR
Description
Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWSTR.pdf
(171 pages)
Specifications of STA381BWSTR
Product Category
Audio DSPs
Rohs
yes
Operating Supply Voltage
4.5 V to 25.5 V
Operating Temperature Range
0 C to + 150 C
Mounting Style
SMD/SMT
Package / Case
VQFN-48
Snr
100 dB
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STA381BWS
7.5
7.6
7.7
7.8
7.9
7.10
Tone control register (addr 0x11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
7.4.2
7.4.3
7.4.4
7.4.5
Configuration register E (addr 0x04) . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
Configuration register F (addr 0x05) . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
Volume control registers (addr 0x06 - 0x0A) . . . . . . . . . . . . . . . . . . . . . 122
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
Audio preset registers (addr 0x0C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
7.8.1
7.8.2
7.8.3
Channel configuration registers (addr 0x0E - 0x10) . . . . . . . . . . . . . . . . 126
7.9.1
7.9.2
7.9.3
7.9.4
7.9.5
7.9.6
7.10.1
Post-scale link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Biquad coefficient link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Zero-detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Submix mode enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Noise-shaper bandwidth selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
AM mode enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
PWM speed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Zero-crossing enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Soft volume update enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Invalid input detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Binary output mode clock loss detection . . . . . . . . . . . . . . . . . . . . . . . 121
LRCK double trigger protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
IC power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
External amplifier power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Mute/line output configuration register . . . . . . . . . . . . . . . . . . . . . . . . . 122
Master volume register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Channel 1 volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Channel 2 volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Channel 3 / line output volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Audio preset register (addr 0x0C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
AM interference frequency switching . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Bass management crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Tone control bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
EQ bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Volume bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Binary output enable registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Limiter select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Output mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Tone control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Doc ID 018937 Rev 6
Contents
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