STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 4
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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Contents
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6.15
6.16
6.17
6.18
6.19
6.20
6.21
6.22
Configuration register C (addr 0x13) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Configuration register D (addr 0x14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Configuration register E (addr 0x15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Configuration register F (addr 0x16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Volume control registers (addr 0x17 - 0x1B) . . . . . . . . . . . . . . . . . . . . . . 66
Audio preset registers (0x1D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Tone control register (addr 0x22) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.14.2
6.14.3
6.14.4
6.15.1
6.16.1
6.16.2
6.16.3
6.16.4
6.16.5
6.17.1
6.17.2
6.17.3
6.17.4
6.18.1
6.18.2
6.18.3
6.18.4
6.18.5
6.19.1
6.19.2
6.20.1
6.20.2
Channel configuration registers (addr 0x1F - 0x21) . . . . . . . . . . . . . . . . . 70
6.21.1
6.21.2
6.21.3
6.21.4
6.21.5
6.21.6
Serial data first bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Delay serial clock enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Channel input mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
FFX compensating pulse size register . . . . . . . . . . . . . . . . . . . . . . . . . . 62
DSP bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Post-scale link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Biquad coefficient link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Zero-detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Submix mode enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Noise-shaper bandwidth selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
AM mode enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
PWM speed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Zero-crossing enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Invalid input detect mute enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Binary output mode clock loss detection . . . . . . . . . . . . . . . . . . . . . . . . 65
LRCK double trigger protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
External amplifier power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Mute/line output configuration register (addr 0x17) . . . . . . . . . . . . . . . . 66
Channel 3 / line output volume (addr 0x1B) . . . . . . . . . . . . . . . . . . . . . . 68
AM interference frequency switching . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Bass management crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Tone control bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
EQ bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Volume bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Binary output enable registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Limiter select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Output mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Doc ID 018937 Rev 6
STA381BWS
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