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STA369BWSTR Datasheet(PDF) 4 Page - STMicroelectronics

Part # STA369BWSTR
Description  2.1-channel 40-watt high-efficiency digital audio system Sound Terminal®
PDF  92 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA369BWSTR Datasheet(HTML) 4 Page - STMicroelectronics

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Contents
STA369BWS
4/92
DocID016861 Rev 7
7.7.3
Coefficient b2 data register bits (addr 0x1A - 0x1C) . . . . . . . . . . . . . . . 60
7.7.4
Coefficient a1 data register bits (addr 0x1D - 0x1F) . . . . . . . . . . . . . . . 60
7.7.5
Coefficient a2 data register bits (addr 0x20 - 0x22) . . . . . . . . . . . . . . . . 60
7.7.6
Coefficient b0 data register bits (addr 0x23 - 0x25) . . . . . . . . . . . . . . . . 61
7.7.7
Coefficient read/write control register (addr 0x26) . . . . . . . . . . . . . . . . . 61
7.7.8
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
7.8
Variable max power correction registers (addr 0x27 - 0x28) . . . . . . . . . . 66
7.9
Distortion compensation registers (addr 0x29 - 0x2A) . . . . . . . . . . . . . . . 66
7.10
Fault detect recovery constant registers (addr 0x2B - 0x2C) . . . . . . . . . . 66
7.11
Device status register (addr 0x2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
7.12
EQ coefficients and DRC configuration register (addr 0x31) . . . . . . . . . . 68
7.13
Extended configuration register (addr 0x36) . . . . . . . . . . . . . . . . . . . . . . 69
7.13.1
Dual-band DRC (B2DRC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.13.2
EQ DRC mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
7.14
Soft volume configuration registers (addr 0x37 - 0x38) . . . . . . . . . . . . . . 72
7.15
DRC RMS filter coefficients (addr 0x39-0x3E) . . . . . . . . . . . . . . . . . . . . . 73
7.16
Extra volume resolution configuration registers (addr 0x3F) . . . . . . . . . . 74
7.17
Short-circuit protection mode registers SHOK (addr 0x46) . . . . . . . . . . . 75
7.18
Quantization error noise correction (addr 0x48) . . . . . . . . . . . . . . . . . . . . 76
7.19
Extended coefficient range up to +4/-4 (addr 0x49, 0x4A) . . . . . . . . . . . . 77
7.20
Miscellaneous registers (addr 0x4B, 0x4C) . . . . . . . . . . . . . . . . . . . . . . . 78
7.20.1
MISC1 (addr 0x4B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.20.2
MISC2 (addr 0x4C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.21
Global DRC after B2DRC (GDRC) bit (addr 0x4D, bit D0) . . . . . . . . . . . . 81
7.22
Bad PWM detection registers (addr 0x4D, 0x4E, 0x4F) . . . . . . . . . . . . . . 82
7.23
Coefficient RAM CRC protection (addr 0x60-0x6C) . . . . . . . . . . . . . . . . . 82
7.23.1
BQCHKE registers (addr 0x60 - 0x62) . . . . . . . . . . . . . . . . . . . . . . . . . 82
7.23.2
XCCHKE registers (addr 0x63 - 0x65) . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.23.3
BQCHKR registers (addr 0x66 - 0x68) . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.23.4
XCCHKR registers (addr 0x69 - 0x6B) . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.23.5
CHKCTRL register (addr 0x6C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.23.6
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
8
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
8.1
Application schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85



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