STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 3
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
6
5.2
5.3
5.4
Register description: New Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.13
6.14
RESET register (addr 0x02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Soft volume register (addr 0x03) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
OPER register (addr 0x09) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
FUNCT register (addr 0x0A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
HPCFG register (addr 0x10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Configuration register A (addr 0x11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Configuration register B (addr 0x12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
5.1.2
5.1.3
5.1.4
Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Write operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.3.1
5.3.2
Read operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
CLK register (addr 0x00) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
STATUS register (addr 0x01) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
MVOL register (addr 0x04) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
FINEVOL register (addr 0x05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
CH1VOL register (addr 0x06) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
CH2VOL register (addr 0x07) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
POST scaler register (addr 0x08) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6.11.1
6.13.1
6.13.2
6.13.3
6.14.1
Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Multi-byte write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Current address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Current address multi-byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Random address byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Random address multi-byte read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Write mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Read mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Dual-band DRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Master clock select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Interpolation ratio selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Fault-detect recovery bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Serial data interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Doc ID 018937 Rev 6
Contents
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