STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 112

• Manufacturer Part Number: STA381BWSTR
• Description: Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
• Manufacturer: STMicroelectronics

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

Register description: Sound Terminal compatibility
7.3
7.3.1
7.4
7.4.1
112/171
Configuration register C (addr 0x02)
FFX compensating pulse size register
Table 112. FFX compensating pulse size bits
Table 113. Compensating pulse size
Configuration register D (addr 0x03)
DSP bypass
Table 114. DSP bypass
Setting the DSPB bit bypasses the EQ function of the STA381BWS.
Table 6:
Bit
Bit
Reserved
2
3
4
5
2
SME
D7
D7
1
0
CSZ[3:0]
0000
0001
1111
…
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
ZDE
D6
D6
0
0
RST
RST
1
1
1
0
0
0 ns (0 ticks) compensating pulse size
20 ns (1 tick) clock period compensating pulse size
…
300 ns (15 ticks) clock period compensating pulse size
Reserved
CSZ3
D5
D5
0
0
Doc ID 018937 Rev 6
DSPB
Name
Name
CSZ0
CSZ1
CSZ2
CSZ3
CSZ2
BQL
D4
D4
1
1
Compensating pulse size
When OM[1,0] = 11, this register determines the
size of the FFX compensating pulse from 0 clock
ticks to 15 clock periods.
0: Normal operation
1: Bypass of biquad and bass/treble functions
CSZ1
PSL
D3
D3
0
1
DSPB
CSZ0
Description
Description
D2
D2
1
0
Reserved
Reserved
D1
D1
1
0
STA381BWS
Reserved
Reserved
D0
D0
1
0