sta381bw STMicroelectronics, sta381bw Datasheet - Page 70

• Manufacturer Part Number: sta381bw
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Register description: New Map
6.21
6.21.1
70/168
Table 60.
Channel configuration registers (addr 0x1F - 0x21)
Tone control bypass
Tone control (bass/treble) can be bypassed on a per-channel basis for channels 1 and 2.
Table 61.
Reserved
Reserved
C3OM1
D7
D7
D7
0
0
1
XO[3:0]
CxTCB
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0
1
Bass management crossover frequency
Tone control bypass
Reserved
Reserved
C3OM0
D6
D6
D6
0
1
0
Reserved
Reserved
Table 74.: RAM block for biquads, mixing, scaling and bass
management
80 Hz
100 Hz
120 Hz
140 Hz
160 Hz
180 Hz
200 Hz
220 Hz
240 Hz
260 Hz
280 Hz
300 Hz
320 Hz
340 Hz
360 Hz
C3LS1
Perform tone control on channel x - normal operation
Bypass tone control on channel x
D5
D5
D5
0
0
0
Doc ID 018835 Rev 2
Reserved
Reserved
C3LS0
D4
D4
D4
0
0
0
Crossover frequency
C1BO
C2BO
C3BO
D3
D3
D3
0
0
0
Mode
C1VPB
C2VPB
C3VPB
D2
D2
D2
0
0
0
Reserved
C1EQBP
C2EQBP
D1
D1
D1
0
0
0
STA381BW
Reserved
C1TCB
C2TCB
D0
D0
D0
0
0
0