sta381bw STMicroelectronics, sta381bw Datasheet - Page 72

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

Register description: New Map
6.21.6
6.22
6.22.1
72/168
Output mapping
Output mapping can be performed on a per-channel basis according to the CxOM channel
output mapping bits. Each input into the output configuration engine can receive data from
any of the three processing channel outputs.
Table 66.
Tone control register (addr 0x22)
Tone control
Table 67.
.
TTC3
BTC[3:0]/TTC[3:0]
D7
0
C3OM[1:0]
0000
0001
0111
0110
0111
1000
1001
1101
1110
1111
00
01
10
…
…
Channel output mapping as a function of C3OM bits
Tone control boost/cut as a function of BTC and TTC bits
TTC2
D6
1
Channel1
Channel 2
Channel 3
TTC1
D5
1
Doc ID 018835 Rev 2
TTC0
D4
1
Channel x output source from
BTC3
D3
0
Boost/Cut
+12 dB
+12 dB
+12 dB
-12 dB
-12 dB
+2 dB
+4 dB
-4 dB
-2 dB
0 dB
…
…
BTC2
D2
1
BTC1
D1
1
STA381BW
BTC0
D0
1