STA309A
Registers
Doc ID 13855 Rev 4
49/67
that limiter and the release threshold is set relative to the maximum volume setting plus the
attack threshold.
Figure 7.
Basic limiter and volume flow diagram
Table 71.
Channel limiter mapping
CnLS[1:0]
Channel limiter mapping
00
Channel has limiting disabled
01
Channel is mapped to limiter #1
10
Channel is mapped to limiter #2
Table 72.
Attack rate
LnA[3:0]
Attack rate (dB/ms)
0000
3.1584 (fast)
0001
2.7072
0010
2.2560
0011
1.8048
0100
1.3536
0101
0.9024
0110
0.4512
0111
0.2256
1000
0.1504
1001
0.1123
1010
0.0902
1011
0.0752
1100
0.0645
1101
0.0564
1110
0.0501
1111
0.0451 (slow)
Gain
Attenuation
Saturation
Limiter
RMS
Output
Gain, volume
Input