STA32813TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STA32813TR Datasheet PDF : 57 Pages
| |||
STA328
Register description
6.8
6.8.1
AutoMode registers
AutoModes EQ, volume, GC (addr 0x0B)
D7
AMPS
1
D6
Reserved
0
D5
AMGC1
0
D4
AMGC0
0
D3
AMV1
0
D2
AMV0
0
D1
AMEQ1
0
D0
AMEQ0
0
Table 49. AutoMode EQ
AMEQ[1,0]
Mode (biquad 1-4)
00
User programmable
01
Preset EQ - PEQ bits
10
Auto volume controlled loudness curve
11
Not used
By setting AMEQ to any setting other than 00 enables AutoMode EQ where biquads 1-4 are
not user programmable. Any coefficient settings for these biquads are ignored. Also when
AutoMode EQ is used the pre-scale value for channels 1-2 becomes hard-set to -18 dB.
Table 50. AutoMode volume
AMV[1,0]
Mode (MVOL)
00
MVOL 0.5 dB 256 steps (standard)
01
MVOL auto curve 30 steps
10
MVOL auto curve 40 steps
11
MVOL auto curve 50 steps
Table 51. AutoMode gain compression/limiters
AMGC[1:0]
Mode
00
User programmable GC
01
AC no clipping
10
AC limited clipping (10%)
11
DRC nighttime listening mode
Table 52. AMPS - AutoMode auto prescale
Bit R/W RST
Name
Description
0
RW 0
AMPS
AutoMode pre-scale
0: -18 dB used for pre-scale when AMEQ neq 00
1: user defined pre-scale when AMEQ neq 00
35/57
Share Link: 