STA323WTR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STA323WTR Datasheet PDF : 41 Pages
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STA323W
Table 17. Channel Volume as a function of CxV (7..0)
CxV (7..0)
00000000 (00h)
00000001 (01h)
00000010 (02h)
…
01100001 (5Fh)
01100000 (60h)
01011111 (61h)
…
11111110 (FEh)
11111111 (FFh)
Volume
+48dB
+47.5dB
+47dB
…
+0.5dB
0dB
-0.5dB
…
-79.5 dB
Hard Channel Mute
7.9 AUTOMODE REGISTERS
7.9.1 Register – AutoModes EQ, Volume, GC (Address 0Bh)
D7
D6
D5
D4
D3
AMPS
AMGC1
AMGC0
AMV1
1
0
0
0
D2
AMV0
0
D1
AMEQ1
0
D0
AMEQ0
0
Table 18. 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. When set, biquads 1-4 are not user
programmable. Any coefficient settings for these biquads will be ignored. Also when AutoMode EQ is used
the pre-scale value for channels 1-2 becomes hard-set to –18dB.
Table 19. AutoMode Volume
AMV (1,0)
00
01
10
11
Mode (MVOL)
MVOL 0.5dB 256 Steps (Standard)
MVOL Auto Curve 30 Steps
MVOL Auto Curve 40 Steps
MVOL Auto Curve 50 Steps
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