STA320 View Datasheet(PDF) - STMicroelectronics
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STA320 Datasheet PDF : 37 Pages
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5.9 Channel Configuration Registers(Addresses 0E-10h
5.9.1 )
D7
C1OM1
0
D6
C1OM0
0
D5
C1LS1
0
D4
C1LS0
0
D3
C1BO
0
D2
C1VPB
0
D1
C1EQBP
0
5.9.2
D7
C2OM1
0
D6
C2OM0
0
D5
C2LS1
0
D4
C2LS0
0
D3
C2BO
0
D2
C2VPB
0
D1
C2EQBP
0
5.9.3
D7
D6
D5
D4
D3
D2
D1
C3OM1
C3OM0
C3LS1
C3LS0
C2BO
C3VPB
1
0
0
0
0
0
5.9.4 Tone Control Bypass
Tone control(bass/treble) can be bypassed on a per channel basis for channels 1 and 2.
CxTCB:
0 - Perform Tone Control on Channel X - normal operation
1 - Bypass Tone Control on Channel X
STA320
D0
C1TCB
0
D0
C2TCB
0
D0
5.9.5 EQ Bypass
EQ control can be bypassed on a per channel basis for channels 1 and 2. If EQ control is bypassed on a
given channel the prescale and all filters (high-pass, biquads, de-emphasis, bass, treble in any combina-
tion) are bypassed for that channel.
CxEQBP:
0 - Perform EQ on Channel X - normal operation
1 - Bypass EQ on Channel X
5.9.6 Volume Bypass
Each channel contains an individual channel volume bypass. If a particular channel has volume bypassed
via the CxVBP = 1 register then only the channel volume setting for that particular channel affects the vol-
ume setting, the master volume setting will not affect that channel.
5.9.7 Binary Output Enable Registers
Each individual channel output can be set to output a binary PWM stream. In this mode output A of a
channel will be considered the positive output and output B is negative inverse.
CxBO:
0 - DDX tri-state output - normal operation
1 - Binary OutputLimiter Select
Limiter Selection can be made on a per-channel basis according to the channel limiter select bits.
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