TAS5727
SLOS670 –NOVEMBER 2010
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PWM SWITCHING RATE CONTROL REGISTER (0x4F)
PWM switching rate should be selected through the register 0x4F before coming out of all-channnel shutdown.
Table 24. PWM Switching Rate Control Register (0x4F)
D31
0
D30
0
D29
0
D28
0
D27
0
D26
0
D25
0
D24
0
FUNCTION
FUNCTION
FUNCTION
FUNCTION
Reserved(1)
Reserved(1)
Reserved(1)
D23
0
D22
0
D21
0
D20
0
D19
0
D18
0
D17
0
D16
0
D15
0
D14
0
D13
0
D12
0
D11
0
D10
0
D9
0
D8
0
D7
–
D6
–
D5
0
D4
0
D3
–
D2
–
D1
–
D0
–
Reserved(1)
SRC = 6(1)
SRC = 7
–
–
–
–
0
1
1
0
–
–
–
–
0
1
1
1
–
–
–
–
1
0
0
0
SRC = 8
–
–
–
–
1
0
0
1
SRC = 9
–
–
–
–
1
0
1
0
Reserved
Reserved
–
–
–
–
1
1
–
–
(1) Default values are in bold.
BANK SWITCH AND EQ CONTROL (0x50)
Table 25. Bank Switching Command (0x50)
D31
0
D30
0
D29
0
D28
0
D27
0
D26
0
D25
0
D24
0
FUNCTION
FUNCTION
FUNCTION
FUNCTION
Reserved(1)
Reserved(1)
Reserved(1)
EQ ON(1)
D23
0
D22
0
D21
0
D20
0
D19
0
D18
0
D17
0
D16
0
D15
0
D14
0
D13
0
D12
0
D11
0
D10
0
D9
0
D8
0
D7
0
D6
D5
D4
D3
D2
D1
D0
1
–
0
–
–
–
0
1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
EQ OFF (bypass BQ 0–7 of channels 1 and 2)
Reserved(1)
Ignore bank-mapping in bits D31–D8. Use default mapping.(1)
–
–
Use bank-mapping in bits D31–D8.
L and R can be written independently.(1)
–
–
–
–
0
–
–
–
–
–
–
–
–
L and R are ganged for EQ biquads; a write to the left-channel
biquad is also written to the right-channel biquad. (0x29–0x2F is
ganged to 0x30–0x36. Also, 0x58–0x5B is ganged to 0x5C–0x5F.
–
1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0
–
–
–
–
–
0
0
0
1
–
0
0
1
X
–
0
1
X
X
Reserved(1)
No bank switching. All updates to DAP(1)
Configure bank 1 (32 kHz by default)
Reserved
Reserved
(1) Default values are in bold.
54
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