Datasheet

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