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ADAU1761BCPZ-R7 数据表(PDF) 82 Page - Analog Devices |
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ADAU1761BCPZ-R7 数据表(HTML) 82 Page - Analog Devices |
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82 / 92 page ![]() Data Sheet ADAU1761 CONTROL REGISTERS analog.com Rev. F | 82 of 92 Table 144. Serial Port Sampling Rate Register (Continued) Bits Bit Name Description 100 fS/2 24 kHz 101 fS/1.5 32 kHz 110 fS/0.5 96 kHz 111 Reserved R65: Clock Enable 0, 16,633 (0x40F9) This register disables or enables the digital clock engine for different blocks within the ADAU1761. For maximum power saving, use this register to disable blocks that are not being used. Table 145. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved SLEWPD ALCPD DECPD SOUTPD INTPD SINPD SPPD Table 146. Clock Enable 0 Register Bits Bit Name Description 6 SLEWPD Codec slew digital clock engine enable. When powered down, the analog playback path volume controls are disabled and stay set to their current state. 0 = powered down (default). 1 = enabled. 5 ALCPD ALC digital clock engine enable. 0 = powered down (default). 1 = enabled. 4 DECPD Decimator resync (dejitter) digital clock engine enable. 0 = powered down (default). 1 = enabled. 3 SOUTPD Serial routing outputs digital clock engine enable. 0 = powered down (default). 1 = enabled. 2 INTPD Interpolator resync (dejitter) digital clock engine enable. 0 = powered down (default). 1 = enabled. 1 SINPD Serial routing inputs digital clock engine enable. 0 = powered down (default). 1 = enabled. 0 SPPD Serial port digital clock engine enable. 0 = powered down (default). 1 = enabled. R66: Clock Enable 1, 16,634 (0x40FA) This register enables Digital Clock Generator 0 and Digital Clock Generator 1. Digital Clock Generator 0 generates sample rates for the ADCs, DACs, and DSP. Digital Clock Generator 1 generates BCLK and LRCLK for the serial port when the part is in main mode. For maximum power saving, use this register to disable clocks that are not being used. Table 147. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved CLK1 CLK0 |
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