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ADAU1761BCPZ-R7 数据表(PDF) 85 Page - Analog Devices |
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ADAU1761BCPZ-R7 数据表(HTML) 85 Page - Analog Devices |
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85 / 93 page ![]() ADAU1761 Rev. C | Page 84 of 92 R60: Serial Data/GPIO Pin Configuration, 16,628 (0x40F4) The serial data/GPIO pin configuration register controls the functionality of the serial data port pins. If the bits in this register are set to 1, these pins are configured as GPIO interfaces to the SigmaDSP. If these bits are set to 0, they are configured as serial data I/O port pins. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved LRGP3 BGP2 SDOGP1 SDIGP0 Table 85. Serial Data/GPIO Pin Configuration Register Bits Bit Name Description 3 LRGP3 LRCLK or GPIO3 pin configuration select. 0 = LRCLK enabled (default). 1 = GPIO3 enabled. 2 BGP2 BCLK or GPIO2 pin configuration select. 0 = BCLK enabled (default). 1 = GPIO2 enabled. 1 SDOGP1 ADC_SDATA or GPIO1 pin configuration select. 0 = ADC_SDATA enabled (default). 1 = GPIO1 enabled. 0 SDIGP0 DAC_SDATA or GPIO0 pin configuration select. 0 = DAC_SDATA enabled (default). 1 = GPIO0 enabled. R61: DSP Enable, 16,629 (0x40F5) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved DSPEN Table 86. DSP Enable Register Bits Bit Name Description 0 DSPEN Enables the DSP. Set this bit before writing to the parameter RAM and before setting the DSPRUN bit in Register R62 (Address 0x40F6). 0 = DSP disabled (default). 1 = DSP enabled. R62: DSP Run, 16,630 (0x40F6) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Reserved DSPRUN Table 87. DSP Run Register Bits Bit Name Description 0 DSPRUN Run the DSP. Set the DSPEN bit in Register R61 (Address 0x40F5) before setting this bit. 0 = DSP off (default). 1 = run the DSP. |
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