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PCM1861 Datasheet(PDF) 11 Page - Texas Instruments |
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PCM1861 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 145 page  11 PCM1860, PCM1861, PCM1862 PCM1863, PCM1864, PCM1865 www.ti.com SLAS831D – MARCH 2014 – REVISED MARCH 2018 Product Folder Links: PCM1860 PCM1861 PCM1862 PCM1863 PCM1864 PCM1865 Submit Documentation Feedback Copyright © 2014–2018, Texas Instruments Incorporated (1) Schmitt trigger input with internal pull-down (50 kΩ, typically). Pin Functions: PCM1862, PCM1863, PCM1864, and PCM1865 PIN TYPE DESCRIPTION NO. NAME 1 VINL2/VIN1M Analog input Analog input 2, L-channel (or differential M input for input 1) 2 VINR2/VIN2M Analog input Analog input 2, R-channel (or differential M input for input 2) 3 VINL1/VIN1P Analog input Analog input 1, L-channel (or differential P input for input 1) 4 VINR1/VIN2P Analog input Analog input 1, R-channel (or differential P input for input 2) 5 Mic Bias Power Microphone bias output 6 VREF Power Reference voltage output decoupling point (typically, 0.5 AVDD). Connect 1-µF capacitor from this pin to AGND. 7 AGND Power Analog ground 8 AVDD Power Analog power supply (typically, 3.3 V). Connect 0.1-µF and 10-µF capacitors from this pin to AGND. 9 XO Digital output Crystal oscillator output 10 XI Digital input Crystal oscillator input or master clock input (1.8-V CMOS signal) 11 LDO Power Internal LDO decoupling output, or external 1.8-V input to bypass LDO. Connect 0.1-µF and 10-µF capacitors from this pin to DGND. 12 DGND Power Digital ground 13 DVDD Power Digital power supply (typically, 3.3 V). Connect 0.1-µF and 10-µF capacitors from this pin to DGND. 14 IOVDD Power Power supply for I/O voltages (typically, 3.3 V or 1.8 V). 15 SCKI Digital input CMOS level (3.3 V) master clock input 16 LRCK Digital input/output Audio data world clock (left right clock) input/output(1) 17 BCK Digital input/output Audio data bit clock input/output (1) 18 DOUT Analog output Audio data digital output 19 GPIO3/INTC Digital input/output GPIO 3 or interrupt C 20 GPIO2/INTB/DMCLK Digital input/output GPIO 2, interrupt B, or digital microphone clock output 21 GPIO1/INTA/DMIN Digital input/output GPIO 1, interrupt A, or digital microphone input 22 MISO/GPIO0/DMIN2 Digital input/output In SPI mode: master in, slave out In I2C mode: GPIO0 (or DMIN2 for PCM1864 and PCM1865 only) 23 MOSI/SDA Digital input/output In SPI mode: master out, slave in In I2C mode: SDA 24 MC/SCL Digital input In SPI mode: serial bit clock In I2C mode: serial bit clock 25 MS/AD Digital input In SPI mode: chip select In I2C mode: address pin 26 MD0 Digital input Control method select pin: I2C (tied low or not connected) or SPI (tied high) 27 VINL4/VIN4M Analog input Analog input 4, L-channel (or differential M input for input 4) 28 VINR4/VIN3M Analog input Analog input 4, R-channel (or differential M input for input 3) 29 VINL3/VIN4P Analog input Analog input 3, L-channel (or differential P input for input 4) 30 VINR3/VIN3P Analog input Analog input 3, R-channel (or differential P input for input 3) |
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