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TLV320AIC3254 Datasheet(PDF) 5 Page - Texas Instruments |
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TLV320AIC3254 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 53 page  TLV320AIC3254 www.ti.com SLAS549D – SEPTEMBER 2008 – REVISED NOVEMBER 2014 Pin Functions (continued) PIN NAME TYPE(1) DESCRIPTION Primary function: (SPI_Select = 1) SPI serial clock Secondary function: (SPI_Select = 0) Headphone-detect input Digital microphone input 8 SCLK / MFP3 DI Audio serial data bus (secondary) bit clock input Audio serial data bus (secondary) DAC or common word clock input Audio serial data bus (secondary) ADC word clock input Audio serial data bus (secondary) data input General Purpose Input I2C interface serial clock (SPI_Select = 0) 9 SCL/SS DI SPI interface mode chip-select signal (SPI_Select = 1) I2C interface mode serial data input (SPI_Select = 0) 10 SDA/MOSI DI SPI interface mode serial data input (SPI_Select = 1) Primary function: (SPI_Select = 1) Serial data output Secondary function: (SPI_Select = 0) General purpose output CLKOUT output INT1 output 11 MISO / MFP4 DO INT2 output Audio serial data bus (primary) ADC word clock output Digital microphone clock output Audio serial data bus (secondary) data output Audio serial data bus (secondary) bit clock output Audio serial data bus (secondary) word clock output 12 SPI_ SELECT DI Control mode select pin ( 1 = SPI, 0 = I2C ) Multifunction Analog Input, 13 IN1_L AI or Single-ended configuration: MIC 1 or Line 1 left or Differential configuration: MIC or Line right, negative Multifunction Analog Input, 14 IN1_R AI or Single-ended configuration: MIC 1 or Line 1 right or Differential configuration: MIC or Line right, positive Multifunction Analog Input, 15 IN2_L AI or Single-ended configuration: MIC 2 or Line 2 left or Differential configuration: MIC or Line left, positive Multifunction Analog Input, 16 IN2_R AI or Single-ended configuration: MIC 2 or Line 2 right or Differential configuration: MIC or Line left, negative 17 AVSS Ground Analog ground supply 18 REF AO Reference voltage output for filtering 19 MICBIAS AO Microphone bias voltage output Multifunction Analog Input, or Single-ended configuration: MIC3 or Line 3 left, 20 IN3_L AI or Differential configuration: MIC or Line left, positive, or Differential configuration: MIC or Line right, negative Multifunction Analog Input, or Single-ended configuration: MIC3 or Line 3 right, 21 IN3_R AI or Differential configuration: MIC or Line left, negative, or Differential configuration: MIC or Line right, positive 22 LOL AO Left line output 23 LOR AO Right line output Analog voltage supply 1.5V–1.95V 24 AVDD Input when A-LDO disabled, Power Filtering output when A-LDO enabled Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TLV320AIC3254 |
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