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TLV320AIC3254 Datasheet(PDF) 4 Page - Texas Instruments |
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TLV320AIC3254 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 168 page  TLV320AIC3254 Ultra Low Power Stereo Audio Codec With Embedded miniDSP SLAS549A – SEPTEMBER 2008 – REVISED OCTOBER 2008 www.ti.com Table 2-1. TERMINAL FUNCTIONS TERMINAL NAME TYPE DESCRIPTION 1 MCLK I Master Clock Input 2 BCLK IO Audio serial data bus (primary) bit clock 3 WCLK IO Audio serial data bus (primary) word clock 4 DIN I Primary function Audio serial data bus data input MFP1 Secondary function Audio serial data bus (secondary) bit clock input Audio serial data bus (secondary) word clock input Digital Microphone Input Clock Input General Purpose Input 5 DOUT O Primary Audio serial data bus data output MFP2 Secondary General Purpose Output Clock Output INT1 Output INT2 Output Audio serial data bus (secondary) bit clock output Audio serial data bus (secondary) word clock output 6 IOVDD Power I/O voltage supply 1.1V – 3.6V 7 IOVSS Ground I/O ground supply 8 SCLK I Primary (SPI_Select = 1) SPI serial clock MFP3 Secondary: (SPI_Select = 0) Headset-detect input Digital microphone input Audio serial data bus (secondary) bit clock input Audio serial data bus (secondary) DAC/common word clock input Audio serial data bus (secondary) ADC word clock input Audio serial data bus (secondary) data input General Purpose Input 9 SCL/ I I2C interface serial clock (SPI_Select = 0) SSZ SPI interface mode chip-select signal (SPI_Select = 1) 10 SDA/ MOSI I I2C interface mode serial data input (SPI_Select = 0) SPI interface mode serial data input (SPI_Select = 1) 11 MISO O Primary (SPI_Select = 1) Serial data output MFP4 Secondary (SPI_Select = 0) General purpose output CLKOUT output INT1 output 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 I Control mode select pin ( 1 = SPI, 0 = I2C ) Package and Signal Descriptions 4 Submit Documentation Feedback |
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