Datasheet

TLV320AIC3204
SLOS602B –SEPTEMBER 2008–REVISED OCTOBER 2012 www.ti.com
Table 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:
Digital Microphone Input
General Purpose Clock Input
General Purpose Input
5 DOUT O Primary function:
Audio serial data bus data output
MFP2 Secondary function:
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 IOV
DD
Power IO voltage supply 1.1V – 3.6V
7 IOV
SS
Ground IO ground supply
8 SCLK I Primary function: (SPI_Select = 1)
/ SPI serial clock
MFP3 Secondary function: (SPI_Select = 0)
Headphone-detect input
Digital microphone input
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
9 SCL/SS I I
2
C interface serial clock (SPI_Select = 0)
SPI interface mode chip-select signal (SPI_Select = 1)
10 SDA/MOSI I I
2
C interface mode serial data input (SPI_Select = 0)
SPI interface mode serial data input (SPI_Select = 1)
11 MISO O Primary function: (SPI_Select = 1)
/ Serial data output
MFP4 Secondary function: (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 = I
2
C )
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