TLV320AIC3204 Datasheet, PDF (101/159 Pages) Texas Instruments – Ultra Low Power Stereo Audio Codec

TLV320AIC3204
www.ti.com
Ultra Low Power Stereo Audio Codec
SLOS602A – SEPTEMBER 2008 – REVISED OCTOBER 2008
w 30 13 82
# Program OSR for ADC to 128
w 30 14 80
# Select ADC PRB_R1
w 30 3d 01
# Select Page 1
w 30 00 01
# Disable Internal Crude AVdd in presence of external AVdd supply or before
# powering up internal AVdd LDO
w 30 01 08
# Enable Master Analog Power Control
w 30 02 00
# Set the input common mode to 0.9V
w 30 0a 00
# Select ADC PTM_R4
w 30 3d 00
# Set MicPGA startup delay to 3.1ms
w 30 47 32
# Set the REF charging time to 40ms
w 30 7b 01
# Route IN1L to LEFT_P with 20K input impedance
w 30 34 80
# Route Common Mode to LEFT_M with impedance of 20K
w 30 36 80
# Route IN1R to RIGHT_P with input impedance of 20K
w 30 37 80
# Route Common Mode to RIGHT_M with impedance of 20K
w 30 39 80
# Unmute Left MICPGA, Gain selection of 6dB to make channel gain 0dB
# Register of 6dB with input impedance of 20K => Channel Gain of 0dB
w 30 3b 0c
# Unmute Right MICPGA, Gain selection of 6dB to make channel gain 0dB
# Register of 6dB with input impedance of 20K => Channel Gain of 0dB
w 30 3c 0c
# Select Page 0
w 30 00 00
# Power up Left and Right ADC Channels
w 30 51 c0
# Unmute Left and Right ADC Digital Volume Control.
w 30 52 00
5.22.5 Stereo ADC with 48ksps Sample Rate and Low Power
Assumption
AVdd = 1.8V, DVdd = 1.8V
MCLK = 12.288MHz
Default settings used.
PLL Disabled
I2S Interface with 16bit Word Length.
# Initialize to Page 0
w 30 00 00
# S/W Reset to initialize all registers
w 30 01 01
# Power up NADC divider with value 1
w 30 12 81
# Power up MADC divider with value 4
w 30 13 84
# Program OSR for ADC to 64
w 30 14 40
# Select ADC PRB_R7
w 30 3d 07
# Select Page 1
w 30 00 01
# Disable Internal Crude AVdd in presence of external AVdd supply or before
#powering up internal AVdd LDO
w 30 01 08
# Enable Master Analog Power Control
w 30 02 00
# Set the input common mode to 0.75V
w 30 0a 40
# Select ADC PTM_R1
w 30 3d ff
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Application Information 101