ADC: On-board microphone to digital audio output
54
SLAU738 – September 2017
Copyright © 2017, Texas Instruments Incorporated
TLV320AIC3109-Q1 Configuration Scripts
H.4
ADC: On-board microphone to digital audio output
#######################################################
#
On-board microphone to digital output
#
# Jumpers J7 and J8 in default position
# On-board Microphone connected to the ADC block
# PGA = 0dB; ADC volume = 0dB
# MICBIAS level = 2.5V
# I2S, 16-bits, fs = 44.1KHz
# MCLK = 11.2896MHz; BCLK = 2.8224MHz; WCLK = 44.1KHz
#
#######################################################
#
# Page 0 selected
w 30 00 00
#
# Software Reset
w 30 01 80
#
# fs(ref) setting
w 30 07 80
#
# High-pass filter selected, fc = 0x0045 * ADC_fs
w 30 0C 40
#
# MICBIAS = 2.5V
w 30 19 80
#
# IN1P routed to ADC (0dB); ADC powered up
w 30 13 04
#
# PGA unmuted, 0dB
w 30 0f 00