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Reg register settings in AIC3254

Aravind .R
Genius 3175 points


Hi Everyone,

I am not able to find any programming examples in net for writing the register settings in AIC3254. can anyone of you please share me the programming example for register writings in AIC3254 with either I2C or SPI interface. Kindly help me out or else please let me know which are the main registers that has to be configured through MCU. Kindly help me out with the programming example

Regards,

Aravind

  • 0
    TI__Guru**** 189401 points

    Hi, Aravind,

    This file is located on pps.ext.ti.com which you should have access to once you are approved for access to PurePath Studio.

    -d2

    ###############################################
# Power Down Sequence
###############################################
#
# Select Page 1
w 30 00 01
#
# Power Down HP/LO Amps
w 30 09 00
#
# Select Page 1
w 30 00 00
#
# Power Down DACs
w 30 3F 14
w 30 40 0C
#
# Power Down ADCs
w 30 51 00
#
###############################################


###############################################
# Configure Power Supplies
###############################################
#
# Select Page 1
w 30 00 01
#
# Power up AVDD LDO
w 30 02 A9
#
# Disable weak AVDD in presence of external
# AVDD supply
w 30 01 08
#
# Enable Master Analog Power Control
# Power up AVDD LDO
w 30 02 A1
#
# Set the input power-up time to 3.1ms (for ADC)
w 30 47 32
#
# Set the REF charging time to 40ms
w 30 7b 01
#
###############################################


###############################################
# Configure ADC Channel
###############################################
#
# Select Page 1
w 30 00 01
#
# Route IN2L to LEFT_P with 10K input impedance
w 30 34 10
#
# Route CM1L to LEFT_M with 10K input impedance
w 30 36 40
#
# Route IN2R to RIGHT_P with 10K input impedance
w 30 37 10
#
# Route CM1R to RIGHT_M with 10K input impedance
w 30 39 40
#
# Unmute Left MICPGA, Gain selection of 0dB to
# make channel gain 0dB, since 10K input
# impedance is used single ended
w 30 3b 00
#
# Unmute Right MICPGA, Gain selection of 0dB to
# make channel gain 0dB, since 10K input
# impedance is used single ended
w 30 3c 00
#
# Select Page 0
w 30 00 00
#
# Power up LADC/RADC
w 30 51 c0
#
# Unmute LADC/RADC
w 30 52 00
#
###############################################

###############################################
# Playback Setup
###############################################
#
# Select Page 1
w 30 00 01
#
# De-pop: 16 time constants, 6k resistance
w 30 14 35
#
# Route LDAC/RDAC to HPL/HPR
w 30 0c 08 08
#
# Route LDAC/RDAC to LOL/LOR
w 30 0e 08 08
#
# Power up HPL/HPR and LOL/LOR drivers
w 30 09 3C
#
# Unmute HPL/HPR driver, 0dB Gain
w 30 10 00 00
#
# Unmute LOL/LOR driver, 0dB Gain
w 30 12 00 00
#
# Select Page 0
w 30 00 00
#
# DAC => 0dB
w 30 41 00 00
#
# Power up LDAC/RDAC
w 30 3f d6
#
# Unmute LDAC/RDAC
w 30 40 00
#
###############################################
  • 0 in reply to Don Dapkus
    Genius 3175 points

    Hi Sir

    Thanks for your reply. I am having access to purepath studio, i am downlaoding, once i downloaded, i will check it and incase of having any doubts, i will post my doubts

    Regards,

    Aravind