Datasheet

TLV320AIC3120
SLAS653A –FEBRUARY 2010–REVISED MAY 2012 www.ti.com
# (g) Program the processing block to be used
#
# select DAC DSP Processing Block PRB_P16
w 30 3C 10
w 30 00 08
w 30 01 04
w 30 00 00
#
# 3. Program analog blocks
#
# (a) Set register page to 1
#
w 30 00 01
#
# (b) Program common-mode voltage (defalut = 1.35 V)
#
w 30 1F 04
# (c) Program headphone-specific depop settings (in case headphone driver is used)
#
# De-pop, Power on = 800 ms, Step time = 4 ms
w 30 21 4E
#
# (d) Program routing of DAC output to the output amplifier (headphone/lineout or speaker)
#
# LDAC routed to HPL out, RDAC routed to HPR out
w 30 23 44
#
# (e) Unmute and set gain of output driver
#
# Unmute HPL, set gain = 0 db
w 30 28 06
# Unmute Class-D, set gain = 18 dB
w 30 2A 1C
#
# (f) Power up output drivers
#
# HPL and HPR powered up
w 30 1F C2
# Power-up Class-D drivers
w 30 20 C6
# Enable HPL output analog volume, set = -9 dB
w 30 24 92
# Enable Class-D output analog volume, set = -9 dB
w 30 26 92
#
# 4. Apply waiting time determined by the de-pop settings and the soft-stepping settings of
# the driver gain or poll page 1 / register 63
#
# 5. Power up DAC
# (a) Set register page to 0
#
w 30 00 00
#
# (b) Power up DAC channels and set digital gain
#
# Powerup DAC (soft step enabled)
w 30 3F D4
#
# DAC gain = -22 dB
w 30 41 D4
#
# (c) Unmute digital volume control
#
# Unmute DAC
w 30 40 00
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