SLASEE8B November 2016 – February 2019 TAS2559
PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
The following code example provide the correct sequence to power up and unmute the device. The PurePath Console 3 Software TAS2559 Application software will create output files with these commands. The following is a example of powering up the part in DSP Mode 2 with proper sequencing.
Example script (ROM Mode 2):
#############################################################################################
i i2cstd
#mclk expected is 24.576 MHz
#configuring device registers for 8 ohm speaker load
########################### DEVICE INIT SEQ START##############################################
w 98 00 00 #Page-0
w 98 7f 00 #Book-0
w 98 01 01 #Software reset
d 1 # wait 100us time for OTP-One Time Programmable memory values to be transferred to device
##### DSP PROG SETTING START
w 98 22 22 # use default coefficients and operate DSP in rom mode 2
##### DSP PROG SETTING END
########################### DEVICE INIT SEQ END ###############################################
################### CHANNEL POWER UP ####################################################
w 98 05 A3 # Power up Analog Blocks
w 98 04 B8 # Power up DSP and clock dividers
w 98 07 00 # Unmute Analog Blocks
w 98 7f 64 # switch to book100
w 98 07 00 # Soft stepped unmute of audio playback
############################################################################################
##### DSP coeff update START
# d 1
# DSP filter coefficient update if required
##### DSP coeff update END
b ############device powered up and running##########