SLASEC2B November 2016 – February 2019 TAS2557
PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
The following code example provide the correct sequence to mute and power down the device. The PurePath Console 3 Software TAS2557 Application software will create output files with these commands.
Example script (ROM Mode 2):
#############################################################################################
i i2cstd
################### CHANNEL POWER DOWN ####################################################
w 98 07 01 # Soft stepped mute of audio playback
d 10 # wait for DSP to mute classD after soft step down of audio
# instead of delay alternatively status flag B120_P15_R120_R121_R122_R123 polling can be done and wait till R122_D0 = '1'.
w 98 7f 00 # switch to book0
w 98 07 03 # Mute Analog Blocks
w 98 04 20 # Power down DSP and clock dividers (except Ndivider)
w 98 05 00 # Power down Analog Blocks
w 98 00 00 # NOP
w 98 04 00 # Power down Ndivider
#############################################################################################
#optional(ending the script in B0_P0)
w 98 00 00 # page 0
w 98 7f 00 # book 0
#############################################################################################