Transfer Wake up reasons to the Stand by µP.
Stand by
Semi Stand by
Disable all supply related protections and switch “off”
the DC/DC converter (via the Enable-3V3 I/O line)
Switch “off” all supplies by switching HIGH the
standby I/O line..
Switch AVC system in reset state
Important remark:
release reset audio 10 sec after
entering standby to save power
Switch “off” the +1V2 DC/DC converters
Wait 5ms
Wait 10ms
Switch the NVM reset line HIGH.
Delay transition until ramping down of ambient light is
finished. *)
If ambientlight functionality was used in semi -standby
(lampadaire mode), switch “off” ambient light
*) If this is not performed and the set is
switched to standby when the switch “off” of
the ambilights is still ongoing , the lights will
switch “off” abruptly when the supply is cut.
Switch Memories to self-refresh (this creates a more
stable condition when switching “off” the power).
I_18010_072.eps
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