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Firmware UM1694
10/30 DocID025509 Rev 1
Analog comparators
16-bit system timer
State machine event driven
CPP0 Currently not used
CPP1 Currently not used
CPP2 Currently not used
CPP3 Sets the bridge peak current value
STMR Sets the correct timing of all events for the application:
– PID controller
– drive signals of the bridge
– systems state machine
SMED0 Provides for the high frequency signal generation of the
bridge; it is also used for ZCD signal synchronization and
bridge peak current control
SMED1 Provides for the high frequency signal generation of the
bridge; it is also used for ZCD signal synchronization and
bridge peak current control
SMED2 Currently not used
SMED3 Currently not used
SMED4 Generates the signals for the PFC switch
SMED5 Generates the reference voltage for CPP3 comparator