User's Manual

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3.7 Flash update sequence diagram
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
tBS 30 - - µs
tBH 30 - - µs
3.8 Power Off Sequence diagram
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
tCut 0 10 - µs
RESET_EXT_N
tCUT
UART_AT_RX
AT*POFF
*POFF:END
UART_AT_TX
3V3
RESET_EXT_N pin
must be driven low
before next start-up
3V3
RESET_EXT_N
BOOTS
Flash Update
Complete
tBS
tBH
t
FL