AN2339
Reset control
11/20
Power On Reset (POR reset)
Internal reset is active until VDDQ and VDD are both above the LVD thresholds. This POR
condition has a duration of t
POR
(10ms min)
,
after which the CPU fetches the first instruction
from address 0x0000 0000.
Figure 6.
Reset timing
4.2 Reset
output
The RESET_OUT pin can be used to reset other application components when a system or
global reset occurs.
RESET_IN
Internal RESET0
Internal RESET1
f
OSC
...
POR reset time ~10ms
Minimum 100ns
(Flash signal)
(CPU and peripherals)
pin
POR reset
Flash memory
initialization phase
