BAT32G1x9 user manual | Chapter 29 Reset function
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Rev.1.02
Figure 28-5
Confirmation steps for reset source
after reset accepted
read RESF register
SYSRF of RESF
register = 1?
generate internal reset
request due to system reset
request bit been set.
Yes
WDTRF of RESF
register = 1?
generate internal reset
request due to watchdog
Timer
No
Yes
RPERF of RESF
register = 1?
generate internal reset
request due to RAM parity
check error.
No
Yes
IAWRF of RESF
register = 1?
generate internal reset
request due to illegal
accesss registers
No
Yes
LVIRF of RESF
register = 1?
generate internal reset
request due to voltage
detection circuit
No
Yes
No
generate power on reset /
external reset
read RESF register, save RESF value to any RAM location
(clear RESF register)
Note that the above process is an example of a confirmation step.