XMC4500
XMC4000 Family
Electrical Parameters
3.3.2
Power-Up and Supply Monitoring
PORST is always asserted when VDDP and/or VDDC violate the respective thresholds.
Note: These parameters are not subject to production test, but verified by design and/or
characterization.
Table 32
Supply Monitoring Parameters
Symbol
Parameter
Values
Unit Note /
Test Condition
Min. Typ. Max.
3)
Digital supply voltage reset VPOR CC 2.791)
threshold
−
3.052)
1.17
−
V
V
V
Core supply voltage reset VPV CC
threshold
−
−
−
V
DDP voltage to ensure
VDDPPA
1.0
defined pad states
CC
PORST rise time
tPR SR
−
−
−
2
μs
Startup time from power-on tSSW CC
reset with code execution
from Flash
2.5
3.5
ms
Time to the first
user code
instruction
V
DDC ramp up time
tVCR CC
−
550
−
μs
Ramp up after
power-on or
after a reset
triggered by a
violation of
VPOR or VPV
1) Minimum threshold for reset assertion.
2) Maximum threshold for reset deassertion.
3) The VDDP monitoring has a typical hysteresis of VPORHYS = 180 mV.
Data Sheet
62
V1.0, 2013-01
Subject to Agreement on the Use of Product Information