XMC4500
XMC4000 Family
Electrical Parameters
3.3.5
Internal Clock Source Characteristics
Note: These parameters are not subject to production test, but verified by design and/or
characterization.
Fast Internal Clock Source
Table 35
Fast Internal Clock Parameters
Parameter
Symbol
Values
Unit Note /
Test Condition
Min.
−
Typ.
36.5
24
Max.
−
Nominal frequency
Accuracy
fOFINC
CC
MHz not calibrated
MHz calibrated
−
−
ΔfOFI
CC
-0.5
−
0.5
%
automatic
calibration1)2)
-15
−
15
%
factory
calibration,
V
DDP = 3.3 V
no calibration,
DDP = 3.3 V
-25
-7
−
−
25
7
%
%
V
Variation over
voltage range3)
3.13 V ≤ VDDP
≤
3.63 V
Start-up time
t
OFIS CC −
50
−
μs
1) Error in addition to the accuracy of the reference clock.
2) Automatic calibration compensates variations of the temperature and in the VDDP supply voltage.
3) Deviations from the nominal VDDP voltage induce an additional error to the uncalibrated and/or factory
calibrated oscillator frequency.
Data Sheet
66
V1.0, 2013-01
Subject to Agreement on the Use of Product Information
INFINEON [ Infineon ]
