Infineon Technologies KITXMC2GOXMC1100V1TOBO1 Datenbogen
XMC1100
XMC1000 Family
Electrical Parameter
Data Sheet
42
V1.4, 2014-05
shows the typical curves for the accuracy of DCO1, with and without
calibration based on temperature sensor, respectively.
Figure 13
Typical DCO1 accuracy over temperature
provides the characteristics of the 32 kHz clock output from digital controlled
oscillators, DCO2 in XMC1100.
Table 20
32 kHz DCO2 Characteristics (Operating Conditions apply)
Parameter
Symbol
Limit Values
Unit Test Conditions
Min.
Typ.
Max.
Nominal frequency
f
NOM
CC 32.5
32.75 33
kHz
under nominal
conditions
conditions
1)
after trimming
1) The deviation is relative to the factory trimmed frequency at nominal
V
DDC
and
T
A
= + 25
°C.
Accuracy
Δ
f
LT
CC -1.7
–
3.4
%
with respect to
f
NOM
(typ),
over temperature
(0
(0
°C to 85 °C)
2)
2) Not subject to production test, verified by design/characterisation.
-3.9
–
4.0
%
with respect to
f
NOM
(typ),
over temperature
(-40
(-40
°C to 105 °C)
- 4.00
- 3.00
- 2.00
- 1.00
0.00
1.00
2.00
3.00
4.00
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
Ac
c
u
ra
c
y
[
%
]
Temperature [ C]
Without calibration based
on temperature sensor
on temperature sensor
With calibration based on
temperature sensor
temperature sensor
°
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