EFM32G840F128 Datasheet, PDF (31/71 Pages) Silicon Laboratories – ARM Cortex-M3 CPU platform

...the world's most energy friendly microcontrollers
Figure 3.23. Calibrated HFRCO 21 MHz Band Frequency vs Supply Voltage and Temperature
21.2
21.1
- 40°C
25°C
85°C
21.0
20.9
20.8
20.7
20.6
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [V]
21.2
21.1
1.8 V
3V
3.8 V
21.0
20.9
20.8
20.7
20.6
–4 0
–1 5
5
25
45
65
85
Tem perature [°C]
Figure 3.24. Calibrated HFRCO 28 MHz Band Frequency vs Supply Voltage and Temperature
28.1
28.0
27.9
27.8
27.7
27.6
27.5
- 40°C
25°C
85°C
27.4
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [V]
28.1
28.0
27.9
1.8 V
3V
3.8 V
27.8
27.7
27.6
27.5
27.4
–4 0
–1 5
5
25
45
65
85
Tem perature [°C]
3.9.5 ULFRCO
Table 3.13. ULFRCO
Symbol
f_ULFRCO
TC_ULFRCO
VC_ULFRCO
Parameter
Condition
Oscillation frequen- 25°C, 3V
cy
Temperature coeffi-
cient
Supply voltage co-
efficient
3.10 Analog Digital Converter (ADC)
Table 3.14. ADC
Symbol
V_ADCIN
Parameter
Condition
Input voltage range ^{Single ended}
Min
Typ
0.8
Max
Unit
1.5 kHz
0.05
%/°C
-18.2
%/V
Min
Typ
0
Max
Unit
V_REF V
2013-11-22 - EFM32G840FXX - d0008_Rev1.71
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