Electrical characteristics
STM32F038x6
High-speed internal 14 MHz (HSI14) RC oscillator (dedicated to ADC)
Table 34. HSI14 oscillator characteristics(1)
Symbol
Parameter
Conditions
Min Typ
fHSI14
TRIM
Frequency
HSI14 user-trimming step
DuCy(HSI14) Duty cycle
ACCHSI14
Accuracy of the HSI14
oscillator (factory calibrated)
tsu(HSI14)
IDDA(HSI14)
HSI14 oscillator startup time
HSI14 oscillator power
consumption
-
-
14
-
-
-
-
45(2)
-
TA = –40 to 105 °C –4.2(3)
-
TA = –10 to 85 °C –3.2(3)
-
TA = 0 to 70 °C
–2.5(3)
-
TA = 25 °C
-
–1
-
1(2)
-
-
-
100
1. VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.
2. Guaranteed by design, not tested in production.
3. Data based on characterization results, not tested in production.
Max Unit
-
1(2)
55(2)
5.1(3)
3.1(3)
2.3(3)
1
2(2)
MHz
%
%
%
%
%
%
µs
150(2) µA
Figure 18. HSI14 oscillator accuracy characterization results
-!8
-).
4! ; #=
-36
58/102
DocID026079 Rev 5