Datasheet

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STM32F334x4 STM32F334x6 STM32F334x8 Electrical characteristics
101
High-speed internal (HSI) RC oscillator
Figure 18. HSI oscillator accuracy characterization results for soldered parts
Table 40. HSI oscillator characteristics
(1)
1. V
DDA
= 3.3 V, T
A
= –40 to 105 °C unless otherwise specified.
Symbol Parameter Conditions Min. Typ. Max. Unit
f
HSI
Frequency - - 8 - MHz
TRIM HSI user trimming step - - - 1
(2)
2. Guaranteed by design, not tested in production.
%
DuCy
(HSI)
Duty cycle - 45
(2)
-55
(2)
%
ACC
HSI
Accuracy of the HSI
oscillator (factory
calibrated)
T
A
= –40 to 105 °C –2.8
(3)
3. Data based on characterization results, not tested in production.
-3.8
(3)
%
T
A
= –10 to 85 °C –1.9
(3)
-2.3
(3)
T
A
= 0 to 85 °C -1.9
(3)
-2
(3)
T
A
= 0 to 70 °C -1.3
(3)
-2
(3)
T
A
= 0 to 55 °C –1
(3)
-2
(3)
T
A
= 25 °C
(4)
4. Factory calibrated, parts not soldered
–1 - 1
t
su(HSI)
HSI oscillator startup
time
-1
(2)
-2
(2)
µs
I
DDA(HSI)
HSI oscillator power
consumption
- - 80 100
(2)
µA
MS30985V4
T [ºC]
A
MAX
MIN
-40 -20 0 20 40 60 80 100 120
4%
3%
2%
1%
0%
-1%
-2%
-3%
-4%
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