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| STM32F205VGT6 Datasheet, PDF (79/163 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera | |||
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STM32F205xx, STM32F207xx
Electrical characteristics
5.3.9
Internal clock source characteristics
The parameters given in Table 27 and Table 28 are derived from tests performed under
ambient temperature and VDD supply voltage conditions summarized in Table 10.
High-speed internal (HSI) RC oscillator
Table 27. HSI oscillator characteristics (1)
Symbol
Parameter
Conditions
Min Typ Max Unit
fHSI Frequency
-
16
- MHz
User-trimmed with the RCC_CR
register(2)
-
-
1
%
ACCHSI
Accuracy of the HSI
oscillator
Factory-
calibrated
TA = â40 to 105 °C â8
TA = â10 to 85 °C
â4
-
-
4.5 %
4
%
TA = 25 °C
â1
-
1
%
tsu(HSI)(3)
HSI oscillator
startup time
-
2.2 4
µs
IDD(HSI)
HSI oscillator
power consumption
-
60 80 µA
1. VDD = 3.3 V, TA = â40 to 105 °C unless otherwise specified.
2. Refer to application note AN2868 âSTM32F10xxx internal RC oscillator (HSI) calibrationâ available from the
ST website www.st.com.
3. Guaranteed by design, not tested in production.
Figure 32. ACCHSI versus temperature
max
6
avg
min
4
2
0
-2
-4
-6
-8
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125
Temperature (°C)
-36
Doc ID 15818 Rev 7
79/163
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