STM32F051R4T6TR STMicroelectronics, STM32F051R4T6TR Datasheet - Page 61

• Manufacturer Part Number: STM32F051R4T6TR
• Description: ARM Microcontrollers - MCU ARM Cortex M0 16kB 48 MHz CPU 8kB Flash
• Manufacturer: STMicroelectronics

Specifications of STM32F051R4T6TR

• Rohs: yes

Electrical characteristics
Note:
6.3.7
62/105
Figure 15. Typical application with a 32.768 kHz crystal
An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden
to add one.
Internal clock source characteristics
The parameters given in
temperature and supply voltage conditions summarized in
High-speed internal (HSI) RC oscillator
Table 38.
1. V
2. Guaranteed by design, not tested in production.
3. Data based on characterization results, not tested in production.
DuCy
Symbol
ACC
I
t
DD(HSI)
TRIM
su(HSI)
DDA
f
HSI
(HSI)
HSI
= 3.3 V, T
HSI oscillator characteristics
Frequency
HSI user trimming step
Duty cycle
Accuracy of the HSI
oscillator (factory
calibrated)
HSI oscillator startup
time
HSI oscillator power
consumption
A
= –40 to 105 °C unless otherwise specified.
Parameter
Table 38
Doc ID 022265 Rev 3
are derived from tests performed under ambient
T
T
T
T
A
A
A
A
= –40 to 105 °C
= –10 to 85 °C
= 0 to 70 °C
= 25 °C
Conditions
(1)
Table
–3.8
–2.9
–1.3
45
Min
1
–1
(2)
-
-
-
(2)
(3)
(3)
(3)
20.
Typ
80
8
-
-
-
-
-
-
-
100
4.6
2.9
2.2
55
Max
1
2
STM32F051x
1
(2)
(2)
(2)
(3)
(3)
(3)
(2)
MHz
Unit
µA
µs
%
%
%
%
%
%