STM32F103T8 STMicroelectronics, STM32F103T8 Datasheet - Page 53

• Manufacturer Part Number: STM32F103T8
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103T8

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs

STM32F103x8, STM32F103xB
5.3.7
Figure 24. Typical application with a 32.768 kHz crystal
Internal clock source characteristics
The parameters given in
temperature and V
High-speed internal (HSI) RC oscillator
Table 24.
1. V
2. Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from
3. Guaranteed by design, not tested in production.
4. Based on characterization, not tested in production.
DuCy
I
t
DD(HSI)
Symbol
ACC
su(HSI)
the ST website www.st.com.
f
DD
HSI
(HSI)
HSI
Resonator with
integrated capacitors
= 3.3 V, T
(4)
(4)
Frequency
Duty cycle
Accuracy of the HSI
oscillator
HSI oscillator
startup time
HSI oscillator power
consumption
HSI oscillator characteristics
A
C L2
C L1
= –40 to 105 °C unless otherwise specified.
Parameter
DD
supply voltage conditions summarized in
32.768 kH z
resonator
Table 24
Doc ID 13587 Rev 13
User-trimmed with the RCC_CR
register
Factory-
calibrated
are derived from tests performed under ambient
OSC32_OU T
OSC32_IN
(2)
(4)
Conditions
R F
(1)
T
T
T
T
A
A
A
A
controlled
= –40 to 105 °C
= –10 to 85 °C
= 0 to 70 °C
= 25 °C
Bias
gain
STM32F103xx
Table
f LSE
Electrical characteristics
–1.5
–1.3
–1.1
Min
45
–2
1
9.
Typ
80
8
Max
100
1
2.5
2.2
1.8
55
2
2
(3)
ai14146
MHz
Unit
53/99
µA
µs
%
%
%
%
%
%