STM32F102C8 STMicroelectronics, STM32F102C8 Datasheet - Page 42

• Manufacturer Part Number: STM32F102C8
• Description: Mainstream USB Access line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 48 MHz CPU, USB FS
• Manufacturer: STMicroelectronics

Specifications of STM32F102C8

• Core: ARM 32-bit Cortex™-M3 CPU
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs
• Conversion Range: 0 to 3.6 V
• Systick Timer: 24-bit downcounter

Electrical characteristics
Caution:
5.3.7
42/69
To avoid exceeding the maximum value of C
to use a resonator with a load capacitance C
capacitance of 12.5 pF.
Example: if you choose a resonator with a load capacitance of C
then C
Figure 19. 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 23.
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.
I
t
DD(HSI)
Symbol
ACC
su(HSI)
the ST website www.st.com.
f
DD
HSI
HSI
L1
= 3.3 V, T
(4)
(4)
= C
Frequency
Accuracy of the HSI
oscillator
HSI oscillator
startup time
HSI oscillator power
consumption
Resonator with
integrated capacitors
L2
HSI oscillator characteristics
A
= 8 pF.
= –40 to 105 °C unless otherwise specified.
Parameter
C L2
C L1
DD
supply voltage conditions summarized in
Table 23
32.768 KH z
resonator
Doc ID 15056 Rev 3
User-trimmed with the RCC_CR
register
Factory-
calibrated
are derived from tests performed under ambient
OSC32_OU T
OSC32_IN
(2)
(4)
Conditions
(1)
L1
L
R F
T
T
T
T

A
A
A
A
and C
= –40 to 105 °C
= –10 to 85 °C
= 0 to 70 °C
= 25 °C
7 pF. Never use a resonator with a load
controlled
Bias
gain
L2
(15 pF) it is strongly recommended
STM32F102x8, STM32F102xB
Table
STM32F102xx
L
–1.5
–1.3
–1.1
Min
–2
= 6 pF, and C
1
f LSE
8.
Typ
80
8
ai14978b
Max
100
1
stray
2.5
2.2
1.8
2
2
(3)
= 2 pF,
MHz
Unit
µA
µs
%
%
%
%
%