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STM32F103C8 Datasheet(PDF) 54 Page - STMicroelectronics

Part # STM32F103C8
Description  Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces
PDF  67 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F103C8 Datasheet(HTML) 54 Page - STMicroelectronics

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Electrical characteristics
STM32F103xx
54/67
Figure 22.
USB timings: definition of data signal rise and fall time
5.3.16
CAN (controller area network) interface
Refer to I/O port characteristics for more details on the input/output alternate function char-
acteristics (CANTX and CANRX).
5.3.17
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 39 are derived from tests
performed under ambient temperature, fPCLK2 frequency and VDDA supply voltage
conditions summarized in Table 7.
Note:
It is recommended to perform a calibration after each power-up.
Table 38.
USB: Full speed electrical characteristics
Symbol
Parameter
Conditions
Min
Max
Unit
Driver characteristics
tr
Rise time(1)
1.
Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB
Specification - Chapter 7 (version 2.0).
CL = 50 pF
420
ns
tf
Fall Time(1)
CL = 50 pF
4
20
ns
trfm
Rise/ fall time matching
tr/tf
90
110
%
VCRS
Output signal crossover voltage
1.3
2.0
V
ai14137
tf
Differen tial
Data L ines
VSS
VCRS
tr
Crossover
points
Table 39.
ADC characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
ADC power supply
2.4V
3.6V
V
VREF+
Positive reference voltage
2.0
VDDA
V
fADC
ADC clock frequency
0.6
14
MHz
fS
Sampling rate
TBD
0.05
1
MHz
fTRIG
External trigger frequency
fADC = 14 MHz
823
kHz
17
1/fADC
VAIN
Conversion voltage range(2)
VSSA
VDDA
V



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