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STM32F103X8 датащи(PDF) 57 Page - STMicroelectronics

номер детали STM32F103X8
подробное описание детали  Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces
PDF  84 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F103X8 датащи(HTML) 57 Page - STMicroelectronics

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STM32F103xx
Electrical characteristics
57/84
Figure 23.
Recommended NRST pin
protection
2.
The reset network protects the device against parasitic resets.
3.
The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in
Table 36. Otherwise the reset will not be taken into account by the device.
5.3.14
TIM timer characteristics
The parameters given in Table 37 are guaranteed by fabrication.
Refer to Section 5.3.12: I/O port characteristics for details on the input/output alternate
function characteristics (output compare, input capture, external clock, PWM output).
ai14132b
STM32F10xxx
RPU
NRST(2)
VDD
FILTER
Internal Reset
0.1 µF
External
reset circuit(1)
Table 37.
TIMx(1) characteristics
1.
TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers.
Symbol
Parameter
Conditions
Min
Max
Unit
tres(TIM)
Timer resolution time
1
tTIMxCLK
fTIMxCLK = 72 MHz
13.9
ns
fEXT
Timer external clock
frequency on CH1 to CH4
0
fTIMxCLK/2
MHz
fTIMxCLK = 72 MHz
036
MHz
ResTIM
Timer resolution
16
bit
tCOUNTER
16-bit counter clock period
when internal clock is
selected
1
65536
tTIMxCLK
fTIMxCLK = 72 MHz 0.0139
910
µs
tMAX_COUNT Maximum possible count
65536 × 65536
tTIMxCLK
fTIMxCLK = 72 MHz
59.6
s



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