STM32F103R4 STMicroelectronics, STM32F103R4 Datasheet - Page 62

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STM32F103R4

Manufacturer Part Number
STM32F103R4
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 16 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103R4

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

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Electrical characteristics
5.3.15
62/87
Figure 28. 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 V
TIM timer characteristics
The parameters given in
Refer to
alternate function characteristics (output compare, input capture, external clock, PWM
output).
Table 39.
1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers.
t
MAX_COUNT
t
COUNTER
Symbol
Table 38
t
Res
res(TIM)
f
EXT
TIM
External
reset circuit
Section 5.3.12: I/O current injection characteristics
. Otherwise the reset will not be taken into account by the device.
TIMx
Timer resolution time
Timer external clock
frequency on CH1 to CH4
Timer resolution
16-bit counter clock period
when internal clock is
selected
Maximum possible count
(1)
(1)
0.1 µF
characteristics
Parameter
NRST
Table 39
(2)
Doc ID 15060 Rev 5
V DD
are guaranteed by design.
R PU
f
TIMxCLK
f
f
f
TIMxCLK
TIMxCLK
TIMxCLK
Conditions
= 72 MHz
= 72 MHz
= 72 MHz 0.0139
= 72 MHz
Filter
13.9
Min
for details on the input/output
1
0
0
1
STM32F103x4, STM32F103x6
IL(NRST)
STM32F10x
Internal reset
65536 × 65536
max level specified in
f
TIMxCLK
65536
Max
59.6
910
36
16
/2
ai14132d
t
t
t
TIMxCLK
TIMxCLK
TIMxCLK
MHz
MHz
Unit
ns
bit
µs
s

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