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STM32F103CBT7TR bảng dữ liệu(PDF) 50 Page - STMicroelectronics

tên linh kiện STM32F103CBT7TR
Giải thích chi tiết về linh kiện  Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces
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STM32F103CBT7TR bảng dữ liệu(HTML) 50 Page - STMicroelectronics

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Electrical characteristics
STM32F103x8, STM32F103xB
50/116
DS5319 Rev 18
5.3.6
External clock source characteristics
High-speed external user clock generated from an external source
The characteristics given in Table 20 result from tests performed using a high-speed
external clock source, and under ambient temperature and supply voltage conditions
summarized in Table 9.
APB2 (up to 72 MHz)
APB2-Bridge
3.75
GPIOA
6.67
GPIOB
6.53
GPIOC
6.53
GPIOD
6.53
GPIOE
6.39
SPI1
4.72
USART1
11.94
TIM1
23.33
ADC1(2)
17.50
ADC2(2)
16.07
1. The BusMatrix is automatically active when at least one master peripheral is ON (CPU or DMA).
2. Specific conditions for measuring ADC current consumption: fHCLK = 56 MHz, fAPB1 = fHCLK / 2, 
fAPB2 = fHCLK, fADCCLK = fAPB2 / 4, When ADON bit in the ADCx_CR2 register is set to 1, a current
consumption of analog part equal to 0.65 mA must be added for each ADC.
Table 19. Peripheral current consumption (continued)
Peripherals
µA/MHz
Table 20. High-speed external user clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSE_ext User external clock source frequency(1)
-
18
25
MHz
VHSEH
OSC_IN input pin high level voltage
0.7VDD
-VDD
V
VHSEL
OSC_IN input pin low level voltage
VSS
-0.3VDD
tw(HSE)
tw(HSE)
OSC_IN high or low time(1)
1. Specified by design, not tested in production.
5-
-
ns
tr(HSE)
tf(HSE)
OSC_IN rise or fall time(1)
--
20
Cin(HSE) OSC_IN input capacitance(1)
--
5
-
pF
DuCy(HSE) Duty cycle
-
45
-
55
%
IL
OSC_IN Input leakage current
VSS VIN VDD
--
±1
µA



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