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STM32F103ZEY7XXX Datasheet(PDF) 54 Page - STMicroelectronics

Part # STM32F103ZEY7XXX
Description  High-density performance line ARM-based 32-bit MCU with 256 to 512KB Flash, USB, CAN, 11 timers, 3 ADCs, 13 communication interfaces
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F103ZEY7XXX Datasheet(HTML) 54 Page - STMicroelectronics

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Electrical characteristics
STM32F103xC, STM32F103xD, STM32F103xE
54/123
Doc ID 14611 Rev 7
5.3.6
External clock source characteristics
High-speed external user clock generated from an external source
The characteristics given in Table 21 result from tests performed using an high-speed
external clock source, and under ambient temperature and supply voltage conditions
summarized in Table 10.
APB2
GPIOA
0.55
mA
GPIOB
0.72
GPIOC
0.72
GPIOD
0.55
GPIOE
1
GPIOF
0.72
GPIOG
1
ADC1(2)
1.9
ADC2
1.7
TIM1
1.8
SPI1
0.4
TIM8
1.7
USART1
0.9
ADC3
1.7
1.
fHCLK = 72 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, default prescaler value for each peripheral.
2.
Specific conditions for ADC: fHCLK = 56 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, fADCCLK = fAPB2/4, ADON bit
in the ADC_CR2 register is set to 1.
Table 20.
Peripheral current consumption(1) (continued)
Peripheral
Typical consumption at 25 °C
Unit
Table 21.
High-speed external user clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSE_ext
User external clock source
frequency(1)
1.
Guaranteed by design, not tested in production.
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)
16
ns
tr(HSE)
tf(HSE)
OSC_IN rise or fall time(1)
20
Cin(HSE)
OSC_IN input capacitance(1)
5pF
DuCy(HSE) Duty cycle
45
55
%
IL
OSC_IN Input leakage current
VSS  VIN  VDD
±1
µA


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