參數(shù)資料
型號: STM32F103CBT6
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, LQFP-48
文件頁數(shù): 36/79頁
文件大?。?/td> 1124K
代理商: STM32F103CBT6
STM32F103xx
Electrical characteristics
Low-speed external user clock
The characteristics given in Table 20 result from tests performed using an low-speed
external clock source, and under ambient temperature and supply voltage conditions
summarized in Table 7.
Figure 16.
High-speed external clock source AC timing diagram
Table 20.
Low-speed external user clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSE_ext
User External clock source
frequency(1)
1.
Value based on design simulation and/or technology characteristics. It is not tested in production.
32.768
1000
kHz
VLSEH
OSC32_IN input pin high level
voltage
0.7VDD
VDD
V
VLSEL
OSC32_IN input pin low level
voltage
VSS
0.3VDD
tw(LSE)
OSC32_IN high or low time(1)
450
ns
tr(LSE)
tf(LSE)
OSC32_IN rise or fall time(1)
5
IL
OSC32_IN Input leakage
current
VSS ≤VIN ≤VDD
±1
A
ai14143
OSC _IN
EXTER NAL
STM32F103xx
CLOCK SOURC E
VHSEH
tf(HSE)
tW(HSE)
IL
90%
10%
THSE
t
tr(HSE)
tW(HSE)
fHSE_ext
VHSEL
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