参数资料
型号: STM32L151CBT6DTR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 32 MHz, RISC MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-48
文件页数: 64/106页
文件大小: 1417K
代理商: STM32L151CBT6DTR
Electrical characteristics
STM32L151xx, STM32L152xx
Doc ID 17659 Rev 1
6.3.5
External clock source characteristics
High-speed external user clock generated from an external source
The characteristics given in Table 22 result from tests performed using an high-speed
external clock source, and under ambient temperature and supply voltage conditions
summarized in Table 9.
3.
Data based on a differential IDD measurement between DAC in reset configuration and continuous DAC
conversion of VDD/2. DAC output is left floating.
4.
Including supply current of internal reference voltage.
Table 22.
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
32
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)
OSC_IN high or low time(1)
TBD
ns
tr(HSE)
tf(HSE)
OSC_IN rise or fall time(1)
TBD
Cin(HSE)
OSC_IN input capacitance(1)
2.6
pF
DuCy(HSE) Duty cycle
45
55
%
IL
OSC_IN Input leakage current
VSS ≤VIN ≤VDD
TBD
A
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