STM32L151RBH6 查看數據表（PDF） - STMicroelectronics
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STM32L151RBH6
STMicroelectronics
STM32L151RBH6 Datasheet PDF : 133 Pages
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STM32L151x6/8/B STM32L152x6/8/B
Functional overview
implementation based on a surface charge transfer acquisition principle. It consists of
charging the sensor capacitance and then transferring a part of the accumulated charges
into a sampling capacitor until the voltage across this capacitor has reached a specific
threshold. The capacitive sensing acquisition only requires few external components to
operate.
Reliable touch sensing functionality can be quickly and easily implemented using the free
STM32L1xx STMTouch touch sensing firmware library.
3.15
Timers and watchdogs
The ultra-low-power STM32L151x6/8/B and STM32L152x6/8/B devices include six general-
purpose timers, two basic timers and two watchdog timers.
Table 6 compares the features of the general-purpose and basic timers.
Table 6. Timer feature comparison
Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA request Capture/compare Complementary
generation
channels
outputs
TIM2,
Up, Any integer
TIM3, 16-bit
down, between 1
Yes
4
No
TIM4
up/down and 65536
Any integer
TIM9 16-bit
Up
between 1
No
2
No
and 65536
TIM10,
TIM11
16-bit
Any integer
Up
between 1
and 65536
No
1
No
TIM6,
TIM7
16-bit
Any integer
Up
between 1
Yes
and 65536
0
No
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