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STM32L151VD Datasheet(PDF) 108 Page - STMicroelectronics

Part # STM32L151VD
Description  Ultra-low-power 32-bit MCU ARM® Cortex®-M3, 384KB Flash, 48KB SRAM, 12KB EEPROM, LCD, USB, ADC, DAC, memory I/F
PDF  154 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L151VD Datasheet(HTML) 108 Page - STMicroelectronics

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Electrical characteristics
STM32L151xD STM32L152xD
108/154
DocID022027 Rev 11
Figure 27. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in
Table 53. Otherwise the reset will not be taken into account by the device.
6.3.16
TIM timer characteristics
The parameters given in the Table 54 are guaranteed by design.
Refer to Section 6.3.14: I/O port characteristics for details on the input/output ction
characteristics (output compare, input capture, external clock, PWM output).
Table 54. TIMx(1) characteristics
1. TIMx is used as a general term to refer to the TIM2, TIM3 and TIM4 timers.
Symbol
Parameter
Conditions
Min
Max
Unit
tres(TIM)
Timer resolution time
-1
-
tTIMxCLK
fTIMxCLK = 32 MHz 31.25
-
ns
fEXT
Timer external clock
frequency on CH1 to CH4
-0
fTIMxCLK/2
MHz
fTIMxCLK = 32 MHz
0
16
MHz
ResTIM
Timer resolution
-
16
bit
tCOUNTER
16-bit counter clock
period when internal clock
is selected (timer’s
prescaler disabled)
-
1
65536
tTIMxCLK
fTIMxCLK = 32 MHz 0.0312
2048
µs
tMAX_COUNT Maximum possible count
-
-
65536 × 65536
tTIMxCLK
fTIMxCLK = 32 MHz
-
134.2
s



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