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STM32L053R8 датащи(PDF) 2 Page - STMicroelectronics

номер детали STM32L053R8
подробное описание детали  Reset and supply management
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32L053R8 датащи(HTML) 2 Page - STMicroelectronics

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Contents
STM32L053x6 STM32L053x8
2/132
DocID025844 Rev 7
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.2
Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2
Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3
ARM® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4
Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.4.1
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.4.2
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.4.3
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.5
Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.6
Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 25
3.7
General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.8
Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.9
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.10
Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.11
Liquid crystal display (LCD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.12
Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.13
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.13.1
Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.13.2
VLCD voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.14
Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.15
Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 29
3.16
System configuration controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.17
Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.18
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.18.1
General-purpose timers (TIM2, TIM21 and TIM22) . . . . . . . . . . . . . . . . 31
3.18.2
Low-power Timer (LPTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32


Аналогичный номер детали - STM32L053R8

производительномер деталидатащиподробное описание детали
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