32-bit MCU. STM32L010R8 Datasheet

STM32L010R8 MCU. Datasheet pdf. Equivalent

STM32L010R8 Datasheet
Recommendation STM32L010R8 Datasheet
Part STM32L010R8
Description ultra-low-power 32-bit MCU
Feature STM32L010R8; STM32L010K8 STM32L010R8 Value line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, 64-Kbyte Flash.
Manufacture STMicroelectronics
Datasheet
Download STM32L010R8 Datasheet




STMicroelectronics STM32L010R8
STM32L010K8
STM32L010R8
Value line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+,
64-Kbyte Flash memory, 8-Kbyte SRAM, 256-byte EEPROM, ADC
Datasheet - production data
Features
Ultra-low-power platform
– 1.8 V to 3.6 V power supply
40 to 85 °C temperature range
– 0.27 µA Standby mode (2 wakeup pins)
– 0.4 µA Stop mode (16 wakeup lines)
– 0.8 µA Stop mode + RTC + 8-Kbyte RAM
retention
– Down to 88 µA/MHz in Run mode
– 5 µs wakeup time (from Flash memory)
– 41 µA 12-bit ADC conversion at 10 ksps
Core: Arm® 32-bit Cortex®-M0+
– From 32 kHz to 32 MHz
– 0.95 DMIPS/MHz
Reset and supply management
– Ultra-low-power BOR (brownout reset) with
5 selectable thresholds
– Ultra-low-power POR/PDR
Clock sources
– 0 to 32 MHz external clock
– 32 kHz oscillator for RTC with calibration
– High-speed internal 16 MHz factory-trimmed RC
(±1%)
– Internal low-power 37 kHz RC
– Internal multispeed low-power 65 kHz to
4.2 MHz RC
– PLL for CPU clock
Pre-programmed bootloader
– USART, SPI supported
Development support
– Serial wire debug supported
Up to 51 fast I/Os (45 I/Os 5-Volt tolerant)
Memories
– 64-Kbyte Flash memory
– 8-Kbyte RAM
– 256 bytes of data EEPROM
– 20-byte backup register
– Sector protection against R/W operation
LQFP32
7 x 7 mm
LQFP64
10 x 10 mm
Analog peripherals
– 12-bit ADC 1.14 Msps up to 16 channels (down
to 1.8 V)
7-channel DMA controller, supporting ADC, SPI,
I2C, USART and timers
4x peripherals communication interface
1x USART (ISO7816), 1x LPUART (low power)
1x SPI 16 Mbit/s
1x I2C (SMBus/PMBus)
7x timers: 1x 16-bit with up to 4 channels,
1x 16-bit with up to 2 channels, 1x 16-bit ultra-low-
power timer, 1x SysTick, 1x RTC and 2x watchdogs
(independent/window)
CRC calculation unit, 96-bit unique ID
All packages are ECOPACK2 compliant.
August 2019
This is information on a product in full production.
DS12325 Rev 3
1/92
www.st.com



STMicroelectronics STM32L010R8
Contents
Contents
STM32L010K8 STM32L010R8
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3 Arm® Cortex®-M0+ core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.4 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.6 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 21
3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.8 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.9 Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.10 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.11 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.12 System configuration controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.13 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.13.1 General-purpose timers (TIM2, TIM21) . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.13.2 Low-power timer (LPTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.13.3 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.13.4 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.13.5 Window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.14 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.14.1 I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.14.2 Universal synchronous/asynchronous receiver transmitter (USART) . . 26
3.14.3 Low-power universal asynchronous receiver transmitter (LPUART) . . . 27
2/92 DS12325 Rev 3



STMicroelectronics STM32L010R8
STM32L010K8 STM32L010R8
Contents
3.15
3.16
3.14.4 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Cyclic redundancy check (CRC) calculation unit . . . . . . . . . . . . . . . . . . . 28
Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.3.2 Embedded reset and power control block characteristics . . . . . . . . . . . 41
6.3.3 Embedded internal reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.4 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.3.5 Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
6.3.6 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.3.7 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.3.8 PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.3.9 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
6.3.10 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6.3.11 Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.3.12 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.3.13 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.3.14 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.3.15 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.3.16 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
6.3.17 Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
DS12325 Rev 3
3/92
4







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