STM8L052R8T6 STM8 8-bit MCUs by STMicroelectronics

Ultra-low-power 8-bit MCU with 64 Kbytes Flash, 16 MHz CPU, integrated EEPROM

Status: Active
Series: STM8L052R8
RoHS: Compliant
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The high density value line STM8L05xxx devices are members of the STM8L ultra low power 8-bit family. The value line STM8L05xxx ultra low power family features the enhanced STM8 CPU core providing increased processing power (up to 16 MIPS at 16 MHz) while maintaining the advantages of a CISC architecture with improved code density, a 24-bit linear addressing space and an optimized architecture for low power operations. The family includes an integrated debug module with a hardware interface (SWIM) which allows non-intrusive In-application debugging and ultra-fast Flash programming. High density value line STM8L05xxx microcontrollers feature embedded data EEPROM and low-power, low-voltage, single-supply program Flash memory. All devices offer 12-bit ADC, real-time clock, four 16-bit timers, one 8-bit timer as well as standard communication interface such as two SPIs, I2C, three USARTs and 8x24 or 4x28-segment LCD. The 8x24 or 4x 28-segment LCD is available on the high density value line STM8L05xxx. The STM8L05xxx family operates from 1.8 V to 3.6 V and is available in the -40 to +85 °C temperature range. The modular design of the peripheral set allows the same peripherals to be found in different ST microcontroller families including 32-bit families. This makes any transition to a different family very easy, and simplified even more by the use of a common set of development tools. All value line STM8L ultra low power products are based on the same architecture with the same memory mapping and a coherent pinout.

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Prices starting from US$1.33

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Chip One Stop
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Features

Operating conditions Operating power supply: 1.8 V to 3.6 V Temperature range: -40 °C to 85 °C
Operating power supply: 1.8 V to 3.6 V
Temperature range: -40 °C to 85 °C
Low power features 5 low power modes: Wait, Low power run (5.9 μA), Low power wait (3 μA), Active-halt with full RTC (1.4 μA), Halt (400 nA) Dynamic power consumption: 200 μA/MHz + 330 μA Ultra-low leakage per I/0: 50 nA Fast wakeup from Halt: 4.7 μs
5 low power modes: Wait, Low power run (5.9 μA), Low power wait (3 μA), Active-halt with full RTC (1.4 μA), Halt (400 nA)
Dynamic power consumption: 200 μA/MHz + 330 μA
Ultra-low leakage per I/0: 50 nA
Fast wakeup from Halt: 4.7 μs
Advanced STM8 core Harvard architecture and 3-stage pipeline Max freq. 16 MHz, 16 CISC MIPS peak Up to 40 external interrupt sources
Harvard architecture and 3-stage pipeline
Max freq. 16 MHz, 16 CISC MIPS peak
Up to 40 external interrupt sources
Reset and supply management Low power, ultra-safe BOR reset with 5 programmable thresholds Ultra low power POR/PDR Programmable voltage detector (PVD)
Low power, ultra-safe BOR reset with 5 programmable thresholds
Ultra low power POR/PDR
Programmable voltage detector (PVD)
Clock management 32 kHz and 1 to 16 MHz crystal oscillators Internal 16 MHz factory-trimmed RC 38 kHz low consumption RC Clock security system
32 kHz and 1 to 16 MHz crystal oscillators
Internal 16 MHz factory-trimmed RC
38 kHz low consumption RC
Clock security system
Low power RTC BCD calendar with alarm interrupt Digital calibration with +/- 0.5ppm accuracy Advanced anti-tamper detection
BCD calendar with alarm interrupt
Digital calibration with +/- 0.5ppm accuracy
Advanced anti-tamper detection
LCD: 8x24 or 4x28 w/ step-up converter
Memories 64 KB Flash program memory and 256 bytes data EEPROM with ECC, RWW Flexible write and read protection modes 4 KB of RAM
64 KB Flash program memory and 256 bytes data EEPROM with ECC, RWW
Flexible write and read protection modes
4 KB of RAM
DMA 4 channels supporting ADC, SPIs, I2C, USARTs, timers 1 channel for memory-to-memory
4 channels supporting ADC, SPIs, I2C, USARTs, timers
1 channel for memory-to-memory
12-bit ADC up to 1 Msps/27 channels Internal reference voltage
Internal reference voltage
Timers Three 16-bit timers with 2 channels (used as IC, OC, PWM), quadrature encoder One 16-bit advanced control timer with 3 channels, supporting motor control One 8-bit timer with 7-bit prescaler 2 watchdogs: 1 Window, 1 Independent Beeper timer with 1, 2 or 4 kHz frequencies
Three 16-bit timers with 2 channels (used as IC, OC, PWM), quadrature encoder
One 16-bit advanced control timer with 3 channels, supporting motor control
One 8-bit timer with 7-bit prescaler
2 watchdogs: 1 Window, 1 Independent
Beeper timer with 1, 2 or 4 kHz frequencies
Communication interfaces Two synchronous serial interfaces (SPI) Fast I2C 400 kHz SMBus and PMBus Three USARTs (ISO 7816 interface + IrDA)
Two synchronous serial interfaces (SPI)
Fast I2C 400 kHz SMBus and PMBus
Three USARTs (ISO 7816 interface + IrDA)
Up to 54 I/Os, all mappable on interrupt vectors
Development support Fast on-chip programming and non- intrusive debugging with SWIM Bootloader using USART
Fast on-chip programming and non- intrusive debugging with SWIM
Bootloader using USART

Resources


Application Notes
AN3137 Analog-to-digital converter on STM8L and STM8AL devices: description and precision improvement techniques
AN2860 EMC guidelines for STM8 microcontrollers
AN1181 Electrostatic discharge sensitivity measurement
AN3029 Getting started with STM8L and STM8AL
AN3139 Migration and compatibility guidelines for STM8L microcontroller applications
AN3147 Power management in STM8L and STM8AL
AN3281 STM8 8-bit MCUs I²C optimized examples
AN3101 STM8L05xxx/15xxx, STM8L162xx and STM8AL31xx/3Lxx internal RC oscillator calibration
AN2639 Soldering recommendations and package information for Lead-free ECOPACK MCUs and MPUs
AN3117 Using the STM8L05xxx/15xxx, STM8L162xx, STM8AL31xx/3Lxx DMA controller
AN3133 Using the STM8L05xxx/STM8L101xx/STM8L15xxx/STM8L162xx/STM8AL31xx/STM8AL3Lxx real-time clock






Application Notes for related Tools & Software
AN5183 Adjustable LED blinking speed using STM8 Nucleo-64 boards and STM8 Nucleo-32 boards
AN3143 Audio software codec for the STM8S
AN2737 Basic in-application programming example using the STM8 I²C and SPI peripherals
AN5181 Building a thermometer using the STM8 Nucleo-64 boards
AN3252 Building a wave generator using STM8L-DISCOVERY
AN5176 Displaying variable voltage on a bar of LEDs using STM8 Nucleo-64 boards
AN5180 Generating PWM signals using STM8 Nucleo-64 boards
AN3181 Guidelines for obtaining UL/CSA/IEC 60730-1/60335-1 Class B certification in any STM8 application
AN5182 Image viewer based on the Adafruit® TFT shield with STM8 Nucleo-64 boards
AN3269 Introduction to STM8L15x power saving modes using the STM8L-DISCOVERY IDD measurement feature
AN2719 Precision improvement techniques for the A/D converter of the STM8 microcontroller
AN5179 RS232 communications with a terminal using the STM8 Nucleo-64 boards
AN2927 Resistor-Capacitor (RC) acquisition principle for STM8 touch sensing applications
AN2659 STM8 in-application programming (IAP) using a customized user-bootloader
AN3397 Temperature sensor example using the STM8L-DISCOVERY board
AN5178 Using the GPIOs and interrupt controller to drive LEDs on STM8 Nucleo-64 boards




Alternative Descriptions

STM8L Series 64 KB Flash 4 KB RAM 16 MHz 8-Bit Microcontroller - LQFP-64 | Future Electronics
Mcu, 8Bit, Stm8, 16Mhz, Lqfp-64 | Newark Electronics
MCU, 8BIT, STM8, 16MHZ, LQFP-64 | element14
8-bit MCU | Micros
MCU 8-bit STM8L STM8 CISC 64KB Flash 2.5V/3.3V 64-Pin LQFP Tray | Avnet America


Frequently Asked Questions

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What category does STM8L052R8T6 fall under?

The STM8L052R8T6 is listed under Microcontrollers & Microprocessors > STM8 8-bit MCUs > STM8L Series > STM8L Value Line.

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You can view similar parts to STM8L052R8T6 when available in the STM8L Value Line range under the specifications section at the bottom of the details page.

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Is the STM8L052R8T6 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

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