STM8L052R8

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

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Product overview

Description

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.

  • All features

    • Operating conditions
      • 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
    • Advanced STM8 core
      • 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)
    • 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
    • Low power RTC
      • 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
    • DMA
      • 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
    • 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
    • Communication interfaces
      • 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

Circuit Diagram

EDA Symbols, Footprints and 3D Models

STMicroelectronics - STM8L052R8

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM8L052R8T6
Active
LQFP 64 10x10x1.4 mm Industrial Ecopack2
STM8L052R8T6TR
Active
LQFP 64 10x10x1.4 mm Industrial Ecopack2

STM8L052R8T6

Package:

LQFP 64 10x10x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 64 10x10x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8L052R8T6TR

Package:

LQFP 64 10x10x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 64 10x10x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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