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STM8L052R8T6 Datasheet, PDF (1/55 Pages) STMicroelectronics – Value Line, 8-bit ultralow power MCU, 64-KB Flash | |||
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STM8L052R8
Value Line, 8-bit ultralow power MCU, 64-KB Flash,
256-bytes data EEPROM, RTC, LCD, timers,USART, I2C, SPI, ADC
Data brief
Features
â Operating conditions
â Operating power supply: 1.8 V to 3.6 V
â Temperature range: -40 °C to 85 °C
â Low power features
â 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)
â Dynamic power consumption:
200 µA/MHz + 330 µA
â Ultra-low leakage per I/0: 50 nA
â Fast wakeup from Halt: 4.7 µs
â Advanced STM8 core
â Harvard architecture and 3-stage pipeline
â Max freq. 16 MHz, 16 CISC MIPS peak
â Up to 40 external interrupt sources
â Reset and supply management
â Low power, ultra-safe BOR reset with 5
programmable thresholds
â Ultra low power POR/PDR
â Programmable voltage detector (PVD)
â Clock management
â 32 kHz and 1 to 16 MHz crystal oscillators
â Internal 16 MHz factory-trimmed RC
â 38 kHz low consumption RC
â Clock security system
â Low power RTC
â BCD calendar with alarm interrupt
â Digital calibration with +/- 0.5ppm accuracy
â Advanced anti-tamper detection
â LCD: 8x24 or 4x28 w/ step-up converter
â Memories
â 64 KB Flash program memory and
256 bytes data EEPROM with ECC, RWW
â Flexible write and read protection modes
â 4 KB of RAM
LQFP64
â DMA
â 4 channels supporting ADC, SPIs, I2C,
USARTs, timers
â 1 channel for memory-to-memory
â 12-bit ADC up to 1 Msps/28 channels
â Internal reference voltage
â Timers
â Three 16-bit timers with 2 channels (used
as IC, OC, PWM), quadrature encoder
â One 16-bit advanced control timer with 3
channels, supporting motor control
â One 8-bit timer with 7-bit prescaler
â 2 watchdogs: 1 Window, 1 Independent
â Beeper timer with 1, 2 or 4 kHz frequencies
â Communication interfaces
â Two synchronous serial interfaces (SPI)
â Fast I2C 400 kHz SMBus and PMBus
â Three USARTs (ISO 7816 interface + IrDA)
â Up to 54 I/Os, all mappable on interrupt vectors
â Development support
â Fast on-chip programming and non-
intrusive debugging with SWIM
â Bootloader using USART
June 2012
Doc ID 023133 Rev 2
1/55
www.st.com
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