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STMicroelectronics  

8 Bit Microcontroller

8 Bit Microcontroller

8BIT Ultralow MCU 16KB Flash 2KB RAM.

 

Key Features​

Operating conditions

  • Operating power supply range 1.8 V to 3.6 V (down to 1.65 V at power down)
  • Temp. range: - 40 °C to 85, 105 or 125 °C

Low power features

  • 5 low power modes: Wait, Low power run (5.1 μA), Low power wait (3 μA), Active-halt with full RTC (1.3 μA), Halt (350 nA)
  • Consumption: 195 μA/MHz + 440 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 selectable thresholds
  • Ultra-low-power POR/PDR
  • Programmable voltage detector (PVD)

Clock management

  • 1 to 16 MHz crystal oscillator
  • 32 kHz crystal oscillator
  • Internal 16 MHz factory-trimmed RC
  • Internal 38 kHz low consumption RC
  • Clock security system

Low power RTC

  • BCD calendar with alarm interrupt
  • Auto-wakeup from Halt w/ periodic interrupt

LCD: up to 4x28 segments w/ step-up converter

Memories

  • Up to 32 KB of Flash program memory and 1 Kbyte of data EEPROM with ECC, RWW
  • Flexible write and read protection modes
  • Up to 2 Kbyte of RAM

DMA

  • 4 channels; supported peripherals: ADC, DAC, SPI, I2C, USART, timers
  • 1 channel for memory-to-memory

12-bit DAC with output buffer

12-bit ADC up to 1 Msps/25 channels

  • T. sensor and internal reference voltage

2 ultra-low-power comparators

  • 1 with fixed threshold and 1 rail to rail
  • Wakeup capability

Timers

  • Two 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

  • Synchronous serial interface (SPI)
  • Fast I2C 400 kHz SMBus and PMBus
  • USART (ISO 7816 interface and IrDA)

Up to 41 I/Os, all mappable on interrupt vectors

Up to 16 capacitive sensing channels supporting touchkey, proximity, linear touch and rotary touch sensors

Development support

  • Fast on-chip programming and non intrusive debugging with SWIM
  • Bootloader using USART

96-bit unique ID 

STMicroelectronics

8 Bit Microcontroller

8BIT Ultralow MCU 16KB Flash 2KB RAM

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