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STM8L051F3P6 Datasheet, PDF (1/46 Pages) STMicroelectronics – Value line, 8-bit ultralow power MCU, 8-KB Flash
STM8L051F3
Value line, 8-bit ultralow power MCU, 8-KB Flash,
256-byte data EEPROM, RTC, timers, USART, I2C, SPI, ADC
Data brief  preliminary data
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,
Low power wait, Active-halt with RTC, Halt
– Ultralow leakage per I/0: 50 nA
– Fast wakeup from Halt: 5 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, ultrasafe BOR reset with 5
selectable 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
– Internal 38 kHz low consumption RC
– Clock security system
■ Low power RTC
– BCD calendar with alarm interrupt
– Digital calibration with +/- 0.5 ppm accuracy
– LSE security system
– Auto-wakeup from Halt w/ periodic interrupt
■ Memories
– 8 Kbytes of Flash program memory and
256 bytes of data EEPROM with ECC
– Flexible write and read protection modes
– 1 Kbyte of RAM
TSSOP20
■ DMA
– 4 channels supporting ADC, SPI, I2C,
USART, timers
– 1 channel for memory-to-memory
■ 12-bit ADC up to 1 Msps/28 channels
– Internal reference voltage
■ Timers
– Two 16-bit timers with 2 channels (used as
IC, OC, PWM), quadrature encoder
– 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
■ Up to 18 I/Os, all mappable on interrupt vectors
■ Development support
– Fast on-chip programming and non-
intrusive debugging with SWIM
– Bootloader using USART
Table 1. Device summary
Reference
Part number
STM8L051xx
STM8L051F3
April 2012
Doc ID 022985 Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice. For further information contact your local STMicroelectronics sales office.
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