embedded-processors-controllers

STM8L051F3

Full part number: STM8L051F3P6

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This STMicroelectronics datasheet covers the STM8L051F3P6, an 8-bit ultra-low-power MCU with 8-Kbyte Flash and 256-byte EEPROM. It details operational features including a supply voltage of 1.8 to 3.6 V, a maximum frequency of 16 MHz, and up to 40 external interrupt sources. The document highlights five distinct low-power modes, with active-halt current as low as 1.3 µA and halt mode at 350 nA. Key peripherals include a 12-bit ADC sampling up to 1 Msps, two 16-bit timers, and communication interfaces like SPI, I2C, and USART. The chip supports temperatures from -40 °C to 85 °C and offers fast wake-up times of 5 µs from Halt mode.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current 390 µA 470 µA 490 µA All peripherals OFF, code executed from RAM, VDDfrom 1.8 V to 3.6 V; HSI RC osc. (16 MHz)(3); fCPU = 125 kHz
output current — — 1 µA
supply voltage range -300 mV — 4 V
operating temperature -40 °C — 85 °C 1.8 V ≤ VDD< 3.6 V
clock frequency 0 Hz — 16 MHz 1.8 V ≤ VDD< 3.6 V
power dissipation — — 181 mW TSSOP20
input capacitance — 2.6 pF —
cpu speed — 16 MHz —
program memory size — 8.19 kB —
ram size — 1.02 kB —
io count — 18 —
adc resolution — 12 bit —
core size — 8 bit —
rise time — — 30 ns Capacitive load: C = 30 pF
fall time — — 300 ns
load capacitance — 20 pF —
03 — Alternatives

Closest matches to STM8L051F3

STM8S003F3 4.3× higher quiescent current, 1.7× higher supply voltage range, 1.3× higher power dissipation
STM8S903F3 4.3× higher quiescent current, 1.7× higher supply voltage range, 1.2× lower rise time
ATtiny1616 12.0× lower rise time, 3.2× lower clock frequency, 2.0× lower load capacitance
STM32L010F4P6 4.0× higher core size, 2.0× higher clock frequency, 2.0× higher cpu speed
STM8S105C4 5.5× higher quiescent current, 2.4× higher power dissipation, 2.0× higher program memory size
STM8S001J3M3 4.3× higher quiescent current, 3.7× lower power dissipation, 1.9× higher operating temperature
MSP430FR2310 20.0× lower load capacitance, 19.6× lower quiescent current, 4.0× lower program memory size
MSP430FR2433IRGER 20.0× lower load capacitance, 4.0× higher ram size, 3.4× lower supply voltage range
04 — FAQ

Frequently asked questions

What is the ADC resolution of the STM8L051F3P6?

The ADC resolution is 12 bit.

What is the maximum clock frequency for the STM8L051F3P6 when the supply voltage is between 1.8 V and 3.6 V?

The maximum clock frequency is 16 MHz when 1.8 V ≤ VDD < 3.6 V.

What is the core size of the STM8L051F3P6?

The core size is 8 bit.

What is the maximum CPU speed of the STM8L051F3P6?

The maximum CPU speed is 16 MHz.

What is the fall time specification for the STM8L051F3P6?

The fall time is 300 ns.

What is the input capacitance of the STM8L051F3P6?

The input capacitance is 2.6 pF.

How many I/O pins does the STM8L051F3P6 have?

The STM8L051F3P6 has 18 I/O pins.

What is the load capacitance?

The load capacitance is 20 pF.

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