STM8L151C4T3 datasheet(11/101 Pages) STMICROELECTRONICS

11 / 101 page

STM8L151xx, STM8L152xx

Description

Doc ID 15962 Rev 2

11/101

2.2

Ultralow power continuum

The Ultralow power STM8L151xx and STM8L152xx are fully pin-to-pin, software and feature

compatible. Besides the full compatibility within the family, the devices are part of

STMicroelectronics microcontrollers UtraLowPower strategy which also includes

STM8L101xx and STM32L15xxx. The STM8L and STM32L families allow a continuum of

performance, peripherals, system architecture, and features.

They are all based on STMicroelectronics 0.13 µm ultralow leakage process.

Note:

The STM8L151xx and STM8L152xx are pin-to-pin compatible with STM8L101xx devices.

The STM32L family is pin-to-pin compatible with the general purpose STM32F family.

Please refer to STM32L15x documentation for more information on these devices.

Performance

All families incorporate highly energy-efficient cores with both Harvard architecture and

pipelined execution: advanced STM8 core for STM8L families and ARM Cortex™-M3 core

for STM32L family. In addition specific care for the design architecture has been taken to

optimize the mA/DMIPS and mA/MHz ratios.

This allows the Ultralow power performance to range from 5 up to 33.3 DMIPs.

Shared peripherals

STM8L151xx/152xx and STM32L15xx share identical peripherals which ensure a very easy

migration from one family to another:

●

Analog peripherals: ADC1, DAC, and comparators COMP1/COMP2

●

Digital peripherals: RTC and some communication interfaces

Common system strategy

To offer flexibility and optimize performance, the STM8L151xx/152xx and STM32L15xx

devices use a common architecture:

●

Same power supply range from 1.8 to 3.6 V, down to 1.65 V at power down

●

Architecture optimized to reach ultralow consumption both in low power modes and

Run mode

●

Fast startup strategy from low power modes

●

Flexible system clock

●

Ultrasafe reset: same reset strategy for both STM8L15xxx and STM32L15xxx including

power-on reset, power-down reset, brownout reset and programmable voltage detector.

Features

ST UtraLowPower continuum also lies in feature compatibility:

●

More than 10 packages with pin count from 20 to 100 pins and size down to 3 x 3 mm

●

Memory density ranging from 4 to 128 Kbytes

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