STM32F101X8 datasheet(8/64 Pages) STMICROELECTRONICS

8 / 64 page

Description

STM32F101xx

8/64

2.2

Overview

ARM® CortexTM-M3 core with embedded Flash and SRAM

The ARM Cortex™-M3 processor is the latest generation of ARM processors for embedded

systems. It has been developed to provide a low-cost platform that meets the needs of MCU

implementation, with a reduced pin count and low-power consumption, while delivering

outstanding computational performance and an advanced system response to interrupts.

The ARM Cortex™-M3 32-bit RISC processor features exceptional code-efficiency,

delivering the high-performance expected from an ARM core in the memory size usually

associated with 8- and 16-bit devices.

The STM32F101xx access line family having an embedded ARM core, is therefore

compatible with all ARM tools and software.

Embedded Flash memory

Up to 128 Kbytes of embedded Flash is available for storing programs and data.

Embedded SRAM

Up to 16 Kbytes of embedded SRAM accessed (read/write) at CPU clock speed with 0 wait

states.

Nested vectored interrupt controller (NVIC)

The STM32F101xx access line embeds a nested vectored interrupt controller able to handle

up to 43 maskable interrupt channels (not including the 16 interrupt lines of Cortex™-M3)

and 16 priority levels.

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Closely coupled NVIC gives low latency interrupt processing

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Interrupt entry vector table address passed directly to the core

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Closely coupled NVIC core interface

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Allows early processing of interrupts

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Processing of late arriving higher priority interrupts

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Support for tail-chaining

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Processor state automatically saved

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Interrupt entry restored on interrupt exit with no instruction overhead

This hardware block provides flexible interrupt management features with minimal interrupt

latency.

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