Vendor: Arm Ltd. Category: CPU

Arm Cortex-M0+

The Cortex-M0+ processor builds on the very successful Cortex-M0 processor, retaining full instruction set and tool compatibility…

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Overview

The Cortex-M0+ processor builds on the very successful Cortex-M0 processor, retaining full instruction set and tool compatibility, while further reducing energy consumption and increasing performance. Along with the Cortex-M0 processor, the exceptionally small silicon area, low power and minimal code footprint of these processors enable developers to achieve 32-bit performance at an 8-bit price point, bypassing the step to 16-bit devices. The Cortex-M0+ processor comes with a wide selection of options to provide flexible development.

Key features

  • Memory protection unit - Software reliability improves when each module is allowed access only to specific areas of memory required for it to operate. This protection prevents unexpected access that may overwrite critical data.
  • Binary upward compatible with all other Cortex-M processors - The Cortex-M0+ has mainly 16bit Thumb-2 instructions and few 32bit ones. These instructions are also present on all the other Cortex-M processors. Hence all code written for the Cortex-M0+ will run as is on the other processors.
  • Built-in low-power features - Sleep, deep sleep and state retention are three low power modes available to the user.
  • Optional Debug Access Port and Serial Wire Debug - For devices where every pin counts the serial wire debug port uses only two pins.
  • Optional Micro Trace Buffer - Trace all program flow via an in-memory trace buffer which can be read out via JTAG for later analysis.

Block Diagram

Arm Cortex-M0+ block diagram

Benefits

  • Extremely low power. The most energy efficient of all Arm processors. The Cortex-M0+ achieves a power consumption below 4µW/MHz (40LP process, base configuration), while reaching a performance of 2.46 CoreMark/MHz.
  • Versatile. The Cortex-M0+ includes optional functionalities that allow designers to reach an optimal fit-for-purpose solution for a broad range of applications. These include the single-cycle I/O interface for faster control, the Micro Trace Buffer (MTB) for enhanced debug, and others which are common to all Cortex-M processors, such as the Memory Protection Unit (MPU) and the relocatable vector table.
  • Fast time-to-market. The Cortex-M0+ processor is binary compatible to the Cortex-M0 and is upward binary compatible to all other Cortex-M processors making software re-use a real advantage. Developers also benefit from the Arm partnership’s extensive ecosystem of embedded tools, software, and knowledge base.

Applications

  • MEMS sensors
  • Power management
  • Digital motor control
  • Low power MCUs
  • Health wearable monitors
  • Environmental monitors

Specifications

Identity

Part Number
Arm Cortex-M0+
Vendor
Arm Ltd.
Type
Silicon IP

Compute

CPU Architecture
ARM

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

Arm Ltd.
HQ: Great Britain

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Frequently asked questions about CPU IP cores

What is Arm Cortex-M0+?

Arm Cortex-M0+ is a CPU IP core from Arm Ltd. listed on Semi IP Hub.

How should engineers evaluate this CPU?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this CPU IP.

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