Cortex® -M0 Versus Cortex-M0+
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Feb 29, 2016
01:13 AM
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Feb 29, 2016
01:13 AM
What are the differences between Cortex-M0 and Cortex-M0+?
The Cortex-M0+ processor builds on the Cortex-M0 processor, retaining the full instruction set and tool compatibility, while reducing energy consumption and increasing performance.
The following table lists the differences in the features of the two processors.
Features | M0 | M0+ | Advantages of M0+ over M0 |
Pipeline | Three-stage | Two-stage | Improved response time,improved efficiency |
Performance Efficiency | 2.33 CoreMark/MHz | 2.46 CoreMark/MHz | Lower power and higher performance |
Memory Protection | Not available | Has optional Memory protection Unit | Makes system more secure by: Separating processes – Preventing tasks from corrupting stack or data memory used by other tasks Preventing unprivileged tasks from accessing peripherals that can be critical to the system security |
Relocatable vector-table | Does not support | Supports | Allows relocating the interrupt vector table anywhere in the memory - enables different applications to use their own vector table. |
Unprivileged/privileged mode execution | Does not support | Supports | Allows a task, such as the system calling in an operating system, to execute with more privileges than the user task or an application. |
The PSoC 4-S Series family of devices has a Cortex-M0+ CPU, whereas the previous PSoC 4 families have a Cortex-M0 CPU. Dual-CPU PSoC 6 MCU parts have an integrated Cortex-M0+ CPU that can offload the main Cortex-M4F CPU from application tasks such as communication and security.
- Tags:
- 32-bit arma cortexa-m0 psoca 4
- arm core
- arm processor
- cortex
- cortex-m0
- cortex-m0+
- debugging
- m0
- m0+
- pipeline architecture
- psoc 345 processor module
- psoc 4
- psoc 4-s series
- psoc 6 mcu
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