-M3, Cortex-M4, and Cortex-M7 the thread context requires 64 bytes on the local stack.</li>
<li>For Cortex-M4 FPU and Cortex-M7 FPU the thread context requires 200 bytes on the local stack. For devices with Cortex-M4 FPU and Cortex-M7 FPU the default stack space should be increased to a minimum of 300 bytes.</li>
</ul>
</dd></dl>
<p>Each thread is provided with an separate stack that holds the thread context and stack space for automatic variables and return addresses for function call nesting. The stack si