AMAP42KP

The AMAP42KP-KBR (Ambiq Apollo4 Plus) is the Cortex-M4F SoC on the Ambiq Apollo4 Plus EVB (AMAP4PEVB). See the board page for the pin map, support matrix and validation evidence:

→ Apollo4 Plus EVB

This part-level page exists so the model-rating table links to the promoted board package. The earlier auto-generated ambiq-apollo4 onboarding report exercised a staged descriptor with a generic UART fixture on a placeholder memory map; that is not the promoted UART+LED L1 package.