The RA4 series product concept is a System in Package (SIP) single chip mode MCU. The RA4W1 device is equipped with an abundance of peripheral features, the enhanced security features of the RA family, and supports Bluetooth^® 5.0 BLE low-energy full functionality. System control, security, and wireless communication are all implemented on a single chip. The Bluetooth 5.0 low-energy support includes features such as 2 Mbps communication, long range, and advertising extensions. This product runs on the Arm^® Cortex^®-CM4 core and has 48MHz operation, with DSP for both high performance and low power consumption. The RA4W1 offers state of the art security features, which include encrypted hardware via Secure Crypto Engine and a key management module.