Apollo4 Lite System-on-Chip Ambiq Apollo4 Lite System-on-Chip offers feature-rich capabilities and optimizes memory and peripherals, providing the Apollo4 family with a lightweight solution. The Apollo4 Lite is conveniently pin-compatible to its superset variant, Apollo4 Plus. It offers users the optimum flexibility to innovate with smooth, vibrant graphics in next-generation wearables and smart IoT devices. The Apollo4 Lite SoC is based on Ambiq’s proprietary Subthreshold Power-Optimized Technology (SPOT®) platform.