The W78KCSX-3 is a Quad-Core Microcontroller manufactured by Schneider Electric. It is a powerful, low-power, 32-bit Cortex-M3 microcontroller with an extensive range of connectivity and peripheral options. It includes 64 to 256 KB of Flash memory, up to 320 KB of RAM, and runs at up to 100 MHz. The W78KCSX-3 also offers advanced peripheral interfaces including a 10/100 Ethernet MAC, USB 2.0 Full Speed Device/Host/OTG, multi-channel DMA controllers, and on-chip FRAM memories. It is suitable for applications such as industrial automation, home automation, medical instruments, or Internet of Things.