The CANmodule-III is a sophisticated full CAN controller designed to handle communication on the CAN bus with outstanding efficiency. Built upon Bosch's fundamental CAN architecture, this module is fully CAN 2.0B compliant, facilitating seamless communication transactions across the network. It is optimized for system-on-chip integrations, providing customizable options to cater to specific application requirements. The module stands out with its inherited functions which ensure uninterrupted main core operations, even when additional functionalities are layered around it. Having been deployed in various applications from aerospace to industrial control, the CANmodule-III's proven reliability makes it a preferred choice for developers seeking robust communication solutions in FPGA and ASIC technologies.