The RX660 is the first RX product to support the CAN FD function, for which demand has been increasing recently. CAN FD has a higher communication speed than conventional CAN. The maximum communication speed is 8Mbps. The data width that can be transmitted is extended to 64kB. When a customer uses CAN FD, the higher communication speed and increased data width reduces the load on the customer's CAN communication traffic. This allows for a reduction in the number of CAN communication lines. Also, in the case of security communication, big amounts of encrypted data can be sent at once, making security more robust. Renesas believes that customer demands will increase further in the future.