As IoT adoption grows and battery-powered devices become smaller and more energy-efficient, embedded systems increasingly require low power consumption, high reliability, and cost efficiency. The RL78 Family of 8- and 16-bit MCUs deliver industry-leading low power consumption at just 37.5 μA/MHz during normal operation and 0.355 μA during clock operation.
Additional built-in features, including a high-precision (±1%) high-speed on-chip oscillator, background operation data flash with 1 million rewrite cycles, a temperature sensor, and interface ports for multiple power supplies, help minimize system costs and reduce size.
Discover how Renesas technology powers innovation in the most demanding applications across the globe—and what it can do for you.
Advanced low-power modes, including SNOOZE, HALT, and STOP, enable extended battery life and reduced energy consumption for applications.
With over 1,000 MCUs, the RL78 Family offers unmatched scalability, with 8- to 144-pin packages and 1KB to 768KB Flash, providing flexibility for diverse application needs.
RL78 Family MCUs feature a 16-bit CPU core with a three-stage pipeline and Harvard architecture for efficient instruction execution, single-cycle multiplication, and DMA support.
Built-in functions, including a reset circuit, watchdog timer, high-precision oscillator, and temperature sensor, help reduce system costs while maintaining high functionality and reliability.
RL78 MCUs deliver efficient, precise, and reliable motor control for applications ranging from appliances to industrial systems. Renesas motor control solutions combine RL78 ultra-low power performance with advanced control algorithms and dedicated peripherals for smooth operation, high efficiency, and reduced system cost.
RL78 MCUs with capacitive touch technology deliver responsive, reliable, and intuitive human–machine interfaces for a wide range of applications. Renesas solutions combine RL78’s ultra-low power performance with advanced touch sensing for buttons, sliders, and proximity detection, enabling sleek and durable designs without mechanical switches.
The importance of functional safety has grown with the demand for industrial automation. Functional safety protects people, machinery, and the environment from failure or error in manufacturing. System design and certification under functional safety standards, such as IEC 61508, require significant time and effort, increasing costs and the risk of delays. Renesas offers a one-stop functional safety solution with general-purpose 32-bit microcontrollers (MCUs) featuring software to accelerate your time-to-market.
RL78 MCUs with LoRa® connectivity deliver long-range, low-power wireless communication for a wide range of IoT applications. Renesas LoRa solutions combine RL78’s ultra-low power performance with proven LoRaWAN® technology to enable reliable data transmission over extended distances.
RL78 MCUs provide a comprehensive DALI-2 solution that supports control devices (primary applications, such as routers) and control gears (secondary applications, such as lighting fixtures). By using this solution, you can save significant development time and resources, reducing stack and application development efforts by six months to a year.
Renesas offers a wide range of products to satisfy the power and performance demands of IoT cloud connectivity. RL78 Family MCUs deliver unmatched low-power consumption—ideal for IoT device development.
We support every stage of application development. Flexible debugging and programming environments cater to diverse needs, while partner vendors provide a wide range of tools and services for unique requirements.
Renesas partners with GitHub to provide a seamless and reliable development platform, ensuring scalability and security for developers and enterprises.
