RL78 Family of 8/16-bit Ultra-Low Energy MCUs
RL78 microcontrollers greatly improve power efficiency with industry-leading low power consumption at 45.5 μA/MHz consumption during normal operation and 0.57 μA/MHz during clock operation. Built-in features such as a high-precision (±1%) high-speed on-chip oscillator, background operation data flash capable of 1 million rewrites, temperature sensor, and interface ports for multiple power supplies help reduce system costs and size.
RL78 Family Brochure
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Family Lineup
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RL78/G1xThe RL78/G1x (general purpose group) is a true low power MCU series within the RL78 Family.
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RL78/L1xThe RL78/L1x microcontroller family is a peripheral rich family of true low power microcontrollers integrating LCD controller/driver, suitable for industrial and consumer LCD display applications. RL78/L1x offer unique display driver functionality to reduce system power consumption. |
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RL78/I1xThe RL78/I1x microcontrollers are part of the RL78 microcontroller family with rich analog integration and support high temperature operation. RL78/I1x is ideal for application specific solutions but also suitable for many general purpose application In the mass market with tough environment operation.
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RL78/F1xThe RL78/F1x microcontrollers are suitable for automotive applications. As the successors of both the 78K0R and R8C, they realize low power consumption and are equipped with built-in functions suitable for automotive applications such as CAN communications, advanced timer, and safety functions. |
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RL78/D1x (Automotive Only)Renesas is introducing the RL78/D1x as an optimized solution for the BRICs and low-end instrument cluster markets. The RL78/D1x is the successor of 78K0/Dx2 or UPD78082x microcontrollers and suited for car instrument cluster, built-in car instrument cluster dedicated features such as Sound Generator, Stepper Motor Controller/Driver and LCD Segment Controller/Driver etc.
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RL78/H1xThe RL78/H1x microcontroller family is a peripheral rich family of true low power microcontrollers integrating analoig functions, suitable for healthcare applications.
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Software Tools
Development Environment for the Renesas RL78 Family MCUs
Renesas Electronics supports all aspects of application development for the RL78 Family with products such as the integrated development environments e2 studio and CS+, real-time OSes, and programming tools.
RL78 Quick Solutions
The RL78 Quick Solutions page presents easy to build solutions that will assist in your product development.
RL78 WEB Simulator
Carry out prototype development and power consumption simulation for the RL78 Family easily without purchasing development tools.
Applilet EZ PL for RL78
The Applilet EZ PL for RL78 software that allows users with no programming language knowledge to easily create a MCU application program.
Road Map
Product Longevity Program(PLP)
Renesas Electronics is operating the Product Longevity Program (PLP) to help customers select the most appropriate part for applications that require long life cycles.