Low-power 16-bit MCUs with tiny 8-pin package option provide feature-rich alternative to 8-bit MCUs

Renesas

Versatile new RL78/G15 microcontrollers from Renesas are based on proven RL78 core running at 16 MHz

Renesas has extended the low-power RL78 family of general-purpose 16-bit microcontrollers with new parts in small package sizes suitable for use in applications that would previously have used an 8-bit MCU.

 

The versatile new RL78/G15 MCUs feature a wide range of peripheral functions, and are backed by up to 8 kbytes of code Flash memory. The MCUs’ RL78 16-bit CPU core operates at 16 MHz.

 

The smallest RL78/G15 device is supplied in an 8-pin package measuring only 3 mm x 3 mm. The new MCUs are available in packages with up to 20 pins. All pins can be used for general-purpose I/O, except the Vdd and Vss power-supply pins.

 

The new RL78/G15 products enable designers to keep system size small and to reduce the cost of end systems. In addition, the maximum operating temperature of 125°C facilitates thermal design, and allows the MCU to be used near heat-generating components such as inverter motors.

 

Like other RL78 devices, the new RL78/G15 MCUs are supported by the Renesas GUI-based Smart Configurator, which enables developers to easily generate driver code for peripheral functions.

Features

  • Memory resources:
    • Up to 8 kbytes of code Flash
    • 1 kbyte of data Flash
    • 1 kbyte of SRAM
  • Operating-voltage range: 2.4 V to 5.5 V
  • Serial interfaces:
    • CSI
    • UART
    • Simple I2C
    • Multi-master I2C
  • ±1.0% accurate oscillator
  • 10-bit, 11-channel ADC
  • Comparator
  • Operating-temperature range: -40°C to 125°C

Applications

  • Sensor control
  • Industrial equipment
  • Lighting
  • Inverters
  • Consumer devices
Renesas — RL78/G15 Microcontroller

Prototyping Board

Part Number: RTK5RLG150C00000BJ

The RL78/G15 Fast Prototyping Board comes with Arduino Uno and Pmod™ Type 6A interfaces with access to all pins. In addition, debugging and programming are possible using only a USB cable. An Arduino library that runs on the board gives developers access to development resources for the RL78 family, as well as to the Arduino ecosystem, helping them to quickly turn ideas into a working solution.

Engineers can perform advanced debugging using the E2 emulator Lite or the traditional E2 emulator.

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