RL78/L12 The True Low Power LCD Microcontroller Platform

Product catalog summary

Introduction to RL78 Microcontroller Platform
RL78 from Renesas Electronics is a family of 16-bit microcontrollers designed for ultra-low power applications. It combines low power consumption with high performance, making it ideal for battery-powered designs. The platform features an innovative Snooze mode that allows serial communication and ADC operation in standby mode.

Key Features of RL78

Best-in-class performance for equivalent MCU families.
Scalability in physical size and smart pin layout.
System cost-saving features and wide voltage and temperature operation.
On-board security features and extensive ecosystem support.

Specifications

20 to 128 pins, 2 KB to 512 KB Flash, 100% compatibility.
Peripheral I/O re-direction capability and Flash memory with ECC.
Safety support includes IEC 60730, high temperature support from -200 to 1050.
Operation voltage range from 1.6V to 5.5V, with DMA/DTC/ELC support.
Unique Snooze mode and low power consumption of 63 uA/MHz.

RL78/L12 with Integrated LCD Drive

Drives 35 segment x 8 or 39 segment x 4 configurations.
Low power LCD drive at 0.6 uA @ 3 V using capacitor split method.
Flexible control methods and selectable functions for segment pins.

Applications

Home Automation: Long battery life and operation down to 1.6 V.
Metering: Rich in analog features, ideal for smart metering.
Medical: Low power consumption and rich features for portable healthcare devices.

Technical Specifications

16-bit CISC CPU core, 31 DMIPS at 24 MHz.
LCD support with various methods and contrast adjustment.
Flash memory with reprogramming and ECC support.
Power management with low operating and halt currents.
Safety features including IEC/UL 60730 support.

Development Tools and Ecosystem
Renesas offers a comprehensive suite of hardware and software tools for rapid evaluation and development of embedded systems using RL78. This includes advanced development tools, third-party support, and online resources.

Catalog excerpts

RL78/L12 The True Low Power LCD Microcontroller Platform-1

The True Low Power LCD Microcontroller Renesas Electronics

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RL78/L12 The True Low Power LCD Microcontroller Platform-2

RL78 The True Low Power Microcontroller Platform RL78 from Renesas Electronics is an advanced family of 16-bit general purpose and application specific microcontrollers (MCU‘s) combining true low power and high performance operation. The RL78 is designed specifically for ultra low power applications. RL78‘s innovative Snooze mode allows serial communication and ADC operation in standby, which makes it best in class for battery powered designs. Why RL78? > Wide temperature operation > World’s best in class performance for an equivalent MCU family > On board security features > Scalability of physical...

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RL78/L12 The True Low Power LCD Microcontroller Platform-3

RL78/L12 > RL78 CPU Core – 16-bit CISC, 31 DMIPS at 24 MHz > LCD – 35 seg x 8 com / 39 seg x 4 com – Supports capacitor split method, internal voltage – boost method and resistance division method – Supports waveform types A and B – Supports LCD contrast adjustment (18 steps – Supports LCD blinking Data Flash – 1.8 V Reprogramming, Boot swap support – Error Code Correction (ECC) – +/- 1% Internal Oscillator – 1.6 to 5.5 V operation, External clock (20 MHz max.) Parity Check Interrupt Controller > Power Management – Operating: 63uA/MHz (minimum) – Stop (RAM retained): 0.23 µA, (LVD enabled): 0.31...

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RL78/L12 The True Low Power LCD Microcontroller Platform-4

Extensive Renesas Development Ecosystem Renesas Electronics and selected partners offer a comprehensive suite of hardware and software tools for the rapid evaluation and development of embedded systems built with RL78. Explore —& Evaluate Promotion Board Renesas Factory Full Cand C++ support, MISRAC compliance checker IAR & GNU build phase plug-in support. El/I ECU BE debug phase plug-in support Code Generator "Applilef Royalty-free Windows based oode generator uC/OS-ll arid pC/OS-lll Think it. Build it. Post it. Paper from responsible sources Renesas Electronics Europe © 2012 Renesas Electronics...

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