Renesas RL78/L23
32MHz ultra-low power LCD microcontroller with capacitive touch function
The RL78/L23 MCU Group offers a new generation of low-power microcontrollers featuring dual-bank flash for FOTA (Firmware Update Over the Air), a built-in segment LCD, and capacitive touch functionality. These integrated features simplify system design, reduce BOM costs, and minimize footprint, while the industry-leading low-power performance makes them ideal for metering and other battery-powered applications requiring long battery life.
Key features
- RL78-S3 CPU core up to 32MHz
- Flash: max. 512KB (Dual Bank Memory) / SRAM: max. 32KB
- Variety of packages (up to 100pin)
- LCD Controller
- Capacitive touch
- Induction heating control timer (Timer KB) : max. 3ch
- Sub-Clock operation timer (RTC, 32-bit Interval Timer, 16-bit Interval Timer, Timer RJ)
- Snooze Mode Sequencer (SMS); Achieves low power consumption
- Logic & Event link controller (ELCL); Upgradeable extended functions
Applications
- LCD Controller
- Home appliance
- Induction heating control
- Induction heating cooker
- Induction heating rice cooker
- Induction heating printer
- Flow meter (Gas meter / Water meter)
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