Oktober 20, 2025
276
In today's rapidly evolving IoT and automotive markets, the demand for energy-efficient microcontrollers with robust analog capabilities is surging. The R5F11MMFAFB#10 from Renesas Electronics meets these needs with its ultra-low power RL78/L1A core, 96KB Flash memory, and integrated LCD controller. Designed for applications ranging from healthcare biosensors to automotive control modules, this 16-bit MCU combines performance with power savings. Read on to discover how its advanced peripherals and smart features like DTC (Data Transfer Controller) can optimize your next embedded design.
The R5F11MMFAFB#10 is part of Renesas' RL78/L1A series, featuring:
16-bit RL78 core operating at 24MHz
96KB Flash and 5.5KB RAM for flexible programming
Wide voltage range: 1.8V–3.6V (TA: -40°C to 85°C)
59 I/O pins in an 80-LQFP package (12x12mm)
Analog suite: 10x12b ADC, 2x12b DAC, and rail-to-rail op-amps
| Parameter | Specification |
|---|---|
| Core Processor | RL78 (16-bit) |
| Operating Frequency | 24MHz |
| Program Memory | 96KB Flash + 8KB EEPROM |
| RAM | 5.5KB |
| Voltage Range | 1.8V–3.6V |
| I/O Count | 59 |
| Communication Interfaces | CSI, I2C, LINbus, SPI, UART/USART |
Choose the R5F11MMFAFB#10 when your design requires:
Ultra-low power consumption for battery-operated devices (e.g., glucose meters).
Integrated LCD control without external drivers.
High-precision analog (12-bit ADC/DAC) for sensor interfaces.
Automotive-grade reliability (LINbus support for body control modules).
| Model | Flash | I/O | Package | Best For |
|---|---|---|---|---|
| R5F11MMFAFB#10 | 96KB | 59 | 80-LQFP | LCD + Analog-heavy designs |
| R5F11NMLFB#30 | 128KB | 78 | 100-LQFP | Higher memory needs |
Used in blood glucose meters due to its low power (<1µA in STOP mode) and integrated analog front-end.
Ideal for body control modules (BCMs) leveraging LINbus and robust -40°C to 85°C operation.
Per MarketsandMarkets, the low-power MCU market is projected to grow at 9.2% CAGR through 2027, driven by IoT and wearable demand. The R5F11MMFAFB#10’s analog integration positions it well for these trends.
Q1: What’s the difference between RL78/L1A and RL78/G1A series?
A: The L1A adds LCD control and enhanced analog (op-amps, 12b DAC), while G1A focuses on general-purpose use.
Q2: Can this MCU run FreeRTOS?
A: Yes, its 96KB Flash and 5.5KB RAM support lightweight RTOS implementations.
Q3: Is the LCD controller segment or dot-matrix?
A: Segment-type (up to 4x40 segments), per Renesas datasheet R01DS0275EJ0100.
Q4: How does DTC reduce power consumption?
A: The Data Transfer Controller automates peripheral data moves without CPU wake-ups, cutting active power by up to 30%.
Q5: What development tools are available?
A: Renesas provides the CS+ IDE and E2 emulator for debugging.
The R5F11MMFAFB#10 balances performance and power efficiency for embedded designs requiring LCD interfaces and precision analog. With Renesas’ proven RL78 architecture and growing ecosystem, it’s a strategic choice for healthcare, automotive, and industrial applications.
Contact our sales team for pricing and samples: sales@censtry.com
