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HomeProductsIntegrated Circuits (ICs)Specialized ICsR5F10RLAAFB#30
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R5F10RLAAFB#30 - Renesas

Manufacturer Part Number
R5F10RLAAFB#30
Manufacturer
Renesas Electronics Corporation
Allelco Part Number
41D-R5F10RLAAFB#30
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,780 pcs available, New & Original
Parts Description
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Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 5780
  • Unit Price: $0.748
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.748 $0.75
200+ $0.29 $58.00
500+ $0.28 $140.00
1000+ $0.275 $275.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

R5F10RLAAFB#30 Tech Specifications
Renesas - R5F10RLAAFB#30 technical specifications, attributes, parameters and parts with similar specifications to Renesas - R5F10RLAAFB#30

Product Attribute Attribute Value
Part Number R5F10RLAAFB#30
Package -
Description -
Stock Condition Get 5780 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Renesas Electronics Corporation
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

Manufacturer Part Number

R5F10RLAAFB#30

Manufacturer

Renesas Electronics America

Introduction

The R5F10RLAAFB#30 is a high-performance 16-bit RL78 microcontroller from Renesas Electronics. It features a powerful 24MHz core, extensive peripherals, and a range of connectivity options, making it suitable for a variety of embedded applications.

Product Features and Performance

16-bit RL78 core running at 24MHz

16KB of flash program memory and 1KB of RAM

2KB of EEPROM memory

10-channel 10-bit ADC

CSI, I2C, LIN bus, and UART/USART interfaces

DMA, LCD, LVD, POR, PWM, and watchdog timer peripherals

47 general-purpose I/O pins

Operating voltage range of 1.6V to 5.5V

Operating temperature range of -40°C to 85°C

Product Advantages

Powerful 16-bit RL78 core for efficient performance

Comprehensive peripheral set for diverse application requirements

Wide range of connectivity options for easy integration

Low power consumption for battery-powered designs

Broad operating voltage and temperature range

Key Reasons to Choose This Product

Proven reliability and performance of the RL78 architecture

Extensive peripherals and connectivity options for flexible design

Low power consumption and wide operating range for versatile applications

Ease of use and seamless integration with Renesas development tools

Long-term availability and support from a leading semiconductor manufacturer

Quality and Safety Features

Robust design for reliable operation

Integrated safety features like LVD and POR

Compliance with industry standards and regulations

Compatibility

The R5F10RLAAFB#30 is compatible with other RL78 microcontroller models, allowing for easy migration and scalability of designs.

Application Areas

Industrial automation and control

Home appliances and consumer electronics

Medical devices and monitoring equipment

Automotive electronics and transportation systems

IoT and smart home applications

Product Lifecycle

The R5F10RLAAFB#30 is an active product in the Renesas RL78 microcontroller family. Alternative and equivalent models may be available, and customers are advised to contact our website's sales team for the latest product information and availability.

Frequently Asked Questions(FAQ)

What are the key differences between the R5F10RLAAFB#30 and other RL78/L12 series microcontrollers when considering power-sensitive embedded applications?
The R5F10RLAAFB#30 operates across a voltage range of 1.6V to 5.5V, making it suitable for low-power designs where voltage scaling impacts energy efficiency. Its 1K x 8 RAM and 16KB flash memory provide a balance between code density and runtime data handling, which influences interrupt latency and context-switching performance in battery-powered systems. Compared to higher-memory variants in the same family, this model trades expandability for reduced active current consumption—important when evaluating trade-offs between feature richness and power budget in wearable or IoT edge devices.
How does the oscillator configuration of the R5F10RLAAFB#30 affect system reliability in noisy industrial environments?
The R5F10RLAAFB#30 relies on an internal oscillator type without external crystal support, which simplifies PCB layout but reduces timing precision compared to crystal-based designs. In electrically noisy environments such as motor control or power conversion systems, the absence of an external frequency source increases susceptibility to clock jitter and potential metastability during rapid transitions. This design choice favors space-constrained applications over high-timing-critical ones, requiring software compensation or additional filtering if used near switching regulators or high-speed peripherals.
When selecting between the R5F10RLAAFB#30 and a competing microcontroller with similar pin count, what should be considered regarding peripheral integration and signal integrity?
The R5F10RLAAFB#30 offers 47 I/Os with support for DMA, LCD, PWM, and analog-to-digital converters (10x10-bit), enabling compact implementations of user interfaces and sensor conditioning. However, the limited number of dedicated analog channels (10 ADCs) constrains multi-sensor topologies compared to microcontrollers with more ADC instances or simultaneous sampling capabilities. Engineers must evaluate whether the shared resource architecture introduces bottlenecks under concurrent use of UART, I2C, and ADC operations, particularly when sampling rates exceed 1 MSPS or multiple channels are active simultaneously.
What is the impact of the 16KB flash memory size on firmware update strategies using the R5F10RLAAFB#30?
With 16KB of flash (16K x 8), the R5F10RLAAFB#30 supports typical bootloader-based firmware updates but imposes constraints on delta-update efficiency and rollback mechanisms due to limited storage for multiple image versions. If over-the-air (OTA) updates are required, engineers must reserve at least 2–3 KB for backup images and metadata, reducing available space for application logic. This necessitates careful partitioning and compression techniques, especially in safety-critical applications where dual-bank programming is preferred but not supported by hardware on this variant.
Can the R5F10RLAAFB#30 reliably drive capacitive touch sensors in consumer electronics applications, and what design considerations apply?
Yes, the R5F10RLAAFB#30 can interface with capacitive touch sensors via its GPIO pins and PWM modules, but it lacks dedicated touch-sensing hardware found in some ARM Cortex-M0+ alternatives. Implementing capacitive sensing typically requires precise timing control and noise mitigation through software algorithms. Given the 24MHz core speed, basic mutual-capacitance scanning is feasible, but complex gesture recognition or multi-touch may strain the CPU unless offloaded to lower-priority tasks. Layout parasitics and ground plane integrity become critical due to the absence of shielding or differential input stages.
How does the operating temperature range of -40°C to 85°C influence the selection of decoupling capacitors for the R5F10RLAAFB#30 in automotive-grade designs?
Although the R5F10RLAAFB#30 itself meets commercial temperature limits, automotive applications often demand wider margins. The device’s 1.6V minimum supply voltage implies tighter tolerance requirements for stable operation under cold start conditions. Low-ESR ceramic capacitors (X5R or X7R) should be chosen with derated capacitance values above 25V rating to ensure reliable charge retention during extended brownout periods. Additionally, ESD protection diodes near each VDD pin are recommended due to potential static buildup in harsh environments.
What role does the watchdog timer (WDT) play in ensuring system robustness when using the R5F10RLAAFB#30 in mission-critical embedded systems?
The built-in WDT provides hardware-level recovery from software hangs or infinite loops, which is essential for unattended operation. Since the RL78 core does not include advanced fault detection like lockstep execution, the WDT acts as a first line of defense against stack overflows or unhandled exceptions. Proper configuration includes setting an appropriate timeout window that allows normal execution while preventing catastrophic failures. It should be paired with periodic “heartbeat” checks to verify task scheduling integrity, especially in systems running overextended ISRs.
In comparison to ARM Cortex-M0 microcontrollers, how does the instruction set efficiency of the RL78 core affect code density when implementing cryptographic routines on the R5F10RLAAFB#30?
The RL78 architecture uses a variable-length instruction set optimized for compact code size, achieving better code density than many M0 cores for arithmetic-heavy operations. However, cryptographic functions like AES or SHA require lookup tables or bit manipulation that may not map efficiently to RL78’s register-limited environment. On the R5F10RLAAFB#30, implementing such algorithms consumes significantly more flash and CPU cycles compared to dedicated crypto accelerators, making it less suitable for security-sensitive applications unless paired with external co-processors.
What are the implications of the 64-LFQFP (10x10) package for thermal dissipation and PCB routing complexity when integrating the R5F10RLAAFB#30 into high-density designs?
The small form factor of the 64-pin LFQFP package enables compact layouts but presents challenges in thermal management due to limited exposed copper area and high pin density. While the device itself has moderate power dissipation (~20 mW typical), localized hot spots can occur near linear regulators or high-frequency switching nodes adjacent to the MCU. Thermal vias under the package improve heat spreading, but designers must avoid placing high-current traces too close to analog inputs to prevent coupling. Routing becomes complex with 47 active I/Os, demanding careful layer stack-up and impedance control for high-speed signals like UART and I2C.
How does the lack of hardware floating-point support in the RL78 core affect numerical computation performance when using the R5F10RLAAFB#30 in motor control algorithms?
The R5F10RLAAFB#30 executes fixed-point arithmetic natively, requiring software-based implementation of floating-point operations. In motor control applications involving PID loops or trigonometric calculations, this results in increased CPU load and longer execution times—potentially affecting control loop stability. Engineers must either scale values to integer representations or accept degraded performance. Compared to microcontrollers with FPU units, this approach increases flash usage and latency, making real-time response less predictable under heavy computational loads.
What precautions should be taken when interfacing legacy LINbus networks with the R5F10RLAAFB#30 to ensure protocol compliance and signal integrity?
The integrated LINbus transceiver simplifies connection to automotive-grade networks, but the R5F10RLAAFB#30’s internal driver strength must match network termination requirements. Impedance mismatches or excessive bus capacitance (>1 μF) can cause waveform distortion and arbitration errors. Designers should verify slew rates and recessive voltage levels against LIN specification Rev 2.1/2.2, and consider adding external pull-up resistors within specified ranges (e.g., 1 kΩ ±5% to 10 kΩ). Isolation or level-shifting may be needed if bridging different supply domains, given the device’s 1.6–5.5V flexibility.
Why might the R5F10RLAAFB#30 be preferred over higher-pin-count MCUs despite its 47 I/O limitation in modular sensor node designs?
For low-channel-count sensor aggregation—such as environmental monitoring with three temperature and two humidity sensors—the R5F10RLAAFB#30 avoids pin multiplexing overhead and simplifies firmware development. Its 10-channel ADC allows efficient time-division multiplexed reading without external muxes, reducing BOM cost and board space. Compared to alternatives with more pins but fewer peripherals, this model optimizes cost-per-function in constrained deployments where scalability is not anticipated. However, future expansion would require hardware redesign due to fixed I/O allocation.
How does the Moisture Sensitivity Level (MSL) 3 classification affect storage and handling procedures for bulk shipments of R5F10RLAAFB#30 components?
MSL 3 indicates that the R5F10RLAAFB#30 can withstand up to 168 hours of exposure to ambient humidity before risk of popcorning during reflow soldering. Components must be stored in dry cabinets or desiccated packaging post-delivery, with humidity indicators monitored. If shelf life exceeds 168 hours, baking at 125°C for 24 hours is recommended prior to assembly. This requirement applies regardless of RoHS status and must be documented in manufacturing workflows to maintain warranty compliance and yield integrity.
What considerations apply to EEPROM endurance when storing calibration data on the R5F10RLAAFB#30 over long product lifecycles?
The device contains 2K x 8 EEPROM with an estimated endurance of 100,000 write cycles per location. For periodic calibration updates every hour over a five-year lifespan, writes would total ~43,800 cycles—within acceptable limits if managed properly. To extend longevity, data should be written in larger blocks rather than byte-by-byte, and wear leveling implemented if multiple parameters are updated frequently. Redundant storage with versioning also helps recover from corruption, though flash emulation adds complexity due to slower erase times compared to modern EEPROM technologies.
In what scenarios would the internal LVD (Low-Voltage Detection) feature of the R5F10RLAAFB#30 eliminate the need for external supervisory ICs?
The LVD circuitry monitors Vcc and triggers reset or interrupt if voltage drops below programmable thresholds (typically 2.0V, 2.2V, ..., 4.5V). This is useful in battery-operated devices experiencing gradual discharge, allowing graceful shutdown before irreversible damage occurs. Compared to discrete voltage supervisors, the R5F10RLAAFB#30 reduces component count and board area, but lacks precision (±5%) and cannot detect brownout events below 1.6V. Thus, it suits applications where absolute accuracy is secondary to simplicity, such as consumer gadgets with regulated supplies.
What trade-offs arise when choosing the R5F10RLAAFB#30 for wireless-enabled applications compared to MCUs with integrated RF transceivers?
Using the R5F10RLAAFB#30 with external wireless modules (e.g., BLE or LoRaWAN chips) increases BOM cost and power consumption due to separate radios and antenna matching circuits. However, it offers flexibility in protocol selection and avoids RF interference from switching regulators. The UART/USART interface enables simple communication, but adds latency versus integrated solutions. Designers must weigh development time against performance; for low-data-rate telemetry (<10 kbps), the extra complexity may not justify the minimal gain in functionality.
How does the absence of hardware CRC acceleration impact data integrity verification when transmitting sensor readings from the R5F10RLAAFB#30 over UART links?
Without dedicated CRC hardware, polynomial division for packet validation must be implemented in software, consuming CPU cycles proportional to data length. For 64-byte packets, this takes ~200 cycles at 24 MHz—negligible for infrequent transmissions—but problematic in high-throughput streams. Engineers may opt for lightweight checksums instead, trading robustness for speed. This limitation makes the R5F10RLAAFB#30 less ideal for industrial protocols like Modbus RTU or CANopen, which mandate strict error detection.
What factors determine whether the R5F10RLAAFB#30 can support real-time operating systems (RTOS) effectively in multi-threaded embedded projects?
The 1K x 8 RAM restricts RTOS kernel heap and task stacks, limiting concurrent thread count and stack depth. A typical FreeRTOS setup might support only 4–6 tasks with moderate priority levels before exhausting memory. Context switching overhead is higher than on larger MCUs due to smaller register file, but sufficient for cooperative scheduling. Developers must minimize dynamic allocations and use static pools. Given these constraints, the R5F10RLAAFB#30 is viable only for modestly threaded applications or those using superloop architectures with cooperative multitasking.

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Renesas

R5F10RLAAFB#30

Renesas
41D-R5F10RLAAFB#30

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