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Renesas R5F100LDAFA#V0
- Part No.:
- R5F100LDAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LDAFA#V0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,355
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Product details
Overview
R5F100LDAFA#V0 from Renesas is a 64-pin LQFP-0.65mm, 512 KB flash, 32 KB RAM, RL78/G13 16-bit microcontroller operating from 1.6 V to 5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power modes (0.57 μA RTC+LVD), used in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F100LDAFA#V0 datasheet, R5F100LDAFA#V0 pinout, R5F100LDAFA#V0 application, or R5F100LDAFA#V0 equivalent, key selection criteria include its 64-pin LQFP package, integrated RTC + LVD in STOP mode, 10-bit 26-channel ADC, dual UART/LIN support, and data flash rewrite endurance of 1,000,000 cycles.
Technical Context
The R5F100LDAFA#V0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, calendar-based real-time clock with alarm and correction, and watchdog timer powered by dedicated low-speed oscillator.
Its peripheral set includes up to 16 channels of 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and DMA controller with 4 channels enabling 2-clock transfers between SFR and RAM - all optimized for deterministic real-time control in resource-constrained environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS), with selectable high-speed on-chip oscillator ±1.0% accuracy |
| Memory Configuration | 512 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles), 32 KB RAM |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit ADC with 26 input channels, internal 1.45 V reference and temperature sensor |
| Digital Peripherals | 16 × 16-bit timers, 3 × I²C, 4 × UART/LIN, 8 × CSI, 4-channel DMA, BCD correction circuit |
| Operating Temperature | −40°C to +85°C (Industrial D-grade), 1.6 V to 5.5 V supply range |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Port 1 bidirectional I/O | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; supports key interrupt and different-potential interface (1.8/2.5/3 V) |
| P20–P27 | Port 2 analog/digital I/O | Includes AVREFP/AVREFM, ANI0–ANI2, and analog input channels up to ANI26 depending on pin count |
| P30–P37 | Port 3 serial interface pins | Supports CSI0–CSI7, UART0–UART3, I²C0–I²C9, and LIN transceiver functions |
| P40–P47 | Port 4 timer/clock pins | Provides TO0–TO15, TI0–TI15, RTCOUT, CLKOUT, and buzzer output capability |
| VDD, VSS | Power supply terminals | Single 1.6–5.5 V supply; multiple VSS pins ensure noise immunity and stable ground reference |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active enables multi-year battery life in metering applications |
| Background data flash programming | BGO allows full CPU operation during 8 KB data flash rewrite, eliminating runtime interruption |
| Hardware LIN bus support | Integrated LIN transceiver logic and automatic sync-break detection simplify automotive body electronics integration |
| On-chip debug & self-programming | Full on-chip debug interface and boot-swap function enable field firmware updates without external programmer |
| Multi-voltage I/O interface | Direct connection to 1.8 V, 2.5 V, or 3 V peripherals without level shifters reduces BOM cost and board area |
| Temperature sensor + reference | Integrated calibrated temperature sensor and 1.45 V reference enable standalone thermal monitoring without external components |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, RTC-based billing intervals, and secure data logging to data flash. Use Value: 0.57 μA STOP mode extends 10-year battery life; 1M-cycle data flash ensures reliable lifetime event logging. |
Use Scenario: Wireless environmental sensor node measuring temperature, humidity, and pressure in factory settings. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog inputs, executing calibration algorithms, and scheduling LoRaWAN transmissions via UART/LIN. Use Value: Integrated 10-bit 26-channel ADC and temperature sensor eliminate external signal conditioning; LIN support enables daisy-chain sensor networks. |
| Home Appliance Control | Automotive Body Electronics |
Use Scenario: MCU in washing machine control board managing motor drive, water level sensing, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time coordinator for PWM motor control, touch-key scanning, buzzer feedback, and fault-safe shutdown sequences. Use Value: 16 × 16-bit timers provide precise motor phase timing; on-chip BCD correction simplifies display driver logic for 7-segment UI. |
Use Scenario: Door module controller handling window lift, mirror adjustment, and interior lighting with LIN communication to body ECU. IC Role / Device Role / Timing Role: LIN slave node executing position feedback, PWM dimming, and diagnostic reporting over single-wire LIN bus. Use Value: Hardware LIN protocol engine reduces CPU load; N-ch open-drain I/O supports direct connection to 12 V automotive loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LDGFA#V0 | Same 512 KB flash/32 KB RAM, but G-grade (−40°C to +105°C) and LQFP-0.65mm package | Targeted for under-hood automotive or high-temp industrial enclosures where extended temperature range is mandatory | Select when ambient exceeds +85°C; identical pinout and firmware compatibility |
| R5F101LDAFA#V0 | Same package and pinout, but no data flash (0 KB); reduced peripheral set (e.g., fewer UART/I²C channels) | Suitable for cost-sensitive, non-data-logging applications like simple motor control or LED drivers | Choose when data flash persistence is unnecessary and BOM cost reduction is prioritized |
Compared with R5F100LDAFA#V0, R5F100LDGFA#V0 adds extended temperature operation without sacrificing memory or peripherals, while R5F101LDAFA#V0 removes data flash and some serial interfaces to lower unit cost - enabling trade-offs between reliability, feature depth, and bill-of-materials budget.
Availability
R5F100LDAFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy metering, and home appliance control requiring stable component supply across long production lifecycles.
Supply support for R5F100LDAFA#V0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding high integration and long-term supply stability.
FAQ
What is the maximum clock frequency and performance of the R5F100LDAFA#V0?
The R5F100LDAFA#V0 operates at up to 32 MHz with a peak performance of 41 DMIPS. Its high-speed on-chip oscillator achieves ±1.0% accuracy across 1.8–5.5 V and −20°C to +85°C, eliminating need for external crystal in many timing-critical applications. The RL78 core's 3-stage pipeline ensures deterministic execution for real-time control tasks.
Does the R5F100LDAFA#V0 support in-system programming and secure firmware updates?
Yes, the R5F100LDAFA#V0 supports full in-system programming via its on-chip debug interface and includes boot-swap functionality for safe firmware updates. Its flash shield window and block-erase prohibition features prevent unauthorized rewriting of protected code sections, meeting basic functional safety requirements for industrial firmware integrity.
What analog capabilities does the R5F100LDAFA#V0 offer for sensor interfacing?
The R5F100LDAFA#V0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels, internal 1.45 V reference voltage, and a factory-calibrated temperature sensor. These features allow direct connection of resistive sensors, thermistors, and voltage-output transducers without external reference or signal conditioning components.
How does the R5F100LDAFA#V0 manage ultra-low-power operation in battery-powered designs?
The R5F100LDAFA#V0 achieves 0.57 μA in STOP mode with RTC and LVD active, and 66 μA/MHz in active mode. Its SNOOZE mode enables selective peripheral wake-up (e.g., UART RX, ADC trigger) without full CPU restart, minimizing average current in intermittent-sensing applications such as wireless sensor nodes.
Is the R5F100LDAFA#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 64-pin LQFP-0.65mm package - including R5F100LDAFA#V0, R5F100LDGFA#V0, and R5F101LDAFA#V0 - share identical pinouts and mechanical footprint. Firmware portability is maintained across variants, though peripheral enablement and memory mapping differ per part number and must be verified in software initialization.
R5F100LDAFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 3K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100LDAFA#V0 FAQ
1.How can I place an order for R5F100LDAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LDAFA#V0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F100LDAFA#V0 reliable?
The price and inventory of R5F100LDAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LDAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100LDAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LDAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LDAFA#V0?
R5F100LDAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LDAFA#V0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F100LDAFA#V0?
For technical support, including R5F100LDAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LDAFA#V0 requirements.
6.How does Aetrix verify that R5F100LDAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LDAFA#V0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F100LDAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LDAFA#V0?
All R5F100LDAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LDAFA#V0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F100LDAFA#V0 part is unused and in its original packaging.
Return procedure for R5F100LDAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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