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Renesas R5F100LFDFB#X0
- Part No.:
- R5F100LFDFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LFDFB#X0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,323
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Product details
Overview
R5F100LFDFB#X0 from Renesas is a 64-pin LFQFP-0.5mm-pitch, 96 KB flash, 8 KB data flash, 8 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 HALT/STOP/SNOOZE modes - deployed in industrial motor control interfaces requiring deterministic real-time response and battery-backed RTC operation.
For engineers reviewing the R5F100LFDFB#X0 datasheet, R5F100LFDFB#X0 pinout, R5F100LFDFB#X0 application, or R5F100LFDFB#X0 equivalent, key selection criteria include its 64-pin LFQFP package, integrated 12-bit RTC with calendar/alarm, 10-bit 26-channel ADC, dual UART/LIN support, and hardware multiplier for embedded control loop acceleration.
Technical Context
The R5F100LFDFB#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock), and features an on-chip 32 MHz ±1.0% oscillator with selectable frequencies down to 1 MHz.
It integrates DMA (4 channels), hardware multiply/divide/MAC, 16-bit timers (12 channels), simplified SPI (CSI), I²C (up to 10 channels), and a programmable low-voltage detector (LVD) with 14 interrupt/reset levels - all optimized for deterministic timing in resource-constrained industrial sensor nodes and actuator drivers.
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 - delivers 41 DMIPS for real-time control loop execution |
| Flash Memory | 96 KB code flash + 8 KB data flash - supports background operation (BGO) and 1M rewrite cycles |
| RAM | 8 KB on-chip RAM - includes dedicated flash library usage area starting at FEF00H |
| ADC | 10-bit resolution, 26 analog input channels, internal 1.45 V reference and temperature sensor |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - enables multi-year battery life |
| Operating Voltage | 1.6 V to 5.5 V - supports direct interface with 1.8 V, 2.5 V, and 3.3 V peripherals |
| Temperature Range | –40°C to +85°C (Industrial D-grade) - qualified for factory automation environments |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Shared SPI clock or I²C clock - enables dual-protocol peripheral interfacing on single pin |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input / UART RX / I²C Data | Multi-function pin supporting SPI slave-in, UART receive, debug tool RX, and I²C bidirectional data |
| P20/ANI0/AVREFP | Analog Input Channel 0 / ADC Reference Positive | Configurable as primary ADC input or positive reference voltage source for precision analog measurement |
| P21/ANI1/AVREFM | Analog Input Channel 1 / ADC Reference Negative | Enables differential ADC measurements or negative reference setting for ratiometric sensor conditioning |
| P50/INTP0/TOOLRST | External Interrupt 0 / Debug Reset | Hardware reset trigger for on-chip debugger and external event wake-up from STOP mode |
| P51/INTP1/TOOLTCK | External Interrupt 1 / Debug Clock | Supports synchronized debug communication and edge-triggered system wake-up |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - extends battery life in maintenance-free sensor nodes |
| Hardware multiplier/divider/MAC | 16×16→32-bit signed/unsigned multiply, 32÷32→32-bit unsigned divide - accelerates PID and filtering algorithms |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and clock correction - eliminates need for external RTC IC in time-stamped logging |
| Background data flash rewrite | BGO allows full program execution during data flash updates - enables safe firmware field updates without halting control tasks |
| Dual UART with LIN support | Two independent UART modules with automatic LIN break detection and sync byte handling - simplifies automotive body electronics integration |
| On-chip voltage detector (LVD) | 14-level programmable threshold with interrupt or reset output - provides robust brown-out protection for industrial power rails |
Applications
| Smart HVAC Actuator Control | Industrial Temperature Sensor Node |
|---|---|
|
Use Scenario: Closed-loop damper positioning using stepper motor drive and NTC thermistor feedback in commercial HVAC systems. IC Role / Device Role / Timing Role: Main controller executing PID algorithm, managing UART-based BACnet MS/TP communication, and maintaining RTC-synchronized log timestamps. Use Value: Integrated 10-bit 26-channel ADC directly digitizes multiple sensor inputs; 96 KB flash accommodates protocol stack + control logic; STOP-mode current <0.6 μA enables energy harvesting operation. |
Use Scenario: Wireless temperature monitoring node in factory floor machinery, powered by coin cell with 5-year lifetime requirement. IC Role / Device Role / Timing Role: System-on-chip managing thermistor ADC sampling, RTC-based wake-up scheduling, BLE interface via UART, and low-power sleep state management. Use Value: 0.57 μA STOP mode with RTC active meets multi-year battery target; on-chip LVD prevents data corruption during voltage sag; 8 KB RAM buffers sensor history before transmission. |
| Programmable Logic Relay (PLR) | Home Appliance Motor Driver Interface |
|
Use Scenario: DIN-rail mounted relay module with configurable I/O, timer functions, and Modbus RTU communication for building automation. IC Role / Device Role / Timing Role: Central MCU executing ladder logic interpreter, managing 16-bit timer-based pulse outputs, and handling RS-485 UART with hardware flow control. Use Value: 12-channel 16-bit timers enable precise PWM generation for SSR control; 4-channel DMA offloads UART/ADC transfers; 8 KB data flash stores user configuration persistently. |
Use Scenario: Brushless DC motor control interface in premium washing machines, requiring speed regulation, fault detection, and acoustic noise reduction. IC Role / Device Role / Timing Role: Dedicated motor control co-processor handling commutation timing, current sensing ADC, overcurrent shutdown, and CAN/LIN diagnostics. Use Value: Hardware multiplier accelerates FOC inner-loop calculations; 26-channel ADC samples phase currents and thermistors simultaneously; LIN interface reports status to main appliance MCU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LGDFB#X0 | Same 64-pin LFQFP package, 128 KB flash, 8 KB data flash, 12 KB RAM - higher memory capacity | Suitable for applications requiring larger firmware image (e.g., OTA update partitioning or extended protocol stacks) | Select when future firmware growth headroom or dual-bank flash operation is required |
| R5F101LFDFB#X0 | Same pinout and package, but no data flash (0 KB); identical code flash (96 KB) and RAM (8 KB) | Targeted at cost-sensitive applications where EEPROM emulation or external nonvolatile storage is acceptable | Choose when data logging or parameter storage is handled externally or not required |
Compared with R5F100LFDFB#X0, R5F100LGDFB#X0 offers scalable memory for complex firmware while retaining identical peripherals and power profile, whereas R5F101LFDFB#X0 reduces BOM cost by eliminating on-chip data flash - enabling trade-offs between feature depth and unit cost without PCB redesign.
Availability
R5F100LFDFB#X0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and programmable logic relays requiring stable component supply across multi-year production cycles.
Supply support for R5F100LFDFB#X0 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 IoT markets.
The RL78/G13 family is designed for ultra-low-power general-purpose embedded control - balancing performance, integration, and energy efficiency in cost-sensitive industrial and consumer equipment.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating of the R5F100LFDFB#X0?
The R5F100LFDFB#X0 operates up to 32 MHz and delivers 41 DMIPS at that frequency. This performance level is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator. The R5F100LFDFB#X0 maintains consistent timing behavior across its full 1.6 V to 5.5 V supply range, making it suitable for battery-powered and wide-input industrial power designs.
Does the R5F100LFDFB#X0 include on-chip debug capability and what interface does it use?
Yes, the R5F100LFDFB#X0 includes full on-chip debug functionality accessible via the single-wire debug interface using pins P50 (TOOLRST) and P51 (TOOLTCK). This enables non-intrusive breakpoint setting, register inspection, and flash programming without requiring additional debug headers - critical for space-constrained industrial PCB layouts where the R5F100LFDFB#X0 is commonly deployed.
How much data flash memory is integrated into the R5F100LFDFB#X0 and what is its endurance specification?
The R5F100LFDFB#X0 integrates 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical) with operation supported across the full 1.8 V to 5.5 V supply range. This data flash supports background operation (BGO), allowing the R5F100LFDFB#X0 to execute application code from main flash while rewriting data flash - essential for reliable parameter storage in field-deployed R5F100LFDFB#X0 systems.
What are the key low-power modes supported by the R5F100LFDFB#X0 and their typical current consumption?
The R5F100LFDFB#X0 supports HALT mode (66 μA/MHz), STOP mode (0.57 μA with RTC and LVD active), and SNOOZE mode (selective peripheral wake-up). These modes are hardware-controlled and retain RAM content and register states. The 0.57 μA STOP current enables multi-year operation on coin cells - a defining characteristic of the R5F100LFDFB#X0 in battery-backed industrial sensor applications.
Is the R5F100LFDFB#X0 pin-compatible with other RL78/G13 devices in the same package variant?
Yes, the R5F100LFDFB#X0 is pin-compatible with all other 64-pin LFQFP RL78/G13 variants sharing the FB suffix (e.g., R5F100LGDFB#X0, R5F101LFDFB#X0), including identical pin functions and electrical characteristics. This allows direct substitution within the same footprint for memory scaling or feature optimization - a key design flexibility leveraged in R5F100LFDFB#X0-based platforms undergoing iterative firmware or feature upgrades.
R5F100LFDFB#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- 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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 8K 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:
R5F100LFDFB#X0 FAQ
1.How can I place an order for R5F100LFDFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LFDFB#X0 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 R5F100LFDFB#X0 reliable?
The price and inventory of R5F100LFDFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LFDFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F100LFDFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LFDFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LFDFB#X0?
R5F100LFDFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LFDFB#X0 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 R5F100LFDFB#X0?
For technical support, including R5F100LFDFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LFDFB#X0 requirements.
6.How does Aetrix verify that R5F100LFDFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100LFDFB#X0 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 R5F100LFDFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F100LFDFB#X0?
All R5F100LFDFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LFDFB#X0, 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 R5F100LFDFB#X0 part is unused and in its original packaging.
Return procedure for R5F100LFDFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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