Renesas R5F100LCDFA#V0
- Part No.:
- R5F100LCDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LCDFA#V0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100LCDFA#V0 from Renesas is a 64-pin LQFP-0.65mm, 128 KB flash, 8 KB data flash, 12 KB RAM RL78/G13 16-bit MCU operating from 1.6–5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power HALT/STOP/SNOOZE modes (0.57 μA RTC+LVD), used in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F100LCDFA#V0 datasheet, R5F100LCDFA#V0 pinout, R5F100LCDFA#V0 application, or R5F100LCDFA#V0 equivalent, key selection criteria include its 64-pin LQFP package, integrated RTC + LVD, 10-bit 26-channel ADC, dual UART/LIN support, and 16-bit timer complement for deterministic real-time control in space-constrained industrial designs.
Technical Context
The R5F100LCDFA#V0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a high-accuracy ±1.0% on-chip oscillator (1–32 MHz selectable) and supports background operation during data flash rewriting.
Its peripheral set includes up to 16× 16-bit timers, 1× real-time clock with calendar/alarm/correction, 1× watchdog timer, 2–4 channel DMA, and serial interfaces: CSI (SPI-like), UART/LIN (2–4 channels), and I²C (3–10 channels), all optimized for low-voltage mixed-signal embedded control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V peripherals without level shifters |
| Flash Memory | 128 KB code flash with 1 KB block size and security lock against unauthorized erase/write |
| Data Flash | 8 KB with 1,000,000 write cycles and background operation (BGO) for concurrent execution |
| RAM | 12 KB on-chip RAM, including dedicated flash library usage area starting at FF300H |
| ADC | 10-bit resolution, 26 analog inputs, internal 1.45 V reference and temperature sensor |
| Timers | 16× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC, 1× watchdog timer |
| Serial Interfaces | 2–4 UART/LIN, 2–8 CSI (SPI-compatible), 3–10 I²C - supports multi-protocol sensor/actuator communication |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm, 0.65 mm pitch (PLQP0064JA-A), industrial-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling for noise-sensitive analog/digital coexistence |
| P00–P07 | General-purpose I/O with N-ch open drain option | Supports 6 V-tolerant N-ch open drain for legacy bus interfacing and pull-up flexibility |
| P10/P11 | SCK00/SI00/RxD0/TOOLRxD/SDA00 | Multi-function pins enabling SPI master/slave, UART debug, and I²C communication on shared hardware |
| P20–P27 | ANI0–ANI7 (analog inputs) | First 8 of 26 ADC channels; P20/P21 also serve as AVREFP/AVREFM for precision voltage referencing |
| P30–P37 | RTCOUT/CLKOUT/BUZZ/INTP0–INTP3 | Real-time clock output, programmable clock generator, buzzer drive, and four independent external interrupt sources |
| RESET | Active-low reset input | Accepts both external reset and internal POR/LVD assertion; debounced for robust system initialization |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - extends battery life in intermittent-sensing applications |
| On-chip debug & self-programming | Full on-chip debug via single-wire interface; boot swap and flash shield window enable secure firmware updates in field-deployed units |
| Multi-voltage I/O interface | Configurable I/Os tolerate 1.8 V, 2.5 V, and 3 V logic levels - simplifies integration with heterogeneous peripheral ecosystems |
| Integrated analog subsystem | 10-bit 26-channel ADC with internal reference and temperature sensor eliminates need for external sensing components in thermal monitoring |
| LIN bus support | UART peripheral includes LIN 2.2 protocol handling (break detection, sync, PID checksum) - reduces software overhead in automotive body electronics |
| Real-time clock with calendar | 99-year calendar, alarm, and auto-correction - enables time-stamped logging and scheduled wake-up without external RTC IC |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and air quality data every 5 minutes. IC Role / Device Role / Timing Role: Central controller managing sensor polling, ADC conversion, RTC-timed data logging, and low-power sleep/wake cycles. Use Value: 0.57 μA STOP mode with RTC ensures >5-year battery life; integrated 10-bit ADC and temperature sensor reduce BOM count by two components. | Use Scenario: Residential HVAC control unit requiring precise temperature regulation, user interface, and wireless reporting. IC Role / Device Role / Timing Role: Main system MCU executing PID control loop, driving LCD/LED UI, and communicating via UART to Wi-Fi/BLE module. Use Value: 41 DMIPS at 32 MHz provides headroom for real-time control + comms stack; 26 ADC channels support multiple thermistors and voltage monitors. |
| Programmable Logic Controller (PLC) I/O Module | Industrial Motor Drive Interface |
Use Scenario: DIN-rail mounted I/O expansion module with digital inputs, relay outputs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol handler and I/O manager - processes Modbus commands, scans inputs, drives outputs, and manages error states. Use Value: Dual UART with LIN support enables RS-485 transceiver control and diagnostics; 16× 16-bit timers provide precise pulse-width modulation for status LEDs and timing-critical I/O sequencing. | Use Scenario: Compact motor driver board controlling BLDC or stepper motors with current sensing, fault protection, and CAN/LIN coordination. IC Role / Device Role / Timing Role: System supervisor coordinating gate driver enable/disable, reading current/voltage feedback, and signaling faults via LIN to main controller. Use Value: On-chip LVD with 14-level selection detects brown-out before motor stall; 128 KB flash accommodates safety-certified motor control firmware and bootloader. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LCDFA#X0 | Identical electrical specs and pinout; differs only in packaging - embossed tape instead of tray | Same functional use; selected for automated SMT line feed compatibility rather than manual or small-batch assembly | Choose #X0 for high-volume pick-and-place production; #V0 preferred for prototyping and low-volume builds |
| R5F101LCDFA#V0 | Omits 8 KB data flash; retains same 128 KB code flash, 12 KB RAM, peripherals, and package | Used where firmware-only updates suffice and no runtime parameter storage is required - reduces cost in cost-sensitive consumer devices | Select #V0 variant when persistent nonvolatile data logging or field-upgradable configuration is needed; otherwise #V0 without data flash lowers BoM cost |
Compared with R5F100LCDFA#V0, the #X0 variant offers identical functionality with tape-and-reel logistics advantages, while the R5F101LCDFA#V0 removes data flash to cut cost where runtime reconfiguration isn't required - enabling tiered product variants from one hardware design.
Availability
R5F100LCDFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and PLC I/O modules requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for R5F100LCDFA#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 family delivers true low-power embedded control with integrated analog, communication, and timing peripherals - designed specifically for cost-sensitive, battery-operated, and industrial automation applications demanding reliability across extended temperature ranges.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100LCDFA#V0?
The R5F100LCDFA#V0 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation with 30.5 μs instruction time. This range enables adaptive performance/power trade-offs in the R5F100LCDFA#V0.
Does the R5F100LCDFA#V0 support in-system programming and secure firmware updates?
Yes, the R5F100LCDFA#V0 supports full in-system programming via its on-chip debug interface and includes self-programming capabilities with boot swap and flash shield window functions. These features allow safe, atomic firmware updates and prevent unauthorized access to protected code regions - critical for maintaining integrity in deployed R5F100LCDFA#V0-based systems.
What analog features are integrated into the R5F100LCDFA#V0 for sensor interfacing?
The R5F100LCDFA#V0 integrates a 10-bit successive-approximation ADC with up to 26 input channels, internal 1.45 V reference voltage, and an on-die temperature sensor. These features eliminate external reference ICs and discrete thermal sensors in many designs, directly supporting analog signal acquisition for environmental monitoring, motor current sensing, and power rail monitoring in the R5F100LCDFA#V0.
How does the R5F100LCDFA#V0 manage power in battery-operated applications?
The R5F100LCDFA#V0 provides three ultra-low-power modes: HALT (66 μA/MHz), STOP (0.57 μA with RTC and LVD active), and SNOOZE (low-power peripheral operation with CPU halted). Combined with its 1.6–5.5 V wide supply range and on-chip voltage detector with 14 selectable thresholds, the R5F100LCDFA#V0 enables robust, long-life operation in energy-constrained deployments.
Is the R5F100LCDFA#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 MCUs in the 64-pin LQFP-0.65mm package (e.g., R5F100LCDFA#V0, R5F100LDDFA#V0, R5F101LCDFA#V0) share identical pinouts and footprint. This allows hardware reuse across memory/configurations - for example, upgrading from 128 KB to 256 KB flash or selecting data-flash-enabled vs. data-flash-free variants without PCB redesign for the R5F100LCDFA#V0 footprint.
R5F100LCDFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K 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:
R5F100LCDFA#V0 FAQ
1.How can I place an order for R5F100LCDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LCDFA#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 R5F100LCDFA#V0 reliable?
The price and inventory of R5F100LCDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LCDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100LCDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LCDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LCDFA#V0?
R5F100LCDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LCDFA#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 R5F100LCDFA#V0?
For technical support, including R5F100LCDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LCDFA#V0 requirements.
6.How does Aetrix verify that R5F100LCDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LCDFA#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 R5F100LCDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LCDFA#V0?
All R5F100LCDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LCDFA#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 R5F100LCDFA#V0 part is unused and in its original packaging.
Return procedure for R5F100LCDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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