Renesas R5F100LCGFB#X0
- Part No.:
- R5F100LCGFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LCGFB#X0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100LCGFB#X0 from Renesas is a 64-pin LFQFP-packaged RL78/G13 16-bit microcontroller with 128 KB flash, 8 KB data flash, and 12 KB RAM, operating at up to 32 MHz (41 DMIPS), featuring ultra-low-power modes (0.57 μA RTC+LVD), 10-bit ADC (26 channels), RTC with calendar, and multiple serial interfaces (UART, I²C, CSI) for embedded control in industrial temperature range (−40°C to +105°C).
For engineers reviewing the R5F100LCGFB#X0 datasheet, R5F100LCGFB#X0 pinout, R5F100LCGFB#X0 application, or R5F100LCGFB#X0 equivalent, key selection criteria include its industrial-grade thermal rating, integrated data flash with 1M rewrite cycles, background operation capability, low-voltage detection across 14 levels, and support for LIN-bus via UART.
Technical Context
The R5F100LCGFB#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a high-accuracy ±1.0% on-chip oscillator (1–32 MHz selectable) and dedicated low-speed oscillator for watchdog and RTC operation.
Power management includes HALT, STOP, and SNOOZE modes; real-time clock provides calendar function (99-year range), alarm, and clock correction; DMA controller supports 4 channels with 2-clock transfers between SFR and RAM; and multiplier/divider unit delivers 16×16→32-bit signed/unsigned multiply and 32÷32→32-bit unsigned divide.
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 configurable high-speed on-chip oscillator (±1.0% accuracy) |
| Memory | 128 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles, BGO supported), 12 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 integrated temperature sensor |
| Timers & Clock | 16-bit timer ×16, 12-bit interval timer ×1, RTC with calendar/alarm/correction, watchdog timer with dedicated oscillator |
| Serial Interfaces | UART/LIN ×4, I²C/Simplified I²C ×10, CSI (SPI-compatible) ×8 |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.50-mm pitch), RoHS-compliant, industrial-grade (−40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: main VDD (1.6–5.5 V) and analog AVDD; supports mixed-voltage I/O (1.8/2.5/3.0 V interface) |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57, P60–P67, P70–P77 | General-purpose I/O ports | Up to 54 CMOS I/O with N-ch open-drain option (6 V tolerant), pull-up resistors, TTL input buffers, and key interrupt support |
| P20/P21 | Analog inputs / AVREFP/AVREFM | Dedicated analog reference voltage pins for ADC; enable precise 10-bit conversion across full VDD range (1.6–5.5 V) |
| P10–P13, P16–P17 | CSI0/UART0/I²C0 peripheral pins | Shared functions allow flexible routing of SPI-like CSI, UART (LIN-capable), and I²C on same pins; supports multi-protocol communication |
| P30–P33 | RTC/CLK pins | Connect external 32.768 kHz crystal for calendar-accurate RTC operation with automatic clock correction |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA STOP mode enables battery-powered applications with decade-scale RTC runtime (e.g., smart meters, remote sensors) |
| Data flash with BGO | Background operation allows concurrent program execution and data logging without system interruption-critical for firmware updates and event recording |
| Integrated LIN support | UART peripheral natively supports LIN 2.2 protocol (break detection, sync field, checksum), eliminating need for external transceiver in automotive body electronics |
| On-chip debug & self-programming | Full on-chip debug interface plus boot swap and flash shield window enable secure field firmware upgrades without external programmer |
| Multi-voltage I/O compatibility | Direct interfacing with 1.8 V, 2.5 V, and 3.0 V logic without level shifters reduces BOM cost and PCB area in mixed-supply systems |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
|
Use Scenario: Closed-loop BLDC motor control in HVAC blowers and pump drives requiring precise timing, analog sensing, and low standby consumption. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithms, sampling current/voltage via 10-bit ADC, generating PWM via 16-bit timers, and managing communication over UART/LIN. Use Value: 0.57 μA STOP mode extends battery backup life during power outages; 128 KB flash accommodates dual-motor control firmware with safety monitoring. |
Use Scenario: Residential electricity meter with real-time energy calculation, tamper detection, and PLC/RF communication interface. IC Role / Device Role / Timing Role: Primary metrology processor handling ADC sampling (26-channel), RTC-based billing intervals, and secure data flash logging of consumption history. Use Value: Integrated 8 KB data flash with 1M rewrite cycles stores 10+ years of hourly usage data; −40°C to +105°C rating ensures reliability in outdoor meter enclosures. |
| Automotive Body Electronics | Home Appliance Control |
|
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN bus integration. IC Role / Device Role / Timing Role: LIN node controller using UART peripheral for protocol-compliant communication, driving H-bridge drivers via GPIO, and monitoring switches/sensors. Use Value: Native LIN 2.2 support eliminates external transceiver; 64-pin LFQFP provides sufficient I/O for multi-function integration while meeting AEC-Q100 stress requirements (G-grade temp). |
Use Scenario: Washing machine main control board managing motor drive, water valve actuation, temperature sensing, and user interface. IC Role / Device Role / Timing Role: System-on-chip controller running real-time state machine, reading thermistor/NTC via ADC, generating precise PWM for inverter-driven motors, and communicating with display via I²C. Use Value: 12 KB RAM supports complex UI rendering and sensor fusion; SNOOZE mode enables responsive wake-on-button while maintaining <1 μA average current draw. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LGGBG#U0 | Same RL78/G13 core, 64-pin VFBGA (4 × 4 mm, 0.4 mm pitch); identical memory and peripherals but different package footprint and thermal profile | Preferred for space-constrained PCBs where QFN/BGA layout is feasible; lower thermal resistance but requires rework-capable assembly | Select when board area is critical and assembly process supports fine-pitch BGAs; not drop-in compatible due to mechanical and routing differences |
| R5F101LCGFB#X0 | Same package and pinout, but lacks data flash (0 KB); retains 128 KB code flash, 12 KB RAM, and identical peripherals except data logging capability | Suitable for cost-sensitive applications where firmware-only operation suffices (no field data storage or OTA update rollback) | Choose when data flash functionality is unnecessary-reduces cost and simplifies qualification; otherwise, R5F100LCGFB#X0 is required for BGO or secure logging |
Compared with R5F100LGGBG#U0, the R5F100LCGFB#X0 offers easier hand-soldering and thermal management via LFQFP, while R5F101LCGFB#X0 trades data flash for lower unit cost-making the original part optimal for applications needing robust nonvolatile parameter storage with background operation.
Availability
R5F100LCGFB#X0 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, automotive body electronics, home appliance control, and IoT edge nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F100LCGFB#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 automotive, industrial, and enterprise markets.
The RL78/G13 product line targets cost-sensitive, ultra-low-power embedded control applications-designed to replace legacy 8/16-bit MCUs with enhanced integration, security, and energy efficiency for industrial and automotive subsystems.
FAQ
What is the maximum operating frequency and performance of the R5F100LCGFB#X0?
The R5F100LCGFB#X0 operates at up to 32 MHz with 41 DMIPS performance. Its RL78 CPU core achieves this via a 3-stage pipeline and high-accuracy on-chip oscillator (±1.0% over −40°C to +85°C). Instruction execution time scales dynamically-from 0.03125 μs at 32 MHz to 30.5 μs at 32.768 kHz-enabling adaptive power/performance tuning in the R5F100LCGFB#X0.
Does the R5F100LCGFB#X0 support LIN bus communication?
Yes, the R5F100LCGFB#X0 supports LIN 2.2 protocol natively through its UART peripheral, including break detection, sync field handling, and checksum generation. No external transceiver is required for basic LIN node implementation, making it ideal for automotive body control modules where the R5F100LCGFB#X0 serves as a cost-optimized, integrated solution.
What are the data flash capabilities of the R5F100LCGFB#X0?
The R5F100LCGFB#X0 includes 8 KB of data flash rated for 1,000,000 write/erase cycles at VDD = 1.8–5.5 V. It supports background operation (BGO), enabling code execution from program memory while rewriting data flash-essential for reliable firmware updates and persistent event logging in the R5F100LCGFB#X0.
What is the operating temperature range for the R5F100LCGFB#X0?
The R5F100LCGFB#X0 is rated for industrial operation from −40°C to +105°C (G-grade), validated per Renesas' industrial qualification standards. This extended range ensures reliable performance in demanding environments such as motor drives, outdoor energy meters, and under-hood automotive modules where the R5F100LCGFB#X0 is deployed.
How many analog input channels does the R5F100LCGFB#X0 support?
The R5F100LCGFB#X0 features a 10-bit successive-approximation ADC with up to 26 analog input channels, operating across the full VDD range (1.6–5.5 V). It includes an internal 1.45 V reference and integrated temperature sensor-enabling accurate voltage, current, and thermal monitoring without external components in the R5F100LCGFB#X0.
R5F100LCGFB#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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100LCGFB#X0 FAQ
1.How can I place an order for R5F100LCGFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LCGFB#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 R5F100LCGFB#X0 reliable?
The price and inventory of R5F100LCGFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LCGFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F100LCGFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LCGFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LCGFB#X0?
R5F100LCGFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LCGFB#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 R5F100LCGFB#X0?
For technical support, including R5F100LCGFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LCGFB#X0 requirements.
6.How does Aetrix verify that R5F100LCGFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100LCGFB#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 R5F100LCGFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F100LCGFB#X0?
All R5F100LCGFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LCGFB#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 R5F100LCGFB#X0 part is unused and in its original packaging.
Return procedure for R5F100LCGFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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