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Renesas R5F100EFGNA#20
- Part No.:
- R5F100EFGNA#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R5F100EFGNA#20.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 40HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:900
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Product details
Overview
R5F100EFGNA#20 from Renesas is a 40-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (26 channels), and real-time clock - designed for ultra-low-power industrial sensor nodes and battery-powered control systems operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F100EFGNA#20 datasheet, R5F100EFGNA#20 pinout, R5F100EFGNA#20 application, or R5F100EFGNA#20 equivalent, key selection criteria include its 0.57 μA STOP-mode current, 32 MHz max CPU speed, integrated LVD with 14-level detection, hardware DMA (4 channels), and support for UART/LIN, I²C, and CSI serial interfaces in a compact 6 × 6 mm package.
Technical Context
The R5F100EFGNA#20 implements the RL78 CPU core with a 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode), and features a unified 1 MB address space with four register banks.
It integrates a high-accuracy ±1.0% on-chip oscillator (selectable from 1–32 MHz), background operation for data flash rewriting (BGO), and dedicated peripherals including a 12-bit interval timer, watchdog timer with independent low-speed oscillator, and on-chip BCD correction circuit for real-time calendar functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 41 DMIPS performance for deterministic real-time control |
| Flash Memory | 64 KB code flash with 1 KB block size, self-programming, and boot swap function |
| Data Flash | 4 KB with 1,000,000 write cycles (TYP), background operation (BGO) enabled |
| RAM | 4 KB on-chip SRAM - sufficient for RTOS stacks and sensor data buffering |
| ADC | 10-bit resolution, 26-channel analog input with internal 1.45 V reference and temperature sensor |
| Low-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 connection to Li-ion, coin-cell, or wide-input industrial rails |
Pinout & Package
Package: 40-pin HWQFN (6 × 6 mm, 0.5 mm pitch), moisture sensitivity level (MSL) 3, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI clock / I²C clock | Shared dual-function pin enabling flexible interface routing without external logic |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI input / UART receive / debug RX / I²C data | Multi-protocol pin reduces pin count for mixed-communication designs |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Enables precision ratiometric measurements using internal or external reference |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Supports differential ADC sampling and programmable reference voltage range |
| P30/INTP0/TOOLRST | External interrupt 0 / debug reset | Combines system wake-up and JTAG/SWD reset in one pin for minimal debug footprint |
| VDD | Main power supply | Accepts 1.6–5.5 V - eliminates need for external regulators in many battery-powered applications |
| VSS | GND | Dedicated analog/digital ground pins ensure noise isolation for mixed-signal operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC and LVD active - extends shelf life and runtime in always-on sensing |
| On-chip high-accuracy oscillator | ±1.0% tolerance (1.8–5.5 V, −20 to +85°C) - eliminates external crystal for cost-sensitive timing |
| Hardware DMA controller | 4-channel DMA with 2-clock transfers between SFR and RAM - offloads CPU during sensor data acquisition |
| Integrated LIN bus support | UART peripheral with automatic LIN break detection and sync field generation - simplifies automotive body electronics integration |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - enables time-stamped logging without external RTC IC |
| On-chip voltage detector (LVD) | 14 programmable threshold levels with interrupt/reset options - ensures safe brown-out response across supply ranges |
Applications
| Smart Thermostat Node | Industrial Motor Monitor |
|---|---|
|
Use Scenario: Battery-powered HVAC sensor node collecting ambient temperature, humidity, and occupancy data every 30 seconds. IC Role / Device Role / Timing Role: Main system controller executing sensor polling, local decision logic, and wireless transmission scheduling. Use Value: 0.57 μA STOP-mode current and RTC calendar enable precise wake-up intervals and multi-year battery life without external timing components. |
Use Scenario: Compact enclosure-mounted module monitoring motor current, temperature, and vibration via analog and digital inputs. IC Role / Device Role / Timing Role: Real-time data aggregator with timestamped fault logging and LIN-based communication to central PLC. Use Value: Integrated 10-bit ADC (26 channels), hardware DMA, and LIN-capable UART reduce BOM count and PCB area while ensuring deterministic sampling. |
| Portable Medical Meter | Energy Harvesting Sensor Hub |
|
Use Scenario: Handheld glucose meter requiring accurate analog measurement, button interface, and LCD drive capability. IC Role / Device Role / Timing Role: Signal acquisition and user interface controller with on-chip buzzer output and key interrupt support. Use Value: Internal 1.45 V reference and temperature sensor enable calibrated readings; low-voltage operation (1.6 V) extends usable battery range. |
Use Scenario: Solar- or piezo-powered environmental sensor collecting light, pressure, and air quality data. IC Role / Device Role / Timing Role: Power-aware system manager entering deep sleep between measurements and waking on RTC alarm or external event. Use Value: HALT and SNOOZE modes dynamically scale power vs. responsiveness; 1.6 V minimum VDD allows operation directly from harvested energy storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100EGGNA#20 | Same package and pinout; 128 KB flash, 8 KB data flash, 12 KB RAM - higher memory capacity | Required for larger firmware (e.g., BLE stack + sensor fusion) or extended data logging buffers | Select when >64 KB flash or >4 KB RAM is needed; identical low-power profile and peripheral set |
| R5F101EFGNA#20 | Same package and pinout; no data flash (0 KB), same 64 KB code flash and 4 KB RAM | Suitable where firmware updates occur only via external host or where data retention uses external EEPROM | Choose to reduce cost and simplify qualification when background data flash writes are unnecessary |
Compared with R5F100EFGNA#20, R5F100EGGNA#20 provides scalable memory headroom for feature-rich firmware, while R5F101EFGNA#20 removes data flash to lower unit cost and simplify flash management - both retain identical low-power behavior, peripheral configuration, and pin compatibility.
Availability
R5F100EFGNA#20 is available at Aetrix Electronics and suitable for industrial motor monitors, smart thermostat nodes, portable medical meters, and energy harvesting sensor hubs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for R5F100EFGNA#20 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 IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCU performance for general-purpose embedded applications - optimized for cost-sensitive, battery-operated, and thermally constrained systems requiring robust peripheral integration and long-term reliability.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100EFGNA#20?
The R5F100EFGNA#20 operates up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its RL78 CPU core supports variable instruction execution times - as fast as 0.03125 μs per instruction at 32 MHz - making it suitable for real-time control loops and deterministic sensor processing in the R5F100EFGNA#20.
Does the R5F100EFGNA#20 include an integrated data flash memory, and what are its endurance specifications?
Yes, the R5F100EFGNA#20 includes 4 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical). It supports background operation (BGO), allowing program execution from code flash while data flash is being rewritten - a critical capability for reliable firmware updates and parameter storage in the R5F100EFGNA#20.
What low-power modes does the R5F100EFGNA#20 support, and what is its lowest active-current consumption?
The R5F100EFGNA#20 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes just 0.57 μA - enabling multi-year operation on coin-cell batteries. Its HALT mode draws 66 μA/MHz, balancing responsiveness and efficiency for intermittent wake-up tasks in the R5F100EFGNA#20.
Can the R5F100EFGNA#20 operate across the full industrial temperature range, and what grade does its part number indicate?
Yes, the R5F100EFGNA#20 is qualified for −40°C to +105°C operation (industrial G-grade), as indicated by the "G" in its part number suffix. This makes it suitable for under-hood automotive modules, factory-floor controllers, and outdoor infrastructure where thermal resilience is required - confirmed in the official R5F100EFGNA#20 datasheet.
What serial communication interfaces are integrated into the R5F100EFGNA#20, and which support LIN bus protocol?
The R5F100EFGNA#20 integrates UART, I²C, and CSI (Simplified SPI) interfaces. Its UART peripheral includes dedicated LIN bus support - with automatic break detection, sync field generation, and checksum calculation - enabling direct connection to LIN transceivers without external protocol handling in the R5F100EFGNA#20.
R5F100EFGNA#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 28
- 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):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100EFGNA#20 FAQ
1.How can I place an order for R5F100EFGNA#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100EFGNA#20 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 R5F100EFGNA#20 reliable?
The price and inventory of R5F100EFGNA#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100EFGNA#20 is usually 5 days.
3.What payment methods are accepted for R5F100EFGNA#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100EFGNA#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100EFGNA#20?
R5F100EFGNA#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100EFGNA#20 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 R5F100EFGNA#20?
For technical support, including R5F100EFGNA#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100EFGNA#20 requirements.
6.How does Aetrix verify that R5F100EFGNA#20 is sourced from the original manufacturer or authorized distributors?
All R5F100EFGNA#20 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 R5F100EFGNA#20 meets industry standards.
7.What is the process for return or replacement of R5F100EFGNA#20?
All R5F100EFGNA#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100EFGNA#20, 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 R5F100EFGNA#20 part is unused and in its original packaging.
Return procedure for R5F100EFGNA#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F100EFGNA#20 Tags
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