Renesas R5F100GEAFB#X0
- Part No.:
- R5F100GEAFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F100GEAFB#X0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,830
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F100GEAFB#X0 from Renesas is a 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch), industrial-grade RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (26-channel), and real-time clock - designed for low-power sensor nodes and battery-operated control systems operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F100GEAFB#X0 datasheet, R5F100GEAFB#X0 pinout, R5F100GEAFB#X0 application, or R5F100GEAFB#X0 equivalent, key selection criteria include ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), integrated data flash with background operation, and support for LIN-bus UART and I²C in compact 48-pin LFQFP packaging.
Technical Context
The R5F100GEAFB#X0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz). It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–32 MHz), DMA controller (4 channels), and hardware multiplier/divider for efficient signal processing.
Its peripheral set includes up to 26 analog inputs for the 10-bit ADC, 16× 16-bit timers, 3× I²C/Simplified I²C interfaces, 2× UART/LIN channels, and 2× CSI (SPI-compatible) serial interfaces - all configurable via register-based control without external timing components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 64 KB code flash with 1 KB block erase, self-programming, and boot swap |
| Data Flash | 4 KB with background operation (BGO), 1M rewrite cycles, 1.8–5.5 V programming |
| RAM | 4 KB on-chip SRAM, including dedicated flash library RAM area at FEF00H |
| Power Supply | 1.6 V to 5.5 V single supply; 66 μA/MHz active current; 0.57 μA RTC+LVD standby |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference and temperature sensor |
| Operating Temp | −40°C to +105°C (industrial G-grade), qualified for extended thermal cycling |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; supports 1.6–5.5 V operation |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; supports 1.8/2.5/3 V interface |
| P10–P17 | Multi-function port | Includes SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00 - enables dual-role SPI/I²C and debug UART |
| P20–P27 | Analog input port | Hosts ANI0–ANI7 and AVREFP/AVREFM; connects directly to 10-bit ADC with internal reference |
| RESET | Active-low reset input | Accepts external reset; internally tied to on-chip POR and LVD with 14-level voltage detection |
| CLKP/CLKM | External crystal oscillator terminals | Supports 32.768 kHz crystal for RTC; optional external main clock up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE mode | Enables UART/LIN receive wakeup with CPU halted - reduces average system power in polling applications |
| Background Data Flash | Allows full program execution from flash while rewriting data flash - eliminates interrupt latency during logging |
| Hardware LIN support | UART channel includes automatic sync-break generation and checksum calculation per LIN 2.x spec |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and auto clock correction - operates independently in STOP mode |
| On-chip debug interface | Fully compliant with Renesas E1/E20 debuggers; no external JTAG header required |
Applications
| Smart Thermostat Control | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered HVAC controller monitoring ambient temperature, humidity, and occupancy over 5+ years. IC Role / Device Role / Timing Role: Main system controller executing PID loop, managing display, and communicating via LIN to actuator modules. Use Value: 0.57 μA RTC+LVD mode extends coin-cell life; integrated 10-bit ADC eliminates external signal conditioning for thermistor inputs. | Use Scenario: Wireless vibration sensor node in factory machinery, sampling at 1 kHz and transmitting via RS-485 gateway. IC Role / Device Role / Timing Role: Signal acquisition MCU with timestamped ADC capture, data preprocessing, and UART-to-RS485 bridge logic. Use Value: BGO data flash enables continuous event logging without halting measurement; 4 KB RAM supports FFT buffer and protocol stack. |
| Home Appliance Motor Control | Energy Metering Interface |
Use Scenario: Compact washing machine control board requiring precise motor timing, safety monitoring, and user interface. IC Role / Device Role / Timing Role: Primary MCU coordinating triac firing, door lock logic, water level sensing, and buzzer feedback. Use Value: HALT/STOP modes reduce standby power below 1 μA; on-chip key interrupt handles mechanical button debounce without CPU load. | Use Scenario: DIN-rail energy meter with pulse counting, tariff switching, and optical port communication. IC Role / Device Role / Timing Role: Metering interface controller handling metrology IC SPI reads, RTC calendar updates, and IRDA physical layer. Use Value: Integrated 32.768 kHz RTC with calendar and alarm ensures accurate billing intervals; 16-bit timers generate precise pulse-width modulation for LED indicators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GEAFP#V0 | Same core, memory, and peripherals; packaged in 48-pin LQFP (10 × 10 mm, 0.65-mm pitch) | Larger footprint and different thermal profile; requires PCB redesign for pad layout and reflow profile | Select when legacy LQFP tooling or higher thermal mass is preferred over compact LFQFP |
| R5F101GEAFB#X0 | Identical package and pinout; omits data flash (0 KB) and removes BGO capability | Not suitable for firmware-over-the-air or field data logging; lower cost where EEPROM or external flash is acceptable | Choose only if data flash functionality is unused and BOM cost reduction is critical |
Compared with R5F100GEAFB#X0, R5F100GEAFP#V0 offers identical functionality in a larger LQFP package for easier prototyping or thermal management, while R5F101GEAFB#X0 removes data flash to reduce unit cost - making it viable only when non-volatile parameter storage is handled externally.
Availability
R5F100GEAFB#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, and home appliance controllers requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for R5F100GEAFB#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and thermally constrained applications - emphasizing energy efficiency, integrated analog, and functional safety readiness.
FAQ
What is the maximum operating frequency of the R5F100GEAFB#X0?
The R5F100GEAFB#X0 supports up to 32 MHz operation using its high-accuracy on-chip oscillator (±1.0% over −20 to +85°C). External crystals up to 20 MHz may also be used via CLKP/CLKM pins. At 32 MHz, the RL78 core delivers 41 DMIPS performance with minimum instruction time of 0.03125 μs - confirmed in the R01DS0131EJ0380 datasheet Section 1.1.
Does the R5F100GEAFB#X0 include an integrated temperature sensor?
Yes, the R5F100GEAFB#X0 includes an on-chip temperature sensor usable with the 10-bit ADC. It is selectable only in HS (high-speed main) mode and provides calibrated readings referenced to the internal 1.45 V bandgap voltage - documented in Section 1.1 Features and Table 1-1 of the R01DS0131EJ0380 datasheet.
How much data flash does the R5F100GEAFB#X0 provide, and what is its endurance?
The R5F100GEAFB#X0 provides 4 KB of data flash memory rated for 1,000,000 write/erase cycles (typical) at VDD = 1.8–5.5 V. Background operation (BGO) allows concurrent program execution and data flash rewriting - a key feature confirmed in Section 1.1 Features and memory tables on page 2 of R01DS0131EJ0380.
Is the R5F100GEAFB#X0 pin-compatible with other RL78/G13 variants in 48-pin LFQFP?
Yes, all RL78/G13 devices in the 48-pin LFQFP package (FB suffix) share identical pinouts, including R5F100GEAFB#X0, R5F100GFAFB#X0, and R5F101GEAFB#X0. This enables direct substitution within the same package family - verified in Table 1-1 (page 8) and Pin Configuration diagrams (page 13) of R01DS0131EJ0380.
What debug interface does the R5F100GEAFB#X0 support, and is external hardware required?
The R5F100GEAFB#X0 supports Renesas' on-chip debug interface via dedicated TOOLRxD/TOOLTxD pins (P11/P12), compatible with E1 and E20 emulators. No external JTAG header or boundary-scan circuitry is needed - full debugging, flash programming, and real-time trace are enabled through this two-wire interface as specified in Section 1.1 and the "On-chip debug function" feature list.
R5F100GEAFB#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 34
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100GEAFB#X0 FAQ
1.How can I place an order for R5F100GEAFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100GEAFB#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 R5F100GEAFB#X0 reliable?
The price and inventory of R5F100GEAFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100GEAFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F100GEAFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100GEAFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100GEAFB#X0?
R5F100GEAFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100GEAFB#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 R5F100GEAFB#X0?
For technical support, including R5F100GEAFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100GEAFB#X0 requirements.
6.How does Aetrix verify that R5F100GEAFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100GEAFB#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 R5F100GEAFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F100GEAFB#X0?
All R5F100GEAFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100GEAFB#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 R5F100GEAFB#X0 part is unused and in its original packaging.
Return procedure for R5F100GEAFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F100GEAFB#X0 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

