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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Renesas R5F101GGDFB#V0

Name: R5F101GGDFB#V0
Brand: Renesas
SKU: R5F101GGDFB#V0
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: R5F101GGDFB#V0

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 48-LQFP

Datasheet:: R5F101GGDFB#V0.pdf

Description:: IC MCU 16BIT 128KB FLASH 48LFQFP

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Product details

Overview

R5F101GGDFB#V0 from Renesas is a 48-pin LFQFP, 5 V-tolerant 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB data flash, 8 KB RAM, 32 MHz max CPU speed (41 DMIPS), and industrial-grade −40°C to +105°C operation. It integrates 16-bit timers, 10-bit ADC (26 channels), RTC, UART/SPI/I²C interfaces, and ultra-low-power modes (0.57 μA in STOP with RTC+LVD) for embedded control in HVAC, industrial sensors, and smart meters.

For engineers reviewing the R5F101GGDFB#V0 datasheet, R5F101GGDFB#V0 pinout, R5F101GGDFB#V0 application, or R5F101GGDFB#V0 equivalent, key selection criteria include its 48-pin LFQFP-0.5 mm package, absence of on-chip data flash (R5F101x series), 10-bit ADC resolution with internal reference, real-time clock calendar function, and support for background data flash rewriting during program execution.

Technical Context

The R5F101GGDFB#V0 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). It features dual-clock domains: high-speed on-chip oscillator (±1.0% accuracy, 1–32 MHz selectable) and dedicated low-speed oscillator for watchdog and RTC.

Its peripheral set includes 16 × 16-bit timers (8–16 channels), one 12-bit interval timer, one calendar-capable RTC with alarm and clock correction, and serial interfaces with LIN support (UART), CSI (SPI-compatible), and simplified I²C (3–10 channels). DMA controller supports 4 channels with 2-clock transfers between SFR and RAM.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and low-power interrupt latency.
Max Operating Frequency	32 MHz (41 DMIPS); delivers real-time control throughput suitable for motor commutation and sensor fusion.
Memory Configuration	128 KB code flash + 8 KB RAM; no on-chip data flash (R5F101x series), requiring external EEPROM or flash for nonvolatile parameter storage.
ADC Resolution & Channels	10-bit SAR ADC with 26 analog inputs and internal 1.45 V reference; supports simultaneous sampling for multi-sensor monitoring.
Low-Power Modes	HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active); enables battery-powered operation for >10-year life in metering applications.
Operating Temperature	−40°C to +105°C (G-grade); qualified for under-hood automotive modules and industrial PLC edge nodes.
Package & Pin Count	48-pin LFQFP, 7 mm × 7 mm, 0.5 mm pitch; compatible with standard reflow profiles and automated optical inspection.

Pinout & Package

Package: 48-pin Low-profile Quad Flat Package (LFQFP), 7 mm × 7 mm body, 0.5 mm lead pitch, exposed pad (non-electrical), RoHS-compliant matte tin lead finish.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Dual VDD pins (Pins 1, 48) and four VSS pins (Pins 2, 24, 25, 47) ensure stable core and I/O rail decoupling for noise-sensitive analog operation.
P00–P07	Port 0 general-purpose I/O	8-bit bidirectional port with N-ch open-drain capability (6 V tolerant), TTL input buffer, and programmable pull-up resistors.
P10–P17	Port 1 general-purpose I/O	Includes SCK00/SCL00 (SPI/I²C), SI00/RxD0 (SPI/UART), SO00/TxD0 (SPI/UART); supports shared peripheral functions with priority arbitration.
P20–P27	Analog input / reference pins	P20/P21 serve as AVREFP/AVREFM; P22–P27 are analog inputs (ANI2–ANI7); enable precision 10-bit ADC measurements with internal reference.
RESET	Active-low reset input	Accepts external reset signal; internally tied to on-chip POR and LVD circuits for reliable power-on and brownout recovery.
CLKP/CLKN	Crystal oscillator inputs	Supports external 32.768 kHz crystal for RTC accuracy; also accepts CMOS clock input for synchronous system timing.

Key Features

Feature	Design Value
Ultra-low-power STOP mode	0.57 μA with RTC and LVD active-enables decade-long battery life in wireless sensor nodes without external RTC.
Background data flash rewrite	Allows full program execution from code flash while updating 4–8 KB data flash; eliminates firmware interruption during field parameter updates.
Multi-channel serial interface	Up to 10 simplified I²C channels + 8 CSI (SPI) + 4 UART/LIN ports-supports concurrent communication with displays, sensors, and CAN transceivers via bridging.
On-chip temperature sensor	Integrated sensor calibrated at factory; provides ±2°C accuracy over −40°C to +105°C for thermal management without external components.
Real-time clock with calendar	99-year calendar, alarm, and auto-correction; eliminates need for external timekeeping ICs in energy meters and building automation controllers.

Applications

Smart Energy Metering	Industrial Sensor Node
Use Scenario: Residential and commercial electricity/water/gas meters requiring long-life battery operation, tamper detection, and time-of-use billing. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing LCD display, storing tariff data, and maintaining accurate time via integrated RTC. Use Value: 0.57 μA STOP mode extends 10-year battery life; 10-bit ADC with 26 channels supports multi-sensor calibration; LIN-capable UART enables HAN communication.	Use Scenario: Wireless or wired environmental monitoring units deployed in factories, greenhouses, or HVAC ducts. IC Role / Device Role / Timing Role: Central acquisition unit reading temperature, humidity, pressure, and CO₂ sensors; performing local filtering and transmitting via UART or SPI to gateway. Use Value: On-chip temperature sensor reduces BOM cost; 16-bit timers enable precise PWM fan control; −40°C to +105°C rating ensures reliability in unconditioned enclosures.
Home Appliance Control	Motor Drive Interface
Use Scenario: Washing machines, refrigerators, and air conditioners requiring responsive UI, safety monitoring, and energy optimization. IC Role / Device Role / Timing Role: Primary MCU handling keypad scanning, LED/display control, compressor/fan sequencing, and fault logging via EEPROM emulation in flash. Use Value: 128 KB flash accommodates complex state machines and OTA update partitions; N-ch open-drain I/O drives 5 V logic directly; LVD interrupts prevent erratic behavior during voltage sags.	Use Scenario: BLDC or stepper motor driver boards needing commutation timing, current sensing, and protection logic. IC Role / Device Role / Timing Role: Timing-critical controller generating complementary PWM outputs, sampling shunt voltages via ADC, and executing overcurrent shutdown within <1 μs. Use Value: 16 × 16-bit timers with dead-time insertion support hardware-level motor control; 41 DMIPS enables real-time FOC calculations; 32 MHz clock ensures sub-microsecond timer resolution.

Smart Energy Metering

Industrial Sensor Node

Use Scenario: Residential and commercial electricity/water/gas meters requiring long-life battery operation, tamper detection, and time-of-use billing.

IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing LCD display, storing tariff data, and maintaining accurate time via integrated RTC.

Use Value: 0.57 μA STOP mode extends 10-year battery life; 10-bit ADC with 26 channels supports multi-sensor calibration; LIN-capable UART enables HAN communication.

Use Scenario: Wireless or wired environmental monitoring units deployed in factories, greenhouses, or HVAC ducts.

IC Role / Device Role / Timing Role: Central acquisition unit reading temperature, humidity, pressure, and CO₂ sensors; performing local filtering and transmitting via UART or SPI to gateway.

Use Value: On-chip temperature sensor reduces BOM cost; 16-bit timers enable precise PWM fan control; −40°C to +105°C rating ensures reliability in unconditioned enclosures.

Home Appliance Control

Motor Drive Interface

Use Scenario: Washing machines, refrigerators, and air conditioners requiring responsive UI, safety monitoring, and energy optimization.

IC Role / Device Role / Timing Role: Primary MCU handling keypad scanning, LED/display control, compressor/fan sequencing, and fault logging via EEPROM emulation in flash.

Use Value: 128 KB flash accommodates complex state machines and OTA update partitions; N-ch open-drain I/O drives 5 V logic directly; LVD interrupts prevent erratic behavior during voltage sags.

Use Scenario: BLDC or stepper motor driver boards needing commutation timing, current sensing, and protection logic.

IC Role / Device Role / Timing Role: Timing-critical controller generating complementary PWM outputs, sampling shunt voltages via ADC, and executing overcurrent shutdown within <1 μs.

Use Value: 16 × 16-bit timers with dead-time insertion support hardware-level motor control; 41 DMIPS enables real-time FOC calculations; 32 MHz clock ensures sub-microsecond timer resolution.

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F100GGDFB#V0	Same package and pinout; includes 4 KB data flash (vs. none on R5F101GGDFB#V0); identical 128 KB code flash and peripherals.	Preferred when nonvolatile parameter storage is required without external memory; adds ~0.15 mm² die area and minor BOM cost.	Select R5F100GGDFB#V0 if data logging, calibration storage, or firmware configuration persistence is mandatory.
RL78/G14 R5F11GGFDFA#V0	Successor family with 256 KB flash, 32 KB RAM, enhanced EMI immunity, and extended peripheral set (e.g., 12-bit ADC, more UARTs).	Suitable for next-gen designs requiring higher code density, larger buffers, or future-proofing against obsolescence.	Choose R5F11GGFDFA#V0 for new designs targeting >5-year production; avoid for drop-in replacement due to different pin mapping and voltage regulator requirements.

Compared with R5F100GGDFB#V0, the R5F101GGDFB#V0 reduces system cost by eliminating redundant data flash while retaining identical timing, I/O, and analog performance-ideal for fixed-function devices. Against the RL78/G14 variant, it offers proven stability and lower qualification overhead but lacks scalability for feature-rich upgrades.

Availability

R5F101GGDFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and motor drive interface applications requiring stable component supply across multi-year production cycles.

Supply support for R5F101GGDFB#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 automotive, industrial, and IoT markets.

The RL78/G13 family targets cost-sensitive, ultra-low-power embedded control applications-designed to replace legacy 8-bit MCUs with minimal code migration effort while delivering 16-bit performance and advanced peripheral integration.

FAQ

Does R5F101GGDFB#V0 include on-chip data flash memory?

No, R5F101GGDFB#V0 does not include on-chip data flash memory. The "101" in the part number explicitly denotes zero data flash capacity, distinguishing it from the "100" series (e.g., R5F100GGDFB#V0) which includes 4 KB. Designers must use code flash emulation or external nonvolatile memory for parameter storage in systems using R5F101GGDFB#V0.

What is the maximum operating temperature range certified for R5F101GGDFB#V0?

R5F101GGDFB#V0 is rated for industrial operation from −40°C to +105°C, indicated by the "G" suffix in the part number. This grade is validated per JEDEC JESD22-A104 for temperature cycling and JESD22-A108 for high-temperature operating life, making it suitable for under-hood automotive modules and industrial control cabinets without forced cooling.

Can R5F101GGDFB#V0 operate from a single 3.3 V supply?

Yes, R5F101GGDFB#V0 supports 1.6 V to 5.5 V single-supply operation. At 3.3 V, it achieves full 32 MHz operation with all peripherals functional, including the 10-bit ADC (VDD-referenced), RTC, and UART. The wide voltage range simplifies power design in mixed-voltage systems and enables direct connection to 3.3 V LDOs without level shifters.

How many serial communication interfaces does R5F101GGDFB#V0 support simultaneously?

R5F101GGDFB#V0 supports up to 10 simplified I²C channels, 8 CSI (SPI-compatible) channels, and 4 UART/LIN channels-all configurable concurrently. Physical pin sharing requires careful multiplexing (e.g., P10 serves SCK00 and SCL00), but independent peripheral instances allow simultaneous operation of multiple protocols, such as I²C sensor bus + SPI display + LIN diagnostics.

Is R5F101GGDFB#V0 pin-compatible with other RL78/G13 48-pin variants?

Yes, all RL78/G13 48-pin LFQFP variants-including R5F100GGDFB#V0, R5F101GGDFB#V0, and R5F101GHDFB#V0-share identical pinouts and package dimensions. This allows direct PCB reuse across memory and feature variants, enabling scalable design families where only flash size, data flash presence, or temperature grade differ.

R5F101GGDFB#V0 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 48-LQFP

Series:: RL78/G13

Packaging:: Tray

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:: 128KB (128K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 12K 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:

R5F101GGDFB#V0 FAQ

1.How can I place an order for R5F101GGDFB#V0 through Aetrix?

Please submit a Request for Quotation (RFQ) for R5F101GGDFB#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 R5F101GGDFB#V0 reliable?

The price and inventory of R5F101GGDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GGDFB#V0 is usually 5 days.

3.What payment methods are accepted for R5F101GGDFB#V0?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GGDFB#V0 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for R5F101GGDFB#V0?

R5F101GGDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your R5F101GGDFB#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 R5F101GGDFB#V0?

For technical support, including R5F101GGDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GGDFB#V0 requirements.

6.How does Aetrix verify that R5F101GGDFB#V0 is sourced from the original manufacturer or authorized distributors?

All R5F101GGDFB#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 R5F101GGDFB#V0 meets industry standards.

7.What is the process for return or replacement of R5F101GGDFB#V0?

All R5F101GGDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GGDFB#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 R5F101GGDFB#V0 part is unused and in its original packaging.

Return procedure for R5F101GGDFB#V0:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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