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Renesas R5F101GADFB#X0
- Part No.:
- R5F101GADFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GADFB#X0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,955
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Product details
Overview
R5F101GADFB#X0 from Renesas is a 48-pin LFQFP-packaged 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB RAM, and no data flash memory, operating from 1.6 V to 5.5 V across -40°C to +85°C industrial temperature range. It delivers 41 DMIPS at 32 MHz, integrates 16-bit timers (12 channels), 10-bit ADC (26 channels), RTC, UART/SPI/I²C interfaces, and ultra-low-power HALT/STOP/SNOOZE modes - deployed in battery-powered sensor nodes and industrial control modules.
For engineers reviewing the R5F101GADFB#X0 datasheet, R5F101GADFB#X0 pinout, R5F101GADFB#X0 application, or R5F101GADFB#X0 equivalent, key selection criteria include its 48-pin LFQFP-0.5 mm pitch package, absence of on-chip data flash, industrial-grade temperature rating, and support for background data flash programming via external library (not integrated).
Technical Context
The R5F101GADFB#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz low-speed mode). Its memory map spans 1 MB address space, with 128 KB code flash organized in 1 KB blocks and 8 KB SRAM.
Power management includes on-chip POR and LVD with 14 selectable voltage detection levels, DMA controller (4 channels), and real-time clock with calendar, alarm, and clock correction functions. Peripheral integration covers 16-bit timer arrays, 10-bit ADC with internal 1.45 V reference and temperature sensor, and multiple serial interfaces including CSI (SPI-compatible), UART/LIN, and I²C.
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 - delivers 41 DMIPS; supports dynamic clock switching between 1–32 MHz oscillator options |
| Flash Memory | 128 KB code flash, 1 KB block size, no data flash - requires external flash or RAM-based logging |
| RAM Size | 8 KB on-chip SRAM - sufficient for RTOS stacks and moderate firmware footprint |
| ADC Resolution & Channels | 10-bit SAR ADC with up to 26 analog inputs and internal 1.45 V reference - enables direct sensor signal acquisition without external references |
| Operating Voltage Range | 1.6 V to 5.5 V - supports single-supply operation across Li-ion, coin-cell, and 3.3/5 V rail systems |
| Temperature Range | -40°C to +85°C (Industrial grade D suffix) - validated for factory automation and building control environments |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 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 domain decoupling; supports 1.6–5.5 V operation |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P53 | General-purpose I/O ports | 48 total I/O pins; configurable as N-ch open-drain (6 V tolerant), TTL input, or pull-up enabled - enables mixed-voltage interfacing (1.8/2.5/3.3 V) |
| P10/SCK00/SCL00 | Serial clock output/input | Shared SPI clock (SCK00) and I²C clock (SCL00) - allows dual-protocol reuse on same pin with software configuration |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial data input / UART receive / debug interface | Multi-function pin supporting SPI input, UART RX, on-chip debug receive, and I²C data - simplifies board routing but requires careful mode selection |
| P20/ANI0/AVREFP, P21/ANI1/AVREFM | Analog input / ADC reference | Dedicated ADC reference pair (AVREFP/AVREFM) and two analog inputs - enables ratiometric or precision external reference configurations |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA typical current draw with RTC and LVD active - extends battery life in always-on monitoring applications |
| On-chip high-accuracy oscillator | +/-1.0% frequency tolerance over full voltage (1.8–5.5 V) and temperature (-20 to +85°C) range - eliminates need for external crystal in cost-sensitive designs |
| Background data flash programming | Supports BGO (background operation) for data flash writes while executing code - enables seamless firmware updates and data logging without halting application |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - provides accurate timekeeping for data timestamping and scheduled operations |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - accelerates motor control algorithms and digital filtering |
Applications
| Smart Sensor Node | Industrial HMI Panel |
|---|---|
|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and CO₂ data every 10 seconds with wireless transmission. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-triggered wake-up, low-power sleep transitions, and UART-to-Bluetooth bridge logic. Use Value: 0.57 μA STOP mode and integrated RTC enable multi-year battery life; 10-bit ADC with internal reference reduces BOM cost and layout area. |
Use Scenario: Local operator interface for PLC-controlled conveyor system with touch buttons, LED indicators, and status display. IC Role / Device Role / Timing Role: Dedicated UI processor handling button debouncing, LED PWM dimming, UART communication with main PLC, and real-time fault logging. Use Value: 48 GPIOs support direct matrix keypad and LED drive; 16-bit timers provide precise PWM for brightness control; industrial temp rating ensures reliability in factory ambient. |
| Energy Meter Front-End | Home Appliance Control Unit |
|
Use Scenario: AC mains energy meter measuring voltage/current waveforms, computing kWh, and storing daily usage in nonvolatile memory. IC Role / Device Role / Timing Role: Signal acquisition and computation engine interfacing with metrology ADC, performing RMS calculations, and managing secure flash writes. Use Value: 26-channel 10-bit ADC supports multi-phase sensing; hardware multiplier accelerates RMS and harmonic analysis; 128 KB flash accommodates encryption and calibration tables. |
Use Scenario: Washing machine main control board managing motor drive signals, water valve timing, temperature sensing, and user interface feedback. IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor control, ADC-based thermistor readings, relay actuation, and buzzer alerts via on-chip clock output. Use Value: SNOOZE mode enables low-latency wake-up from sensor interrupts; on-chip BCD correction simplifies display driver integration; 1.6–5.5 V operation tolerates brown-out conditions during load surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GADFB#X0 | Includes 4 KB data flash; identical pinout, package, and peripheral set | Enables embedded data logging without external EEPROM; higher code density due to flash shield window function | Select when persistent parameter storage or firmware update rollback capability is required |
| R5F101GAHFB#X0 | Same 128 KB flash, 8 KB RAM, no data flash; 64-pin LQFP package (0.65 mm pitch) | Provides 16 additional GPIOs and 2 extra UART channels; larger PCB footprint and higher pin count | Choose when expanded I/O or serial connectivity justifies larger package and layout revision |
Compared with R5F101GADFB#X0, R5F100GADFB#X0 adds data flash for local configuration storage without changing PCB layout, while R5F101GAHFB#X0 trades compact 48-pin packaging for greater I/O scalability - both retain identical core performance and low-power behavior.
Availability
R5F101GADFB#X0 is available at Aetrix Electronics and suitable for industrial control systems, smart sensor nodes, and home appliance control units requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for R5F101GADFB#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, and power management solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose applications - balancing performance, energy efficiency, and integration for battery-operated and industrial edge devices.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F101GADFB#X0?
The R5F101GADFB#X0 operates up to 32 MHz, delivering 41 DMIPS of processing performance. Its RL78 CPU core supports dynamic clock switching between 1 MHz and 32 MHz using the on-chip high-accuracy oscillator (±1.0% tolerance), enabling optimized trade-offs between speed and power consumption in real-time applications. This performance level is verified under standard industrial conditions (VDD = 1.8–5.5 V, TA = –40 to +85°C).
Does the R5F101GADFB#X0 include on-chip data flash memory?
No, the R5F101GADFB#X0 does not include on-chip data flash memory. The '1' in the part number prefix (R5F101xx) explicitly denotes absence of data flash, distinguishing it from R5F100xx variants which integrate 4–8 KB. Firmware must use code flash for constants or external nonvolatile memory for runtime data storage. The R5F101GADFB#X0 retains full self-programming capability for code flash updates.
What package type and pin pitch does the R5F101GADFB#X0 use?
The R5F101GADFB#X0 uses a 48-pin LFQFP package with 7 mm × 7 mm body size and 0.5 mm pin pitch. The '#X0' suffix confirms embossed tape packaging, and the 'FB' designation specifies the LFQFP variant. This package is RoHS-compliant and rated for industrial temperature operation (–40°C to +85°C), making it suitable for compact, high-density PCB layouts in harsh environments.
How does the R5F101GADFB#X0 support low-power operation in battery-powered applications?
The R5F101GADFB#X0 supports ultra-low-power operation through HALT, STOP, and SNOOZE modes - achieving as low as 0.57 μA in STOP mode with RTC and LVD active. Its 66 μA/MHz active current, programmable voltage detector (14-level LVD), and sub-μA real-time clock enable multi-year battery life in intermittent-sensing applications. Wake-up sources include GPIO, timer, and peripheral interrupts, ensuring responsive yet frugal energy use.
Which serial communication interfaces are integrated into the R5F101GADFB#X0?
The R5F101GADFB#X0 integrates three serial interface types: simplified SPI (CSI) with up to 8 channels, UART/LIN with up to 4 channels (supporting LIN bus protocol), and I²C/Simplified I²C with up to 10 channels. All are software-configurable per pin, sharing multiplexed I/O resources. The UART modules support automatic LIN break detection and sync field handling, while CSI offers flexible frame formats compatible with standard SPI peripherals.
R5F101GADFB#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:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K 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:
R5F101GADFB#X0 FAQ
1.How can I place an order for R5F101GADFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GADFB#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 R5F101GADFB#X0 reliable?
The price and inventory of R5F101GADFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GADFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F101GADFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GADFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GADFB#X0?
R5F101GADFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GADFB#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 R5F101GADFB#X0?
For technical support, including R5F101GADFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GADFB#X0 requirements.
6.How does Aetrix verify that R5F101GADFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F101GADFB#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 R5F101GADFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F101GADFB#X0?
All R5F101GADFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GADFB#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 R5F101GADFB#X0 part is unused and in its original packaging.
Return procedure for R5F101GADFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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