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Renesas R5F101GDAFB#10
- Part No.:
- R5F101GDAFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GDAFB#10.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R5F101GDAFB#10 from Renesas is a 48-pin LFQFP-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 control applications operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F101GDAFB#10 datasheet, R5F101GDAFB#10 pinout, R5F101GDAFB#10 application, or R5F101GDAFB#10 equivalent, this page delivers verified specifications, package mapping, functional role in timing-critical embedded systems, and validated alternative options for design continuity.
Technical Context
The R5F101GDAFB#10 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz), and features a dedicated low-speed on-chip oscillator for watchdog and RTC operation. It integrates DMA (2-channel), multiplier/divider unit, and background data flash rewriting capability.
Its peripheral set includes up to 16× 16-bit timers, 3× I²C/Simplified I²C interfaces, 4× UART/LIN channels, and 2–8× CSI (SPI-compatible) channels - all configurable under HALT, STOP, and SNOOZE low-power modes that achieve 0.57 μA RTC+LVD operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash Memory | 64 KB code flash with 1 KB block size and flash shield window security |
| Data Flash | 4 KB with background operation (BGO) and 1M rewrite cycles (TYP) |
| RAM | 4 KB on-chip SRAM, including dedicated areas for flash library use (start address FF300H) |
| ADC | 10-bit resolution, 26-channel analog input, internal 1.45 V reference and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V supply range, supporting direct interface with 1.8/2.5/3.0 V logic devices |
| Temperature Range | −40°C to +85°C (Industrial grade D variant, confirmed by suffix 'D' in part number) |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE (selective peripheral wake-up) |
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 |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin for master clock output in CSI mode or SCL in I²C mode; supports multi-protocol peripheral interfacing |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / Debug RX / I²C Data | Multi-function pin enabling serial communication (SPI/UART/I²C) and on-chip debug via TOOL interface |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel and selectable positive reference voltage source for ADC measurements |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input and negative reference terminal for differential ADC operation |
| P22/ANI2 | Analog Input 2 | Dedicated analog input channel usable with internal temperature sensor or external signal conditioning |
| RESET | Active-Low Reset Input | Asynchronous reset pin accepting external push-button or supervisor IC assertion; tied to on-chip POR/LVD |
| VDD, VSS | Power Supply / Ground | Single 1.6–5.5 V supply domain; no separate analog/digital rail required |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 0.57 μA in STOP mode with RTC + LVD active enables battery-powered operation for >10 years |
| Self-programmable flash | Boot swap and flash shield window functions support secure firmware updates without external programmer |
| Background data flash rewrite | Code execution continues from flash while rewriting data flash - critical for logging and parameter storage |
| Multi-protocol serial interface | Hardware support for CSI (SPI), UART/LIN, and I²C on shared pins reduces PCB routing complexity |
| Dedicated RTC with calendar | 99-year calendar, alarm, and clock correction eliminate need for external real-time clock IC |
| On-chip voltage detector | 14-level LVD with interrupt/reset selection enables precise brown-out detection and system-safe shutdown |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Standalone electricity meter with tamper detection, pulse counting, and RS-485 communication. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing EEPROM logging, and driving isolated UART for DLMS/COSEM protocol. Use Value: 64 KB flash accommodates dual-application firmware (metering + diagnostics); RTC ensures accurate billing timestamping without external crystal. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance system with 10-year battery life. IC Role / Device Role / Timing Role: Sensor aggregator with ADC sampling, FFT preprocessing, and low-power BLE subsystem wake-up trigger. Use Value: 0.57 μA STOP mode extends battery life; 26-channel ADC supports multi-sensor analog front-end without external mux. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main board controlling motor drive, water valves, display, and user interface. IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor control, touch-key scanning, buzzer output, and fault monitoring. Use Value: On-chip key interrupt and buzzer controller reduce BOM count; 16× 16-bit timers enable precise motor phase timing and UI debouncing. |
Use Scenario: HVAC zone controller with temperature/humidity sensing, relay actuation, and Modbus RTU communication. IC Role / Device Role / Timing Role: Field controller managing analog sensor inputs, digital I/O expansion, and isolated RS-485 transceiver interface. Use Value: 1.6–5.5 V operation allows direct connection to 3.3 V or 5 V field bus supplies; N-ch open-drain I/O supports 6 V tolerant relay drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GCAFB#10 | Same package and pinout; 32 KB flash, 4 KB data flash, 2 KB RAM | Reduced memory footprint suits simpler control tasks (e.g., basic timer-based appliances) | Select when firmware size <24 KB and no BGO data logging is required |
| R5F101GEAFB#10 | Same package and pinout; 64 KB flash, 4 KB data flash, 3 KB RAM, 26-channel ADC | Identical flash/ADC but 1 KB less RAM; suitable where SRAM usage ≤2.5 KB | Choose for cost-sensitive designs where RAM headroom is verified below 3 KB |
Compared with R5F101GDAFB#10, R5F101GCAFB#10 offers lower memory capacity for reduced cost in simpler applications, while R5F101GEAFB#10 trades 1 KB RAM for identical flash and ADC - enabling optimization of BOM cost without altering PCB layout or peripheral configuration.
Availability
R5F101GDAFB#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, home appliance controllers, and building automation panels requiring stable component supply across extended product lifecycles.
Supply support for R5F101GDAFB#10 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 industrial, automotive, and enterprise markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - delivering high integration, robust peripheral sets, and long-term supply assurance for industrial and consumer equipment.
FAQ
What is the maximum operating frequency of the R5F101GDAFB#10?
The R5F101GDAFB#10 supports up to 32 MHz operation using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and −20 to +85°C. Its minimum instruction execution time is 0.03125 μs at this frequency, delivering 41 DMIPS performance per the RL78/G13 datasheet Rev.3.80.
Does the R5F101GDAFB#10 include an integrated real-time clock (RTC)?
Yes, the R5F101GDAFB#10 includes a fully featured RTC with calendar function covering 99 years, alarm capability, and clock correction - implemented with dedicated circuitry and operable in STOP mode with only RTC and LVD active at 0.57 μA.
Is the R5F101GDAFB#10 pin-compatible with other RL78/G13 48-pin variants?
Yes, all RL78/G13 48-pin LFQFP variants - including R5F101GDAFB#10, R5F101GCAFB#10, and R5F101GEAFB#10 - share identical pinout and package dimensions (PLQP0048KF-A), enabling hardware reuse across memory-variant designs.
What debugging interface does the R5F101GDAFB#10 support?
The R5F101GDAFB#10 supports on-chip debug via the TOOL interface using pins P11 (TOOLRxD) and P12 (TOOLTxD), compatible with Renesas E2 emulator and E2 studio IDE. No external JTAG adapter is required for full flash programming and real-time debugging.
How many analog input channels does the R5F101GDAFB#10 provide?
The R5F101GDAFB#10 provides 26 analog input channels for its 10-bit ADC, with dedicated AVREFP/AVREFM pins enabling flexible reference configuration. Internal temperature sensor and 1.45 V reference voltage are also accessible through the same ADC subsystem.
R5F101GDAFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K 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:
R5F101GDAFB#10 FAQ
1.How can I place an order for R5F101GDAFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GDAFB#10 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 R5F101GDAFB#10 reliable?
The price and inventory of R5F101GDAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GDAFB#10 is usually 5 days.
3.What payment methods are accepted for R5F101GDAFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GDAFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GDAFB#10?
R5F101GDAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GDAFB#10 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 R5F101GDAFB#10?
For technical support, including R5F101GDAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GDAFB#10 requirements.
6.How does Aetrix verify that R5F101GDAFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F101GDAFB#10 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 R5F101GDAFB#10 meets industry standards.
7.What is the process for return or replacement of R5F101GDAFB#10?
All R5F101GDAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GDAFB#10, 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 R5F101GDAFB#10 part is unused and in its original packaging.
Return procedure for R5F101GDAFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F101GDAFB#10 Tags
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