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Renesas R5F101GLAFB#V0
- Part No.:
- R5F101GLAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GLAFB#V0.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,889
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Product details
Overview
R5F101GLAFB#V0 from Renesas is a 48-pin LFQFP, 0.5-mm pitch, industrial-grade RL78/G13 16-bit microcontroller with 128 KB flash memory, 8 KB data flash, 12 KB RAM, and operation up to 32 MHz delivering 41 DMIPS. It integrates RTC, 10-bit ADC (26 channels), UART/LIN, I²C, CSI, 16-bit timers, and ultra-low-power modes (0.57 μA in STOP with RTC+LVD) for battery-powered sensor nodes and industrial control interfaces.
For engineers reviewing the R5F101GLAFB#V0 datasheet, R5F101GLAFB#V0 pinout, R5F101GLAFB#V0 application, or R5F101GLAFB#V0 equivalent, key selection criteria include its 128 KB code flash with self-programming, 12 KB RAM for real-time control stacks, -40°C to +105°C industrial temperature rating, and integrated LIN physical layer support for automotive body electronics.
Technical Context
The R5F101GLAFB#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 ultra-low-speed mode). Its memory subsystem includes 128 KB on-chip flash with 1 KB block erase, 8 KB data flash with background operation (BGO), and 12 KB RAM - all accessible under single 1.6–5.5 V supply.
Peripheral integration includes dual DMA channels, 16-bit timer array (12 channels), real-time clock with calendar/alarm, watchdog timer, 10-bit ADC with internal 1.45 V reference and temperature sensor, and serial interfaces: up to 8 CSI, 4 UART/LIN, and 10 I²C channels - configured via dedicated SFRs and interrupt vectors mapped to fixed vector table locations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 128 KB code flash with 1 KB erase blocks, security lock, and boot swap function |
| Data Flash | 8 KB with background operation (BGO), 1M write cycles, 1.8–5.5 V rewrite voltage |
| RAM | 12 KB on-chip SRAM, including dedicated areas for flash library use (FF300H start) |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE for low-latency wake-up |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference, integrated temperature sensor |
| Operating Temp | -40°C to +105°C (Industrial G-grade), 1.6–5.5 V single-supply operation |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; supports key interrupt |
| P10–P17 | Port 1 bidirectional I/O | Includes SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00 - enables dual SPI/I²C master/slave operation |
| P20–P27 | Port 2 analog/digital I/O | ANI0–ANI7 inputs, AVREFP/AVREFM references, supports 10-bit ADC with internal temp sensor |
| P30–P37 | Port 3 bidirectional I/O | Includes TO00–TO03, TIOA00–TIOA03 - connects to 16-bit timer array for PWM/capture |
| VDD, VSS | Power supply pins | Single 1.6–5.5 V rail; VSS provides analog/digital ground separation point per layout guidelines |
| RESET | Active-low reset input | Accepts external reset; internally tied to on-chip POR and LVD with 14-level selectable threshold |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw while maintaining RTC calendar, alarm, and LVD monitoring - enables >10-year coin-cell operation |
| Self-programmable flash | On-the-fly reprogramming of code/data flash with boot swap and flash shield window - supports field firmware updates without external programmer |
| LIN physical layer support | UART peripheral configurable for LIN 2.2A compliance (break detection, sync field, checksum) - eliminates need for external transceiver in body control modules |
| Background data flash writes | Execute application code from flash while rewriting data flash - enables logging or parameter storage without interrupting real-time control loops |
| DMA-accelerated peripherals | 2-channel DMA transfers between SFRs and RAM in 2 clocks per 8/16-bit word - reduces CPU load for ADC sampling or UART buffering |
Applications
| Smart Sensor Node | Automotive Body Control |
|---|---|
Use Scenario: Battery-powered environmental monitor with temperature/humidity sensing, BLE gateway interface, and local data logging. IC Role / Device Role / Timing Role: Main system controller managing ADC acquisition, RTC-timed sampling intervals, data flash logging, and low-power state transitions. Use Value: 0.57 μA STOP mode extends CR2032 life beyond 5 years; integrated temperature sensor eliminates external component; LIN-ready UART simplifies future vehicle integration. |
Use Scenario: Door module controlling window lift, mirror fold, interior lighting, and LIN-connected switches/sensors. IC Role / Device Role / Timing Role: LIN slave node processor handling protocol framing, PWM motor control, and GPIO-based switch debouncing with precise timing. Use Value: Native LIN PHY support reduces BOM cost vs. discrete transceiver; 128 KB flash accommodates multi-variant firmware; -40°C to +105°C rating ensures under-hood reliability. |
| Industrial HMI Panel | Energy Meter Interface |
Use Scenario: Local operator panel with capacitive touch overlay, LCD driver, pushbutton inputs, and RS-485 backhaul. IC Role / Device Role / Timing Role: Human-machine interface controller managing touch scan, display refresh timing, button polling, and serial communication stack. Use Value: 26-channel ADC supports multi-point touch calibration; 12 KB RAM hosts GUI frame buffer and event queue; multiple UART/CSI channels enable concurrent display and comms. |
Use Scenario: Smart electricity meter front-end collecting voltage/current samples via isolated sigma-delta ADC, calculating kWh, and reporting via PLC or RF. IC Role / Device Role / Timing Role: Real-time metering co-processor handling time-synchronized sampling, RTC-based billing intervals, and secure data flash storage of tariff logs. Use Value: RTC calendar with ±1 ppm correction supports accurate time-of-use billing; 8 KB data flash stores 36 months of tamper-proof consumption history; 1.6 V min operating voltage ensures brownout resilience. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GLAFP#V0 | Same core, memory, and peripherals but in 48-pin LQFP (0.65 mm pitch); larger footprint, lower assembly density | Suitable where legacy LQFP tooling exists or thermal dissipation requirements exceed LFQFP capability | Select when board rework tolerance favors standard pitch or thermal margin >2°C is required over LFQFP |
| R5F100GLAFB#V0 | Identical package and pinout but includes 8 KB data flash - R5F101GLAFB#V0 omits data flash entirely | Preferred where firmware update flexibility and nonvolatile parameter storage are unnecessary | Choose R5F101GLAFB#V0 to reduce cost and simplify qualification when data flash functionality is unused |
Compared with R5F101GLAFP#V0, the R5F101GLAFB#V0 offers higher PCB component density and improved thermal performance in compact designs; compared with R5F100GLAFB#V0, it trades data flash capability for lower unit cost and simplified flash management in fixed-function deployments.
Availability
R5F101GLAFB#V0 is available at Aetrix Electronics and suitable for industrial automation controllers, automotive body electronics, and smart energy metering systems requiring stable component supply across extended product lifecycles.
Supply support for R5F101GLAFB#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 delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications - balancing performance, integration, and energy efficiency in a scalable platform.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F101GLAFB#V0?
The R5F101GLAFB#V0 operates at up to 32 MHz with a measured performance of 41 DMIPS. This rating is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator calibrated to ±1.0% accuracy across 1.8–5.5 V and -40°C to +85°C ambient conditions. The R5F101GLAFB#V0 maintains full peripheral functionality at this speed, including ADC sampling and UART transmission.
Does the R5F101GLAFB#V0 include data flash memory, and what are its endurance specifications?
No, the R5F101GLAFB#V0 does not include data flash memory - this is indicated by the "101" prefix in the part number per Renesas' naming convention (where "100" denotes data flash presence). The R5F101GLAFB#V0 relies solely on its 128 KB code flash for program storage and uses SRAM for runtime variables. For data logging, external EEPROM or FRAM must be interfaced via I²C or CSI.
What packaging and lead pitch does the R5F101GLAFB#V0 use, and is it RoHS compliant?
The R5F101GLAFB#V0 uses a 48-pin LFQFP package with 0.5 mm lead pitch and 7 mm × 7 mm body size, identified by the "FB" suffix and "#V0" tray packaging code. It is fully RoHS compliant and rated MSL3 per J-STD-020. The fine-pitch design supports high-density PCB layouts while maintaining compatibility with standard QFP reflow profiles and automated optical inspection.
Can the R5F101GLAFB#V0 operate across the full industrial temperature range, and what grade does it carry?
Yes, the R5F101GLAFB#V0 is rated for -40°C to +105°C operation and carries the "G" grade designation per Renesas' part numbering system - confirming qualification for industrial applications. This rating applies across the full 1.6–5.5 V supply range and includes guaranteed timing, ADC accuracy, and flash retention performance under extended thermal stress per JEDEC JESD22-A108.
Which serial communication interfaces are supported on the R5F101GLAFB#V0, and how many channels are available?
The R5F101GLAFB#V0 supports three serial interface types: CSI (Simplified SPI) with up to 8 channels, UART/LIN with up to 4 channels (all LIN 2.2A-compliant), and I²C/Simplified I²C with up to 10 channels. Channel count depends on pin multiplexing - for example, P10/P11 support SCK00/SDA00 for I²C and SCK00/RxD0 for UART simultaneously, enabling concurrent bus operation without software arbitration.
R5F101GLAFB#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:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
R5F101GLAFB#V0 FAQ
1.How can I place an order for R5F101GLAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GLAFB#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 R5F101GLAFB#V0 reliable?
The price and inventory of R5F101GLAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GLAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101GLAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GLAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GLAFB#V0?
R5F101GLAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GLAFB#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 R5F101GLAFB#V0?
For technical support, including R5F101GLAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GLAFB#V0 requirements.
6.How does Aetrix verify that R5F101GLAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101GLAFB#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 R5F101GLAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101GLAFB#V0?
All R5F101GLAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GLAFB#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 R5F101GLAFB#V0 part is unused and in its original packaging.
Return procedure for R5F101GLAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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