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Renesas R5F101GAAFB#X0
- Part No.:
- R5F101GAAFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GAAFB#X0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,146
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Product details
Overview
R5F101GAAFB#X0 from Renesas is a 48-pin LFQFP-0.5mm-pitch 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 at up to 32 MHz (41 DMIPS), targeting ultra-low-power industrial control applications including sensor nodes and battery-powered HMI.
For engineers reviewing the R5F101GAAFB#X0 datasheet, R5F101GAAFB#X0 pinout, R5F101GAAFB#X0 application, or R5F101GAAFB#X0 equivalent, key selection criteria include its -40°C to +105°C industrial temperature grade (G-suffix), integrated RTC with calendar/alarm, 10-bit 26-channel ADC, and hardware UART/SPI/I²C interfaces for embedded connectivity.
Technical Context
The R5F101GAAFB#X0 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). It integrates a 12-bit interval timer, real-time clock with 99-year calendar and clock correction, and watchdog timer with dedicated low-speed oscillator.
Power management includes HALT, STOP, and SNOOZE modes achieving 66 μA/MHz active current and 0.57 μA RTC+LVD retention current. Memory subsystem comprises 128 KB on-chip code flash (1 KB block size), 8 KB SRAM, and no data flash - distinguishing it from R5F100x variants which include 4–8 KB data flash.
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 (41 DMIPS), with selectable high-speed on-chip oscillator ±1.0% accuracy |
| Memory Configuration | 128 KB code flash (no data flash), 8 KB RAM, 1 KB flash block size |
| Supply Voltage Range | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.0 V peripherals |
| Temperature Grade | Industrial: -40°C to +105°C (G-suffix), qualified for extended thermal environments |
| Analog Peripherals | 10-bit 26-channel ADC with internal 1.45 V reference and temperature sensor |
| Serial Interfaces | Up to 8 CSI (SPI-compatible), 4 UART/LIN, and 10 I²C channels - supports multi-protocol sensor hub design |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support independent analog/digital supply routing and noise isolation |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57 | General-purpose I/O ports | Up to 38 programmable pins with N-ch open-drain, TTL input, and pull-up options; supports different-potential interfacing |
| P20/ANI0/AVREFP, P21/ANI1/AVREFM | Analog input / reference voltage | Dedicated AVREFP/AVREFM pins enable precise ratiometric ADC measurements with external reference |
| P10/SCK00/SCL00, P11/SI00/RxD0 | Serial interface multiplexing | Shared pins support CSI (SPI), I²C, and UART - require software-configurable peripheral mapping |
| RESET, NMIX | Reset and NMI inputs | On-chip POR and LVD with 14-level selectable reset threshold; NMIX enables external non-maskable interrupt |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 66 μA/MHz active current and 0.57 μA RTC+LVD retention mode extend battery life in always-on sensor nodes |
| Integrated real-time clock | Hardware RTC with calendar (99 years), alarm, and clock correction eliminates need for external timekeeping IC |
| Self-programming capability | Flash shield window and boot swap function enable secure firmware updates without external programmer |
| Multi-protocol serial support | Simultaneous CSI, UART/LIN, and I²C channels allow consolidated communication stack for mixed-interface sensor networks |
| On-chip debug interface | Fully integrated on-chip debug circuit supports full-speed background debugging via single-wire SWD |
Applications
| Smart Sensor Node | Industrial HMI Panel |
|---|---|
Use Scenario: Battery-powered environmental monitoring node measuring temperature, humidity, and CO₂ with wireless telemetry. IC Role / Device Role / Timing Role: Main system controller executing sensor acquisition, calibration, low-power scheduling, and UART-to-LoRaWAN protocol bridging. Use Value: 0.57 μA RTC+LVD retention mode enables multi-year battery life; integrated 10-bit ADC and temperature sensor reduce BOM count by two components. | Use Scenario: Touch-enabled local operator interface for PLC-controlled HVAC systems in factory environments. IC Role / Device Role / Timing Role: UI processor managing capacitive touch decoding, display refresh, button polling, and RS-485 Modbus RTU communication. Use Value: -40°C to +105°C rating ensures reliability in uncontrolled industrial enclosures; 38 GPIOs support direct matrix keypad and LED driver control. |
| Energy Metering Subsystem | Appliance Motor Control |
Use Scenario: Secondary metering module in smart electricity meters performing auxiliary load profiling and tamper detection. IC Role / Device Role / Timing Role: Dedicated metering co-processor handling pulse counting, event logging, and secure time-stamped data storage. Use Value: Hardware RTC with calendar and alarm enables accurate billing cycle alignment; 128 KB flash accommodates dual firmware images for field upgrades. | Use Scenario: Fan or pump motor supervisory unit in white goods, monitoring speed, temperature, and fault conditions. IC Role / Device Role / Timing Role: Safety monitor interfacing with main MCU via UART, reading hall-effect sensors and thermistors, triggering shutdown on overtemperature. Use Value: On-chip LVD with 14-level threshold allows precise brown-out detection across wide input voltage range; STOP mode reduces standby power to <1 μA. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GAAFB#X0 | Includes 4 KB data flash; same package, pinout, and core; differs only in data flash presence | Required where EEPROM-like parameter storage (e.g., calibration data, device ID) must survive power loss | Select R5F100GAAFB#X0 if non-volatile parameter storage is needed; otherwise R5F101GAAFB#X0 reduces cost and simplifies flash management |
| R5F101GAGFB#X0 | Same 128 KB flash, 8 KB RAM, no data flash, but in 48-pin WFLGA (3 mm × 3 mm) package | Suitable for space-constrained PCBs where footprint reduction outweighs rework for QFN assembly | Choose R5F101GAGFB#X0 only when board area is critical and WFLGA assembly capability exists |
Compared with R5F100GAAFB#X0, the R5F101GAAFB#X0 eliminates data flash to lower cost and simplify firmware design for applications that store configuration externally or in code flash; versus R5F101GAGFB#X0, it trades compact WFLGA for standard LFQFP manufacturability and thermal performance.
Availability
R5F101GAAFB#X0 is available at Aetrix Electronics and suitable for industrial automation, smart metering, and battery-powered sensor applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F101GAAFB#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 delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications demanding robust operation from -40°C to +105°C with minimal external components.
FAQ
What is the maximum operating frequency and performance of the R5F101GAAFB#X0?
The R5F101GAAFB#X0 operates at up to 32 MHz with a peak performance of 41 DMIPS. Its RL78 CPU core achieves this using a 3-stage pipeline CISC architecture and a high-accuracy ±1.0% on-chip oscillator. The minimum instruction execution time varies from 0.03125 μs (at 32 MHz) to 30.5 μs (at 32.768 kHz), enabling dynamic clock scaling for optimal power/performance trade-offs in the R5F101GAAFB#X0.
Does the R5F101GAAFB#X0 include data flash memory?
No, the R5F101GAAFB#X0 does not include data flash memory. As indicated by the "101" prefix in its part number (per Renesas RL78/G13 documentation), it provides 128 KB of code flash and 8 KB of RAM but omits the 4–8 KB data flash found in "100"-series variants like R5F100GAAFB#X0. This makes the R5F101GAAFB#X0 suitable for applications storing configuration in external EEPROM or using code flash for parameter storage.
What is the operating temperature range supported by the R5F101GAAFB#X0?
The R5F101GAAFB#X0 is rated for industrial operation from -40°C to +105°C, denoted by the "G" suffix in its part number. This extended temperature grade qualifies the R5F101GAAFB#X0 for deployment in harsh environments such as factory floors, outdoor metering equipment, and under-hood automotive ancillary systems where ambient temperatures exceed standard commercial-grade limits.
Which serial communication interfaces are available on the R5F101GAAFB#X0?
The R5F101GAAFB#X0 supports up to 8 CSI (SPI-compatible) channels, 4 UART/LIN channels (with LIN bus support), and 10 I²C/Simplified I²C channels. These interfaces are multiplexed across GPIO pins and configurable via software, allowing flexible allocation for sensor networks, display interfaces, and industrial fieldbus gateways in the R5F101GAAFB#X0.
How does the R5F101GAAFB#X0 achieve ultra-low-power operation?
The R5F101GAAFB#X0 achieves ultra-low-power operation through multiple hardware features: HALT mode (66 μA/MHz), STOP mode (0.57 μA with RTC + LVD active), and SNOOZE mode for low-latency peripheral wake-up. Its on-chip power-on-reset (POR) and 14-level voltage detector (LVD) further enhance reliability in brown-out conditions - all contributing to energy-efficient operation in the R5F101GAAFB#X0.
R5F101GAAFB#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:
R5F101GAAFB#X0 FAQ
1.How can I place an order for R5F101GAAFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GAAFB#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 R5F101GAAFB#X0 reliable?
The price and inventory of R5F101GAAFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GAAFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F101GAAFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GAAFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GAAFB#X0?
R5F101GAAFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GAAFB#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 R5F101GAAFB#X0?
For technical support, including R5F101GAAFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GAAFB#X0 requirements.
6.How does Aetrix verify that R5F101GAAFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F101GAAFB#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 R5F101GAAFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F101GAAFB#X0?
All R5F101GAAFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GAAFB#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 R5F101GAAFB#X0 part is unused and in its original packaging.
Return procedure for R5F101GAAFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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