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Renesas R5F101EGANA#U0
- Part No.:
- R5F101EGANA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R5F101EGANA#U0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 40HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,358
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Product details
Overview
R5F101EGANA#U0 from Renesas is a 40-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, and 4 KB RAM, operating from 1.6–5.5 V at up to 32 MHz (41 DMIPS), optimized for ultra-low-power industrial control applications including sensor nodes and battery-powered HMI.
For engineers reviewing the R5F101EGANA#U0 datasheet, R5F101EGANA#U0 pinout, R5F101EGANA#U0 application, or R5F101EGANA#U0 equivalent, key selection criteria include its 0.57 μA STOP-mode current, integrated RTC + LVD, 10-bit 26-channel ADC, and hardware UART/SPI/I²C interfaces supporting LIN-bus and background data flash rewriting.
Technical Context
The R5F101EGANA#U0 implements the RL78 CPU core with 3-stage pipeline, configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz), and 1 MB address space. It supports HALT, STOP, and SNOOZE low-power modes with on-chip POR and 14-level LVD.
It integrates a 16-bit timer array (up to 16 channels), real-time clock with calendar/alarm/correction, watchdog timer, DMA controller (2/4 channels), 16×16/32÷32 multiplier/divider, and 3–10-channel I²C/SPI/UART peripherals - all operating across –40°C to +85°C ambient temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS); high-speed on-chip oscillator ±1.0% accuracy |
| Memory Configuration | 64 KB code flash, 4 KB data flash (1M rewrite cycles), 4 KB RAM |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit ADC with 26 input channels, internal 1.45 V reference, and temperature sensor |
| Digital Interfaces | Up to 4 UART/LIN, 8 CSI (SPI-compatible), 10 I²C/Simplified I²C channels |
| Operating Voltage & Temp | 1.6–5.5 V supply; –40°C to +85°C industrial-grade operation |
Pinout & Package
Package: 40-pin HWQFN (6 × 6 mm, 0.5-mm pitch), moisture-sensitive level 3, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support mixed-voltage I/O (1.8/2.5/3.0 V interface capability) |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P43 | General-purpose I/O ports | Up to 39 programmable pins with N-ch open-drain, TTL input, and pull-up options |
| P20/ANI0/AVREFP, P21/ANI1/AVREFM | Analog input / reference voltage | Dedicated ADC reference inputs enabling ratiometric measurement stability |
| P10/SCK00/SCL00, P11/SI00/RxD0/TOOLRxD/SDA00 | Serial interface multiplexing | Shared pins support SPI master/slave, I²C master/slave, and UART debug communication |
| RESET, NMIX | Reset and NMI inputs | Asynchronous reset with on-chip POR; dedicated NMI for critical fault handling |
Key Features
| Feature | Design Value |
|---|---|
| Self-programming flash | Boot swap and flash shield window enable secure firmware updates without external programmer |
| Background data flash rewrite | Execute code from program memory while rewriting 4 KB data flash - no execution stall |
| Real-time clock (RTC) | Full calendar (99-year range), alarm, and auto-correction eliminate need for external RTC IC |
| Low-power SNOOZE mode | Peripherals remain active (e.g., UART receive, ADC trigger) while CPU sleeps - ideal for event-driven sensing |
| Hardware LIN support | UART peripheral includes automatic sync-break detection and checksum generation per LIN 2.x spec |
| On-chip temperature sensor | Calibrated sensor usable for thermal monitoring or system compensation without external components |
Applications
| Industrial Sensor Node | Smart Thermostat Control |
|---|---|
Use Scenario: Battery-powered wireless temperature/humidity/pressure node with BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, data preprocessing, low-power scheduling, and UART-to-BLE bridge timing. Use Value: 0.57 μA STOP current extends 2-AA battery life beyond 5 years; integrated RTC enables precise wake-up intervals for periodic sampling. |
Use Scenario: Residential HVAC controller with touch HMI, relay drivers, and environmental feedback loop. IC Role / Device Role / Timing Role: Central MCU coordinating display refresh, button scan, PID heating control, and I²C-connected ambient sensors. Use Value: 26-channel 10-bit ADC directly digitizes thermistor, CO₂, and humidity signals; hardware UART/LIN simplifies communication with HVAC subsystems. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter Front-End |
Use Scenario: DIN-rail mounted digital I/O expansion module with opto-isolated inputs/outputs and RS-485 fieldbus. IC Role / Device Role / Timing Role: Real-time I/O state manager with deterministic response to input transitions and output update timing. Use Value: 16-bit timer array provides precise PWM for LED status indicators and pulse-width modulation of solid-state relays; DMA reduces CPU load during serial comms. |
Use Scenario: Class 0.5S electricity meter front-end acquiring voltage/current waveforms via sigma-delta ADC interface. IC Role / Device Role / Timing Role: System supervisor handling calibration storage, tamper detection, RTC timestamping, and secure firmware boot. Use Value: 4 KB data flash with 1M rewrite cycles stores metrology calibration coefficients and event logs; LVD interrupt triggers graceful shutdown during brownout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100EGANA#U0 | Includes 4 KB data flash; same package, pinout, and peripherals but adds data flash functionality | Required where nonvolatile parameter storage (e.g., calibration, configuration) is needed alongside code flash | Select when data logging or field-updatable settings are mandatory |
| RL78/G14 R5F104BGANA#U0 | Higher performance (48 MHz, 62 DMIPS), larger memory (128 KB flash/12 KB RAM), enhanced peripheral set (more timers, CAN) | Suitable for more complex control loops, motor control, or multi-protocol gateways requiring CAN or higher throughput | Choose when scaling beyond R5F101EGANA#U0's 64 KB flash or needing CAN interface |
Compared with R5F100EGANA#U0, the R5F101EGANA#U0 omits data flash to reduce cost and die size while retaining identical code flash, RAM, peripherals, and low-power features - making it optimal for fixed-function firmware. Compared with RL78/G14, it trades higher clock speed and CAN for lower power and smaller footprint in cost-sensitive industrial endpoints.
Availability
R5F101EGANA#U0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, PLC I/O modules, and energy meter front-ends requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for R5F101EGANA#U0 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 general-purpose embedded applications - delivering robust integration, certified functional safety support (IEC 61508 SIL2), and simplified development for industrial control and sensing.
FAQ
What is the maximum operating frequency and associated DMIPS rating for the R5F101EGANA#U0?
The R5F101EGANA#U0 operates at up to 32 MHz using its high-accuracy on-chip oscillator and delivers 41 DMIPS of processing performance. This benchmark reflects its RL78 CPU core efficiency with 3-stage pipeline execution and is measured under standard conditions (VDD = 3.3 V, TA = 25°C). The R5F101EGANA#U0 maintains this performance across its full 1.6–5.5 V supply range and industrial temperature grade.
Does the R5F101EGANA#U0 include data flash memory, and what is its endurance specification?
No, the R5F101EGANA#U0 does not include data flash memory - it is part of the "101" series variant explicitly defined in the RL78/G13 datasheet as having no data flash. In contrast, "100" series parts (e.g., R5F100EGANA#U0) integrate 4 KB of data flash rated for 1,000,000 write/erase cycles. The R5F101EGANA#U0 retains 64 KB of code flash with self-programming capability but relies on external EEPROM or FRAM for persistent parameter storage.
What low-power modes are supported by the R5F101EGANA#U0, and what is its lowest achievable current draw?
The R5F101EGANA#U0 supports HALT, STOP, and SNOOZE low-power modes. Its lowest operational current is 0.57 μA in STOP mode with only the real-time clock (RTC) and low-voltage detector (LVD) active - verified at VDD = 3.0 V and TA = 25°C. This ultra-low quiescent current enables multi-year battery life in intermittent-sensing applications, and wake-up from STOP is possible via RTC alarm, external interrupt, or serial reception.
Which serial communication interfaces are available on the R5F101EGANA#U0, and does it support LIN bus protocol?
The R5F101EGANA#U0 integrates up to 4 UART channels, 8 CSI (SPI-compatible) channels, and up to 10 I²C/Simplified I²C channels. UART peripherals include hardware support for LIN 2.x protocol - specifically sync-break detection, checksum generation, and identifier filtering - enabling direct connection to automotive and industrial LIN networks without external transceivers or software overhead.
What is the ADC resolution, channel count, and key analog features of the R5F101EGANA#U0?
The R5F101EGANA#U0 features a 10-bit successive-approximation ADC with up to 26 analog input channels. It includes an internal 1.45 V reference voltage (AVREFP/AVREFM), selectable sample-and-hold timing, and an integrated temperature sensor calibrated across the industrial temperature range. These features allow direct ratiometric measurements and system-level thermal monitoring without external components.
R5F101EGANA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- 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:
- 28
- 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 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101EGANA#U0 FAQ
1.How can I place an order for R5F101EGANA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101EGANA#U0 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 R5F101EGANA#U0 reliable?
The price and inventory of R5F101EGANA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101EGANA#U0 is usually 5 days.
3.What payment methods are accepted for R5F101EGANA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101EGANA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101EGANA#U0?
R5F101EGANA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101EGANA#U0 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 R5F101EGANA#U0?
For technical support, including R5F101EGANA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101EGANA#U0 requirements.
6.How does Aetrix verify that R5F101EGANA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F101EGANA#U0 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 R5F101EGANA#U0 meets industry standards.
7.What is the process for return or replacement of R5F101EGANA#U0?
All R5F101EGANA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101EGANA#U0, 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 R5F101EGANA#U0 part is unused and in its original packaging.
Return procedure for R5F101EGANA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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