Renesas R5F101ECANA#U0
- Part No.:
- R5F101ECANA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R5F101ECANA#U0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 40HWQFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,800
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Product details
Overview
R5F101ECANA#U0 from Renesas is a 40-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 2 KB RAM, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode), designed for battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F101ECANA#U0 datasheet, R5F101ECANA#U0 pinout, R5F101ECANA#U0 application, or R5F101ECANA#U0 equivalent, key selection criteria include its 40-pin HWQFN-0.5mm pitch package, absence of on-chip data flash (R5F101x series), -40°C to +85°C industrial temperature grade, and integrated 10-bit ADC with 16 analog inputs.
Technical Context
The R5F101ECANA#U0 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 1 MB address space with four 8-bit register banks. It integrates a high-accuracy ±1.0% on-chip oscillator selectable from 1–32 MHz.
It includes 8-channel 16-bit timers, one 12-bit interval timer, a calendar-capable real-time clock with alarm and correction, and a watchdog timer operable from the dedicated low-speed on-chip oscillator. Serial interfaces comprise up to 8 CSI channels, 4 UART/LIN channels, and 10 I²C/Simplified I²C channels.
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 (1 KB block size); no on-chip data flash (R5F101x series) |
| RAM | 2 KB on-chip RAM, including dedicated areas for flash library operations |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC | 10-bit resolution, 16-channel analog input, internal 1.45 V reference and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V single-supply operation across full temperature range |
| Temperature Range | -40°C to +85°C (industrial-grade D-specification) |
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 |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Primary SPI clock or I²C SCL signal; supports master/slave modes and multi-drop I²C |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input/Receive | UART receive, SPI input, I²C SDA, or debug interface input - multiplexed for flexible peripheral routing |
| P12/SO00/TxD0/TOOLTxD | Serial Data Output/Transmit | UART transmit or SPI output; enables bootloader communication and tool-based firmware updates |
| P13/INTP0/ANI3 | Interrupt Input / Analog Input | Dual-function pin supporting external interrupt triggering or 10-bit ADC channel 3 input |
| P20/ANI0/AVREFP | Analog Reference Positive | ADC positive reference voltage input or analog channel 0; allows external precision reference or internal use |
| P21/ANI1/AVREFM | Analog Reference Negative | ADC negative reference input or analog channel 1; used with P20 to define differential measurement range |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active - enables >10-year battery life in metering applications |
| Self-programmable flash | Supports in-application reprogramming with boot swap and flash shield window security |
| Hardware DMA controller | 2-channel DMA enabling zero-CPU-overhead transfers between peripherals and RAM |
| Integrated LIN support | UART peripheral configurable for LIN 2.2 protocol - eliminates need for external transceiver in automotive body modules |
| On-chip temperature sensor | Calibrated sensor usable for system thermal monitoring without external components |
Applications
| Smart Energy Meters | Industrial Sensor Nodes |
|---|---|
|
Use Scenario: Solid-state electricity meters requiring long-life battery backup and tamper-resistant firmware updates. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, LCD display, secure firmware updates, and real-time tariff calculation. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 12 years; flash shield window prevents unauthorized firmware modification. |
Use Scenario: Wireless vibration or temperature sensors deployed in factory automation environments. IC Role / Device Role / Timing Role: Edge-processing node performing local FFT analysis, threshold-triggered wake-up, and low-power BLE packet formatting. Use Value: 66 μA/MHz active current minimizes energy per inference cycle; HALT mode reduces wake latency to <1 μs for event-driven sensing. |
| Home Appliance Control | Building Automation Controllers |
|
Use Scenario: MCU in HVAC control boards managing fan speed, temperature feedback, and user interface. IC Role / Device Role / Timing Role: Real-time motor control supervisor with PWM generation, ADC-based thermistor reading, and touch-key scanning. Use Value: Integrated 16-bit timers with dead-time insertion simplify brushless DC motor drive; on-chip key interrupt reduces GPIO count and firmware overhead. |
Use Scenario: DIN-rail mounted controllers for lighting, blinds, and environmental monitoring in commercial buildings. IC Role / Device Role / Timing Role: Central coordinator interfacing with DALI, KNX, or Modbus RTU field buses via UART and isolated RS-485 transceivers. Use Value: Four UART channels enable concurrent DALI commissioning, Modbus polling, and debug logging; 1.6–5.5 V operation tolerates wide supply fluctuations in legacy wiring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100ECANA#U0 | Includes 4 KB data flash; same 64 KB code flash, 2 KB RAM, and identical pinout/package | Required where background data logging or parameter storage during code execution is needed | Select when non-volatile parameter retention without flash erase cycles is critical |
| RL78/G14 R5F104BAANA#U0 | Higher performance (48 MHz max), 128 KB flash, 12 KB RAM, enhanced ADC (12-bit, 26 ch), but larger 48-pin HWQFN package | Suitable for applications needing more memory, higher throughput, or richer analog front-end | Choose when migrating from G13 to G14 for scalability; requires PCB layout change due to pin count and pitch differences |
Compared with R5F100ECANA#U0, the R5F101ECANA#U0 trades data flash capability for simplified flash management and lower cost, while compared with RL78/G14, it offers footprint compatibility and power efficiency at the expense of memory headroom and ADC resolution - making it optimal for cost- and size-constrained industrial endpoints.
Availability
R5F101ECANA#U0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, and home appliance control requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F101ECANA#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 industrial, automotive, and enterprise markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, integration, and energy efficiency for battery-operated and energy-harvesting systems.
FAQ
Does R5F101ECANA#U0 include on-chip data flash memory?
No, the R5F101ECANA#U0 does not include on-chip data flash memory. The "101" in the part number explicitly denotes the absence of data flash, distinguishing it from the "100" series (e.g., R5F100ECANA#U0) which provides 4 KB. All flash resources are allocated to code storage only in the R5F101ECANA#U0.
What is the operating temperature range for R5F101ECANA#U0?
The R5F101ECANA#U0 is rated for industrial operation from -40°C to +85°C. This is confirmed by its "D" suffix in the product family designation and aligns with Renesas' specification for RL78/G13 devices marked with D-grade qualification - suitable for factory-floor and outdoor metering deployments.
Which package type and pin count does R5F101ECANA#U0 use?
The R5F101ECANA#U0 uses a 40-pin HWQFN package (6 × 6 mm, 0.5 mm pitch), identified by the "#U0" suffix and "E" in the pin-count field per Renesas' ordering guide. Its RENESAS Code is PWQN0040KC-A, and it is supplied in dry-packed trays compliant with J-STD-020 moisture sensitivity level 3.
Can R5F101ECANA#U0 operate from a 1.8 V supply?
Yes, the R5F101ECANA#U0 supports operation from 1.6 V to 5.5 V, including 1.8 V. At 1.8 V, it delivers full functionality including 10-bit ADC operation, real-time clock, and all serial interfaces - verified across the full -40°C to +85°C temperature range per the RL78/G13 datasheet.
How many analog input channels does R5F101ECANA#U0 support?
The R5F101ECANA#U0 supports up to 16 analog input channels for its 10-bit ADC, as confirmed in the RL78/G13 datasheet section 1.1 Features and validated by its 40-pin HWQFN pinout allocation - including dedicated AVREFP/AVREFM pins and ANI0–ANI15 mappings across port pins P20 through P147.
R5F101ECANA#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:
- 32KB (32K 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 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101ECANA#U0 FAQ
1.How can I place an order for R5F101ECANA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101ECANA#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 R5F101ECANA#U0 reliable?
The price and inventory of R5F101ECANA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101ECANA#U0 is usually 5 days.
3.What payment methods are accepted for R5F101ECANA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101ECANA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101ECANA#U0?
R5F101ECANA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101ECANA#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 R5F101ECANA#U0?
For technical support, including R5F101ECANA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101ECANA#U0 requirements.
6.How does Aetrix verify that R5F101ECANA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F101ECANA#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 R5F101ECANA#U0 meets industry standards.
7.What is the process for return or replacement of R5F101ECANA#U0?
All R5F101ECANA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101ECANA#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 R5F101ECANA#U0 part is unused and in its original packaging.
Return procedure for R5F101ECANA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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