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Renesas R5F104BCANA#W0
- Part No.:
- R5F104BCANA#W0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R5F104BCANA#W0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 32HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,941
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Product details
Overview
R5F104BCANA#W0 from Renesas is a 32-pin HWQFN-packaged RL78/G14 16-bit microcontroller with 16 KB flash, 2.5 KB RAM, and 4 KB data flash, operating from 1.6–5.5 V at -40 to +85°C (A-grade), delivering 44 DMIPS at 32 MHz for ultra-low-power embedded control in battery-powered sensors and industrial HMI.
For engineers reviewing the R5F104BCANA#W0 datasheet, R5F104BCANA#W0 pinout, R5F104BCANA#W0 application, or R5F104BCANA#W0 equivalent, this page delivers verified specifications, package mapping, functional role in real-time control loops, and validated alternative options for cost-optimized or supply-resilient design-in.
Technical Context
The R5F104BCANA#W0 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 integrates a 12-bit interval timer, real-time clock with calendar/alarm, and 8/10-bit A/D converter with up to 20 analog inputs.
It features dual-clock domain operation: high-speed on-chip oscillator (selectable 1–64 MHz, ±1.0% accuracy) and subsystem clock (32.768 kHz), enabling HALT/STOP/SNOOZE low-power modes - including 0.60 μA RTC+LVD operation - alongside background data flash rewriting (BGO) and event-link controller (ELC) for deterministic peripheral triggering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space, 4 register banks |
| Flash Memory | 16 KB code flash (1 KB block size), 4 KB data flash with 1M rewrite cycles |
| RAM | 2.5 KB on-chip RAM, used by flash library starting at FE900H |
| Operating Voltage | 1.6–5.5 V single supply, enabling direct interface with 1.8/2.5/3.3 V peripherals |
| Power Consumption | 66 μA/MHz active; 0.60 μA in STOP mode with RTC + LVD enabled |
| Peripherals | 10-channel 8/10-bit A/D, 2-channel 8-bit D/A, 12-channel 16-bit timers, UART/SPI/I²C, ELC, DTC |
| Package & Pin Count | HWQFN-32 (5 × 5 mm, 0.5 mm pitch), 32-pin footprint with exposed die pad |
Pinout & Package
Package: HWQFN-32 (5 × 5 mm, 0.5 mm pitch), RoHS-compliant, with exposed die pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; 16-bit timer input; trace clock A for debug |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; 16-bit timer output; trace clock B for debug |
| P10–P17 | SPI/I²C/UART/Timer I/O group | Configurable serial interfaces (CSI, UART, I²C) and timer I/O with peripheral I/O redirection |
| P20–P23 | ANI0–ANI3 / AVREFP / AVREFM / ANO0 / ANO1 | Analog input channels with internal reference; dual analog outputs for DAC |
| P30–P31 | INTP3 / RTC1HZ / SCK00 / TI03 / TO03 | RTC interrupt output; SPI clock; 16-bit timer input/output for motor timing |
| P50–P51 | SI00/RxD0/SDA00/TRGIOA & SO00/TxD0/TRGIOB | Dedicated debug UART (TOOLRxD/TOOLTxD) and I²C interface for programming and monitoring |
| RESET | Active-low reset input | Asynchronous reset with internal POR and configurable LVD (14 levels) |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 μF capacitor to VSS for stable internal voltage regulation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.60 μA retention with RTC + LVD active - enables multi-year battery life in sensor nodes |
| Background data flash rewrite | Execute code from flash while rewriting 4 KB data flash - no runtime interruption for firmware updates |
| Event Link Controller (ELC) | Direct hardware linking of 19–26 event sources to peripherals - eliminates CPU overhead in time-critical sequences |
| Self-programming with boot swap | Secure in-field firmware update via flash shield window and boot swap function - prevents corruption during power loss |
| Multi-voltage I/O interface | Supports 1.8/2.5/3.3 V logic levels without level shifters - simplifies mixed-voltage system integration |
Applications
| Smart Sensor Node | Industrial HMI Panel |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor with BLE gateway interface and local logging. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-timed data logging to data flash, and UART-to-BLE bridge. Use Value: 0.60 μA STOP mode extends CR2032 battery life beyond 5 years; BGO enables seamless over-the-air parameter updates. |
Use Scenario: Touch-enabled front-panel controller for HVAC or PLC with LED indicators and button feedback. IC Role / Device Role / Timing Role: Real-time UI processor handling capacitive touch scan, PWM dimming, UART command parsing, and watchdog supervision. Use Value: ELC-triggered timer interrupts synchronize LED fade transitions with touch response; 16 KB flash accommodates GUI state machine + communication stack. |
| Energy Metering Subsystem | Appliance Motor Control |
|
Use Scenario: Secondary MCU in smart meter for tamper detection, pulse counting, and secure data storage. IC Role / Device Role / Timing Role: Dedicated security and logging co-processor interfacing with main metering SoC via UART/I²C. Use Value: Flash security lock prevents unauthorized block erase; 4 KB data flash stores tamper logs with timestamp from integrated RTC. |
Use Scenario: Fan/pump speed controller using hall-effect feedback and PWM-driven MOSFET gate drivers. IC Role / Device Role / Timing Role: Precision timing engine generating synchronized 16-bit PWM outputs and capturing hall sensor edges via TI0x pins. Use Value: 12-channel TAU timers support 3-phase commutation; SNOOZE mode reduces current draw during idle periods without losing timing context. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104BEANA#W0 | 64 KB flash, 5.5 KB RAM, same 32-pin HWQFN package and peripheral set | Supports larger firmware (e.g., Modbus RTU + diagnostics stack) without layout change | Select when future firmware expansion or field-upgrade capability is required |
| R5F104BCAFP#V0 | LQFP-32 (7 × 7 mm, 0.8 mm pitch), identical memory/peripheral spec, same A-grade temp range | Easier hand-soldering and in-circuit debugging; higher thermal resistance than HWQFN | Select for prototyping, low-volume production, or thermal margin prioritization over board area |
Compared with R5F104BCANA#W0, R5F104BEANA#W0 provides 4× more flash for complex protocol stacks while maintaining pin compatibility, whereas R5F104BCAFP#V0 trades compactness for assembly flexibility - both preserve identical peripheral functionality and low-power behavior.
Availability
R5F104BCANA#W0 is available at Aetrix Electronics and suitable for smart sensor nodes, industrial HMI panels, energy metering subsystems, and appliance motor controllers requiring stable component supply across automotive-qualified, industrial, and consumer product lifecycles.
Supply support for R5F104BCANA#W0 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 IoT markets.
The RL78/G14 family targets cost-sensitive, ultra-low-power general-purpose embedded control - optimized for battery-operated devices, sensor hubs, and human-machine interfaces where energy efficiency and code density are critical.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F104BCANA#W0?
The R5F104BCANA#W0 operates up to 32 MHz with a typical active current of 66 μA per MHz at VDD = 3.3 V and TA = 25°C. At full speed, this yields ~2.1 mA total active current, scalable down to 0.60 μA in STOP mode with RTC and LVD active - confirmed in Section 1.1 of R01DS0053EJ0340.
Does the R5F104BCANA#W0 support in-system programming and secure firmware updates?
Yes, the R5F104BCANA#W0 supports full in-system programming via its on-chip debug interface and includes flash security features: block erase prohibition, flash shield window, and boot swap function - all documented in Section 1.1 "Code Flash Memory" of R01DS0053EJ0340.
What are the analog capabilities of the R5F104BCANA#W0, and how many channels are accessible in the 32-pin HWQFN package?
The R5F104BCANA#W0 integrates an 8/10-bit A/D converter with up to 20 input channels and a 2-channel 8-bit D/A converter. In the 32-pin HWQFN package, 8 analog inputs (ANI0–ANI3, ANI16–ANI19) and 2 analog outputs (ANO0, ANO1) are physically routed - per pin configuration diagrams on pages 9 and 12 of R01DS0053EJ0340.
Can the R5F104BCANA#W0 drive standard 5 V logic peripherals directly, or is level-shifting required?
The R5F104BCANA#W0 I/O pins are not 5 V tolerant: absolute maximum rating is VDD + 0.3 V. With VDD = 1.6–5.5 V, it can interface directly with 1.8/2.5/3.3 V peripherals but requires external level-shifting for 5 V systems - confirmed in Section 1.1 "I/O Port" and Absolute Maximum Ratings table of R01DS0053EJ0340.
What debug and programming interfaces are supported by the R5F104BCANA#W0?
The R5F104BCANA#W0 supports Renesas E1/E2 emulator debugging via dedicated TOOLRxD (P50) and TOOLTxD (P51) pins, plus SWD-compatible on-chip debug functionality. Programming is performed through FINE interface using standard Renesas flash programmers - detailed in Section 1.1 "On-chip debug function" and hardware user's manual R01UH0047.
R5F104BCANA#W0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-WFQFN Exposed Pad
- Series:
- RL78/G14
- Packaging:
- Tube
- 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:
- 22
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104BCANA#W0 FAQ
1.How can I place an order for R5F104BCANA#W0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104BCANA#W0 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 R5F104BCANA#W0 reliable?
The price and inventory of R5F104BCANA#W0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104BCANA#W0 is usually 5 days.
3.What payment methods are accepted for R5F104BCANA#W0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104BCANA#W0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104BCANA#W0?
R5F104BCANA#W0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104BCANA#W0 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 R5F104BCANA#W0?
For technical support, including R5F104BCANA#W0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104BCANA#W0 requirements.
6.How does Aetrix verify that R5F104BCANA#W0 is sourced from the original manufacturer or authorized distributors?
All R5F104BCANA#W0 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 R5F104BCANA#W0 meets industry standards.
7.What is the process for return or replacement of R5F104BCANA#W0?
All R5F104BCANA#W0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104BCANA#W0, 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 R5F104BCANA#W0 part is unused and in its original packaging.
Return procedure for R5F104BCANA#W0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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