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Renesas R5F104BDAFP#30
- Part No.:
- R5F104BDAFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R5F104BDAFP#30.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,047
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Product details
Overview
R5F104BDAFP#30 from Renesas is a 32-pin LQFP-0.8 mm pitch, 48 KB flash, 5.5 KB RAM RL78/G14 16-bit microcontroller with ultra-low-power operation (66 μA/MHz), 1.6–5.5 V supply range, and integrated 10-bit ADC (12-channel), UART/SPI/I²C interfaces, RTC, and hardware DTC/ELC for sensor and control applications in industrial HMI and smart metering.
For engineers reviewing the R5F104BDAFP#30 datasheet, R5F104BDAFP#30 pinout, R5F104BDAFP#30 application, or R5F104BDAFP#30 equivalent, this page delivers verified electrical specs, package mapping, functional role in real-time embedded systems, and validated alternative options for design-in continuity.
Technical Context
The R5F104BDAFP#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 µs (@32 MHz) to 30.5 µs (@32.768 kHz), and includes multiply/divide/accumulate instructions within a 1 MB address space. It integrates on-chip debug, self-programming flash with boot swapping, and background data flash rewriting (BGO).
Its peripheral set includes Timer Array Unit (TAU) with up to 8 channels, 12-bit interval timer, calendar RTC with alarm/correction, watchdog timer, and event-driven architecture via Event Link Controller (ELC) linking 19–26 event sources to peripherals without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 48 KB code flash with 1 KB block size, security lock, and self-programming capability |
| Data Flash | 4 KB with 1,000,000 write cycles and background operation (BGO) |
| RAM | 5.5 KB on-chip SRAM for variables, stack, and firmware execution |
| ADC | 10-bit resolution, 12 analog input channels, internal 1.45 V reference and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V - supports direct battery (Li-ion, alkaline) and mixed-voltage I/O interfacing |
| Power Consumption | 66 μA/MHz active; 0.60 μA in STOP mode with RTC + LVD enabled |
| Max Clock | 32 MHz via high-speed on-chip oscillator (±1.0% accuracy, -20 to +85°C) |
Pinout & Package
Package: 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, industrial-grade (−40 to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; timer input; clock source for trace/debug interface |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; timer output; secondary trace clock |
| P10–P17 | SPI/I²C/UART/Timer I/O group | Configurable multi-function ports supporting CSI (SPI), I²C, UART, and timer capture/compare |
| P30 | INTP3 / SCK00 / SCL00 / TRJO0 | Interrupt input; SPI/I²C clock; JTAG trace port |
| P31 | TI03 / TO03 / INTP4 / PCLBUZ0 | Timer input/output; interrupt; programmable buzzer output |
| P50/P51 | SI00/RxD0/SDA00 & SO00/TxD0/TRGIOB | Dual-role UART/SPI/I²C channel with tool interface (TOOLRxD/TOOLTxD) |
| RESET | Active-low reset input | Asynchronous hardware reset with internal pull-up; accepts external debounced signal |
| VDD/VSS | Power supply pins | Single 1.6–5.5 V supply; decoupling required at REGC–VSS (0.47–1 µF capacitor) |
| REGC | Regulator bypass capacitor terminal | Must connect to VSS via 0.47–1 µF ceramic capacitor for internal LDO stability |
| X1/X2 | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC or external clock up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP/SNOOZE modes | Enables battery-powered operation >10 years in metering with RTC wake-up and sensor polling |
| On-chip Data Flash with BGO | Allows firmware updates or logging while executing application code from main flash memory |
| Event Link Controller (ELC) | Eliminates CPU overhead for peripheral triggering - e.g., ADC conversion start on timer match |
| Hardware Data Transfer Controller (DTC) | Offloads RAM-to-peripheral DMA tasks (e.g., UART RX buffer fill) without CPU cycles |
| Integrated temperature sensor & 1.45 V reference | Enables system-level thermal monitoring and precision ADC calibration without external components |
| Peripheral I/O redirection (PIOR0/1) | Reassigns alternate functions (e.g., UART to non-default pins) in software - improves PCB layout flexibility |
Applications
| Smart Energy Metering | Industrial HMI Panel |
|---|---|
Use Scenario: Residential electricity meter with pulse counting, tariff switching, and RS-485 communication. IC Role / Device Role / Timing Role: Main controller managing metrology IC interface, RTC-based billing cycles, and secure firmware updates via data flash BGO. Use Value: 48 KB flash hosts dual-bank firmware; 0.60 μA STOP mode extends battery backup life during power outage. | Use Scenario: Touch-enabled local operator panel for PLC-controlled HVAC systems. IC Role / Device Role / Timing Role: Real-time UI processor handling button debounce, LCD refresh, serial command parsing, and LED status control. Use Value: ELC-triggered ADC reads potentiometer inputs without CPU polling; DTC moves UART command buffers autonomously. |
| Wireless Sensor Node Hub | Appliance Motor Control Interface |
Use Scenario: Battery-powered gateway aggregating BLE/Zigbee sensor data and forwarding via UART to Wi-Fi module. IC Role / Device Role / Timing Role: Low-power coordinator managing sleep/wake cycles, sensor polling intervals, and protocol translation. Use Value: SNOOZE mode reduces current during RF idle time; integrated 10-bit ADC monitors battery voltage and ambient temperature. | Use Scenario: Fan speed controller in refrigerator with hall-effect rotor sensing and PWM-driven BLDC driver. IC Role / Device Role / Timing Role: Timing-critical motor commutation supervisor using TAU timers for precise phase alignment and fault detection. Use Value: Hardware timer outputs drive gate drivers directly; comparator inputs monitor overcurrent; LVD prevents brown-out resets during load transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104BEAFP#30 | 64 KB flash, 5.5 KB RAM, same 32-pin LQFP package and peripheral set | Supports larger firmware images (e.g., OTA update stack + full feature set) | Select when future firmware expansion or bootloader complexity requires >48 KB code space |
| R5F104BDASP#30 | 48 KB flash, 5.5 KB RAM, 30-pin LSSOP (0.65 mm pitch), consumer-temp (−40 to +85°C) | Smaller footprint and lower cost; no exposed pad; reduced I/O count (26 vs. 29 GPIO) | Choose for space-constrained consumer designs where LSSOP assembly and reduced pin count are acceptable |
Compared with R5F104BDAFP#30, R5F104BEAFP#30 provides headroom for complex protocol stacks, while R5F104BDASP#30 trades package size and thermal performance for board area savings - both retain identical peripheral functionality and instruction compatibility.
Availability
R5F104BDAFP#30 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and wireless sensor node applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for R5F104BDAFP#30 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/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding robust peripheral integration and long-term supply assurance.
FAQ
What is the maximum operating frequency of the R5F104BDAFP#30?
The R5F104BDAFP#30 supports a maximum operating frequency of 32 MHz using its high-speed on-chip oscillator, which maintains ±1.0% accuracy across 1.8–5.5 V and −20 to +85°C. External crystals up to 20 MHz are also supported via X1/X2 pins for timing-critical applications requiring higher precision than the internal oscillator provides.
Does the R5F104BDAFP#30 include an integrated ADC, and what are its key specifications?
Yes, the R5F104BDAFP#30 includes a 10-bit successive-approximation ADC with 12 analog input channels, selectable internal 1.45 V reference voltage, and integrated temperature sensor. It operates across the full 1.6–5.5 V supply range and supports scan mode, hardware trigger (via ELC), and result buffering - enabling reliable sensor acquisition in R5F104BDAFP#30-based metering and monitoring systems.
What debug and programming interfaces does the R5F104BDAFP#30 support?
The R5F104BDAFP#30 supports on-chip debugging via single-wire SWD (Serial Wire Debug) using dedicated pins P30 (TRJO0) and P31 (TRJIO0), plus full support for Renesas E2 studio and CS+ IDEs. It also enables in-system programming through its built-in bootloader and flash self-programming library, allowing field firmware updates without external programmers - a key capability for deployed R5F104BDAFP#30 devices.
How does the R5F104BDAFP#30 manage power in battery-operated applications?
The R5F104BDAFP#30 achieves ultra-low-power operation with 66 μA/MHz active current and 0.60 μA in STOP mode (RTC + LVD active). Its HALT, STOP, and SNOOZE modes allow granular power-state control, while the on-chip LVD with 14 selectable thresholds enables safe brown-out detection. These features make R5F104BDAFP#30 ideal for multi-year battery life in remote sensors and utility meters.
Is the R5F104BDAFP#30 pin-compatible with other RL78/G14 variants in the same package?
Yes, all RL78/G14 devices in the 32-pin LQFP-0.8 mm pitch package (e.g., R5F104AAFP#30 through R5F104BGFP#30) share identical pinouts and electrical characteristics. This allows drop-in replacement across flash/RAM variants - for example, upgrading from R5F104BDAFP#30 (48 KB) to R5F104BEAFP#30 (64 KB) requires no PCB changes, preserving layout investment while scaling firmware capacity.
R5F104BDAFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 5.5K 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:
R5F104BDAFP#30 FAQ
1.How can I place an order for R5F104BDAFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104BDAFP#30 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 R5F104BDAFP#30 reliable?
The price and inventory of R5F104BDAFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104BDAFP#30 is usually 5 days.
3.What payment methods are accepted for R5F104BDAFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104BDAFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104BDAFP#30?
R5F104BDAFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104BDAFP#30 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 R5F104BDAFP#30?
For technical support, including R5F104BDAFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104BDAFP#30 requirements.
6.How does Aetrix verify that R5F104BDAFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F104BDAFP#30 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 R5F104BDAFP#30 meets industry standards.
7.What is the process for return or replacement of R5F104BDAFP#30?
All R5F104BDAFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104BDAFP#30, 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 R5F104BDAFP#30 part is unused and in its original packaging.
Return procedure for R5F104BDAFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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