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Renesas R5F104LEAFP#30
- Part No.:
- R5F104LEAFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LEAFP#30.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:817
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Product details
Overview
R5F104LEAFP#30 from Renesas is a 64-pin LQFP-0.65 mm pitch, 48 KB flash, 5.5 KB RAM RL78/G14 16-bit microcontroller operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low-power HALT/STOP/SNOOZE modes (66 μA/MHz active, 0.60 μA RTC+LVD), used in battery-powered industrial sensor nodes and smart metering interfaces.
For engineers reviewing the R5F104LEAFP#30 datasheet, R5F104LEAFP#30 pinout, R5F104LEAFP#30 application, or R5F104LEAFP#30 equivalent, key selection criteria include its 64-pin LQFP package, 48 KB code flash + 4 KB data flash, integrated 10-bit 20-channel ADC, dual UART/LIN support, and -40°C to +85°C industrial temperature grade.
Technical Context
The R5F104LEAFP#30 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), plus multiply/divide/accumulate instructions and 1 MB address space.
It integrates configurable peripherals including Timer Array Unit (TAU) with up to 8 channels, Real-Time Clock with calendar/alarm, 12-bit interval timer, watchdog timer, and Event Link Controller (ELC) enabling hardware-triggered peripheral chaining 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 |
| Max Operating Frequency | 32 MHz - delivers 44 DMIPS for real-time control loop execution |
| Flash Memory | 48 KB code flash + 4 KB data flash - supports background rewriting (BGO) and 1M write cycles |
| RAM | 5.5 KB on-chip RAM - sufficient for RTOS stacks and sensor data buffering |
| Supply Voltage | 1.6–5.5 V - enables direct Li-ion or multi-cell battery operation without external regulators |
| Power Consumption | 66 μA/MHz active; 0.60 μA in STOP mode with RTC+LVD - extends battery life in always-on sensing |
| ADC | 10-bit resolution, 20-channel SAR ADC with internal 1.45 V reference and temperature sensor |
| Timers | 8× 16-bit TAU channels, 1× 12-bit interval timer, 1× RTC (calendar/alarm), 1× watchdog |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm body, 0.65 mm pitch, exposed pad not present (standard plastic LQFP).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; input capture timer channel 0; trigger clock A for debug/peripheral sync |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; timer output channel 0; trigger clock B for synchronized event timing |
| P10–P17 | CSI/UART/I²C/SIO multiplexed I/O | Configurable serial interfaces supporting SPI-like CSI, UART (LIN-capable), and I²C up to 10 channels |
| P120–P147 | Analog inputs (ANI0–ANI19), VCOUT0/1 | 20-channel analog front-end with dedicated voltage comparator outputs for threshold detection |
| P30–P31 | INTP3/RTC1HZ/SCK00, INTP4/TI03/TO03 | Real-time clock 1 Hz output and dual-input-capture/timer-output pins for encoder or pulse-width measurement |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced pushbutton or supervisor IC signal |
| VDD / VSS | Power supply / ground | Dual power domains: VDD (1.6–5.5 V) powers digital/analog; VSS common return for noise-sensitive mixed-signal layout |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 µF ceramic capacitor to VSS for internal LDO stability - critical for low-noise ADC operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.60 μA current draw with RTC and LVD active - enables >10-year battery life in periodic wake-up sensor nodes |
| Self-programmable flash | Boot swapping and flash shield window enable secure firmware updates without external programmer |
| Background data flash rewrite | BGO allows full CPU execution from code flash while updating non-volatile parameter storage - no interrupt latency penalty |
| Hardware event linking (ELC) | 19–26 peripheral events directly chained (e.g., ADC EOC → DMA transfer → timer reload) - eliminates ISR overhead |
| Dual UART with LIN support | Two independent UART modules each supporting LIN 2.2 physical layer - simplifies automotive body electronics integration |
| On-chip temperature sensor | Calibrated silicon sensor with ±2°C accuracy over -40°C to +85°C - enables thermal derating without external components |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Bidirectional energy monitoring in DIN-rail mounted electricity meters with tamper detection and time-of-use billing. IC Role / Device Role / Timing Role: Main system controller managing metrology IC interface (SPI), LCD driver, RTC calendar, and isolated RS-485 communication stack. Use Value: 48 KB flash stores dual tariff logic + encryption keys; 10-bit ADC digitizes auxiliary voltage/current sense; STOP mode reduces standby consumption to <1 µA. | Use Scenario: Wireless vibration/temperature node in predictive maintenance systems, sampling every 5 seconds and transmitting via BLE gateway. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating accelerometer, thermistor, and humidity data; triggers ADC conversions via RTC alarm and manages low-power sleep/wake cycles. Use Value: On-chip temperature sensor eliminates external component; 0.60 μA STOP mode extends AA battery life beyond 5 years; ELC links ADC EOC to DMA for zero-CPU data movement. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: MCU in washing machine main board controlling motor drivers, water valves, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time motion controller executing PID loops via TAU PWM outputs; monitors door lock, water level, and NTC thermistors via 20-channel ADC. Use Value: 44 DMIPS handles concurrent motor commutation and UI refresh; HALT mode cuts power during idle spin cycles; LIN UART interfaces to display module. | Use Scenario: Standalone HVAC zone controller with local temperature/humidity sensing, damper actuation, and BACnet MS/TP communication. IC Role / Device Role / Timing Role: Fieldbus protocol processor running BACnet stack over UART with RS-485 transceiver; manages 4-channel analog inputs and 2-channel DAC outputs for valve control. Use Value: Dual UART supports simultaneous BACnet and debug port; 4 KB data flash stores calibration coefficients and schedule logs; 1.6 V min supply tolerates brownout conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LEAFB#30 | Same core, flash, RAM, and peripherals; differs only in package (64-pin LFQFP, 0.5 mm pitch vs. LQFP 0.65 mm) | Requires PCB redesign due to finer pitch and different land pattern; better suited for space-constrained layouts | Select when board area is critical and assembly process supports 0.5 mm pitch |
| R5F104LGAFP#30 | Higher memory variant: 128 KB flash + 12 KB RAM; identical pinout, package, and peripheral set | Enables larger firmware (e.g., OTA update stack + GUI framework); same footprint allows upward migration without layout change | Select when future firmware expansion or enhanced feature sets are anticipated |
Compared with R5F104LEAFP#30, the R5F104LEAFB#30 offers identical functionality in a denser package requiring tighter layout tolerances, while R5F104LGAFP#30 provides scalable memory headroom within the same mechanical interface - both preserve peripheral compatibility and industrial temperature rating.
Availability
R5F104LEAFP#30 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply across extended product lifecycles.
Supply support for R5F104LEAFP#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 industrial, automotive, and IoT markets.
The RL78/G14 product line targets cost-sensitive, ultra-low-power general-purpose embedded applications - optimized for rapid development with integrated debugging, rich analog peripherals, and robust industrial-grade reliability.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F104LEAFP#30?
The R5F104LEAFP#30 operates at up to 32 MHz using its high-speed on-chip oscillator, achieving 44 DMIPS of processing performance. This frequency is fully supported across its 1.6–5.5 V supply range and -40°C to +85°C ambient temperature, making it suitable for deterministic real-time control tasks such as motor commutation and sensor fusion in industrial environments. The RL78 core's 3-stage pipeline ensures consistent instruction throughput at this speed.
Does the R5F104LEAFP#30 support in-system programming and secure firmware updates?
Yes, the R5F104LEAFP#30 supports full in-system programming via its on-chip debug interface and includes boot swapping capability with flash shield window protection. This allows field firmware updates without external programmers while preventing unauthorized access to protected code regions. The self-programming function operates with VDD = 1.8–5.5 V, enabling updates even from single-cell lithium batteries, and integrates with Renesas' Flash Self-Programming Library for robust implementation.
How many analog input channels and what ADC resolution does the R5F104LEAFP#30 provide?
The R5F104LEAFP#30 integrates a 10-bit successive approximation register (SAR) ADC with up to 20 configurable analog input channels (ANI0–ANI19), supporting input ranges from 0 to VDD or referenced to an internal 1.45 V bandgap. It also includes an on-chip temperature sensor and dual comparator modules. This analog subsystem is designed for direct interfacing with NTC thermistors, voltage dividers, and current-sense amplifiers in industrial sensing applications without external signal conditioning.
What serial communication interfaces are available on the R5F104LEAFP#30?
The R5F104LEAFP#30 provides three UART modules (one with LIN 2.2 support), up to ten I²C/Simplified I²C channels, and three to eight CSI (SPI-compatible) channels - all configurable via peripheral I/O redirection registers. These interfaces operate concurrently and can be assigned to multiple pin groups, enabling flexible connectivity to displays, sensors, transceivers, and legacy peripherals while maintaining low software overhead through ELC-triggered transfers.
Is the R5F104LEAFP#30 qualified for industrial temperature operation?
Yes, the R5F104LEAFP#30 is rated for industrial ambient temperature operation from -40°C to +85°C (indicated by the 'D' suffix in Renesas' ordering nomenclature). It meets JEDEC JESD22-A108 reliability standards for this range and includes on-chip voltage detector (LVD) with 14 selectable trip levels for brownout protection - ensuring robust behavior in harsh factory or outdoor deployment conditions where thermal and supply fluctuations are common.
R5F104LEAFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 48
- Program Memory Size:
- 64KB (64K 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 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104LEAFP#30 FAQ
1.How can I place an order for R5F104LEAFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LEAFP#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 R5F104LEAFP#30 reliable?
The price and inventory of R5F104LEAFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LEAFP#30 is usually 5 days.
3.What payment methods are accepted for R5F104LEAFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LEAFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LEAFP#30?
R5F104LEAFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LEAFP#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 R5F104LEAFP#30?
For technical support, including R5F104LEAFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LEAFP#30 requirements.
6.How does Aetrix verify that R5F104LEAFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F104LEAFP#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 R5F104LEAFP#30 meets industry standards.
7.What is the process for return or replacement of R5F104LEAFP#30?
All R5F104LEAFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LEAFP#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 R5F104LEAFP#30 part is unused and in its original packaging.
Return procedure for R5F104LEAFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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