Renesas R5F104FEGFP#30
- Part No.:
- R5F104FEGFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F104FEGFP#30.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:960
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F104FEGFP#30 from Renesas Electronics is a 44-pin LQFP-packaged RL78/G14 16-bit microcontroller with 96 KB flash, 12 KB RAM, and 8 KB data flash, operating from 1.6 V to 5.5 V at up to 32 MHz (44 DMIPS), featuring ultra-low-power HALT/STOP/SNOOZE modes, integrated RTC, and 16-channel 10-bit ADC - deployed in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F104FEGFP#30 datasheet, R5F104FEGFP#30 pinout, R5F104FEGFP#30 application, or R5F104FEGFP#30 equivalent, key selection criteria include its 44-pin 0.8 mm pitch LQFP package, -40°C to +85°C industrial temperature grade (D suffix), 96 KB code flash with self-programming support, and dual UART/LIN interfaces for embedded communication subsystems.
Technical Context
The R5F104FEGFP#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 RTC mode). It integrates a Data Transfer Controller (DTC) with chain transfer and an Event Link Controller (ELC) enabling hardware-triggered peripheral linking without CPU intervention.
Its analog subsystem includes a 10-bit A/D converter with 16 input channels, internal 1.45 V reference, and temperature sensor; plus an 8-bit D/A converter with real-time output capability. Power management features on-chip POR, 14-level LVD, and multiple low-power modes achieving 0.60 µA in RTC+LVD-only operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide instructions |
| Max Clock Speed | 32 MHz (44 DMIPS), with selectable high-accuracy on-chip oscillator (±1.0% over -20 to +85°C) |
| Memory | 96 KB code flash (1 KB block size), 12 KB RAM, 8 KB data flash (1M rewrite cycles, BGO supported) |
| ADC | 10-bit resolution, 16 analog inputs, internal 1.45 V reference, and integrated temperature sensor |
| Low-Power Modes | HALT (66 µA/MHz), STOP (0.60 µA with RTC+LVD active), SNOOZE (selective peripheral wake-up) |
| Peripherals | 2× UART/LIN, 4× I²C, 3× CSI, 12× 16-bit timers (including RTC, watchdog, TAU), 2× comparators |
| Supply Range | 1.6 V to 5.5 V single supply; operates reliably down to 1.8 V at full speed |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8 mm pitch), industrial-grade (D-field), lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK11/SCL11/TRDIOD1 | Primary SPI/I²C clock input; supports debug trace via TRDIOD1 |
| P11 | SI11/SDA11/TRDIOC1 | Primary SPI/I²C data input; also serves as trace data channel |
| P12 | SO11/TRDIOB1/IVREF1 | Primary SPI output or trace data output; selectable internal voltage reference |
| P13 | TxD2/SO20/TRDIOA1/IVCMP1 | UART2 transmit or secondary SPI output; trace-capable I/O with comparator input |
| P14 | RxD2/SI20/SDA20/TRDIOD0/(SCLA0) | UART2 receive or secondary I²C data; multiplexed with trace and slave address line |
| P15 | PCLBUZ1/SCK20/SCL20/TRDIOB0/(SDAA0) | Buzzer output or secondary SPI/I²C clock; trace-capable bidirectional I/O |
| P16 | TI01/TO01/INTP5/TRDIOC0/IVREF0 | Timer input/output with interrupt capability; trace channel and internal reference source |
| P17 | TI02/TO02/TRDIOA0/TRDCLK/IVCMP0 | Dual timer I/O with trace clock and comparator input; enables synchronized debug capture |
| P20–P27 | ANI0–ANI7 | Eight dedicated analog inputs for 10-bit ADC; support AVREFP/AVREFM differential reference |
| P30 | INTP3/RTC1HZ/SCK00/SCL00/TRJO0 | Interrupt input, RTC 1 Hz output, or primary SPI/I²C clock; shared with JTAG trace port |
| P40 | TOOL0 | On-chip debug interface pin (SWD/JTAG); required for programming and real-time debugging |
| P121/P122 | X1/X2/EXCLK | Crystal oscillator inputs (32.768 kHz or 1–20 MHz); also support external clock input |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts both level and pulse assertion |
| VDD/VSS | Power supply pins | Dual power domains: VDD (core/I/O), VSS (ground); REGC capacitor required for regulator stability |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.60 µA in STOP mode with RTC + LVD active - enables >10-year battery life in metering applications |
| Self-programmable flash | Boot swapping and flash shield window enable secure firmware updates without external programmer |
| Background data flash rewriting | BGO allows full CPU execution from code flash while writing data flash - eliminates interrupt latency during logging |
| Hardware event linking (ELC) | 19–26 event sources directly trigger peripherals (e.g., ADC start on timer match) - reduces CPU overhead by >40% |
| Flexible serial interface mapping | Peripheral I/O redirection registers (PIOR0/1) allow dynamic remapping of UART/I²C/CSI pins - simplifies PCB layout reuse |
| Integrated safety functions | On-chip LVD with 14 programmable thresholds and POR ensure robust startup and brown-out recovery in noisy industrial environments |
Applications
| Industrial Sensor Node | Smart Thermostat Control |
|---|---|
Use Scenario: Battery-powered wireless temperature/humidity sensor with BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-based wakeup, UART-to-BLE bridge, and low-power state transitions. Use Value: 0.60 µA STOP current extends CR2032 battery life beyond 5 years; 10-bit ADC with internal reference eliminates external precision components. |
Use Scenario: Residential HVAC controller with touch interface, display, and relay drivers. IC Role / Device Role / Timing Role: Central MCU handling UI polling, PID loop timing (via TAU timers), relay sequencing, and LIN bus communication to compressor module. Use Value: Dual UART/LIN support enables native communication with legacy HVAC subsystems; 96 KB flash accommodates bootloader + field-upgradable application. |
| Energy Metering Module | Programmable Logic Controller (PLC) I/O Base |
Use Scenario: DIN-rail mounted electricity meter with tamper detection and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip performing metrology calculations (via DTC-assisted ADC reads), RTC calendar, EEPROM emulation, and isolated RS-485 UART framing. Use Value: Background data flash rewriting allows continuous energy logging during firmware updates; 14-level LVD detects grid sags for event-triggered storage. |
Use Scenario: Modular PLC base unit with 8 digital inputs, 4 relay outputs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Real-time I/O manager using ELC to link timer events to GPIO toggles and UART transmission triggers. Use Value: Hardware event linking eliminates software polling loops - achieves deterministic <100 µs I/O response; 12 KB RAM supports dual Modbus buffer queues. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104FDGFP#30 | 32 KB flash, 4 KB RAM, 4 KB data flash - smaller memory footprint, same 44-pin LQFP package and peripheral set | Targeted at cost-sensitive, function-limited control tasks (e.g., simple fan controllers) | Select when application firmware fits within 32 KB and no data logging or complex UI is required |
| R5F104FGGFP#30 | 64 KB flash, 5.5 KB RAM, 4 KB data flash - mid-tier memory, identical pinout and temperature grade (D) | Suitable for enhanced feature sets like multi-sensor fusion or basic OTA update capability | Choose for balanced cost/performance where 64 KB flash suffices and BGO data logging is needed |
Compared with R5F104FEGFP#30, the R5F104FDGFP#30 reduces flash/RAM by 67%/67% for minimal firmware, while R5F104FGGFP#30 offers 33% more flash with identical I/O and power characteristics - enabling scalable design reuse across product tiers without PCB changes.
Availability
R5F104FEGFP#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat control, and energy metering modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F104FEGFP#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 family delivers true low-power performance (66 µA/MHz) with rich analog integration and flexible connectivity - designed specifically for cost-sensitive, battery-operated, and industrial control applications demanding reliability and longevity.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104FEGFP#30?
The R5F104FEGFP#30 operates at a maximum frequency of 32 MHz, delivering 44 DMIPS performance. This is achieved using the high-speed on-chip oscillator, which maintains ±1.0% accuracy across the full industrial temperature range (-40°C to +85°C) and supply voltage (1.8 V to 5.5 V).
Does the R5F104FEGFP#30 support background data flash rewriting while executing code from main flash memory?
Yes, the R5F104FEGFP#30 supports Background Operation (BGO) for data flash. Instructions can be executed from program memory during data flash erase/write cycles, enabling uninterrupted real-time operation - critical for applications like energy logging or firmware parameter updates.
What are the low-power modes available on the R5F104FEGFP#30, and what is the lowest achievable current consumption?
The R5F104FEGFP#30 offers HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes 0.60 µA - verified at VDD = 1.8 V and TA = 25°C. This ultra-low quiescent current enables decade-long operation on coin-cell batteries.
How many analog input channels does the 10-bit ADC in the R5F104FEGFP#30 support, and does it include an internal reference voltage?
The R5F104FEGFP#30 integrates a 10-bit A/D converter with up to 16 analog input channels (ANI0–ANI15). It includes an internal 1.45 V reference voltage and a calibrated temperature sensor, eliminating the need for external reference components in most sensing applications.
Is the R5F104FEGFP#30 pin-compatible with other RL78/G14 variants in the same 44-pin LQFP package?
Yes, all RL78/G14 devices in the 44-pin LQFP package (e.g., R5F104FDGFP#30, R5F104FGGFP#30, R5F104FJGFP#30) share identical pinouts and electrical characteristics. Firmware and PCB designs are interchangeable across memory variants - enabling scalable product families with no layout changes.
R5F104FEGFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-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:
- 31
- 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):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104FEGFP#30 FAQ
1.How can I place an order for R5F104FEGFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104FEGFP#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 R5F104FEGFP#30 reliable?
The price and inventory of R5F104FEGFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104FEGFP#30 is usually 5 days.
3.What payment methods are accepted for R5F104FEGFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104FEGFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104FEGFP#30?
R5F104FEGFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104FEGFP#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 R5F104FEGFP#30?
For technical support, including R5F104FEGFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104FEGFP#30 requirements.
6.How does Aetrix verify that R5F104FEGFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F104FEGFP#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 R5F104FEGFP#30 meets industry standards.
7.What is the process for return or replacement of R5F104FEGFP#30?
All R5F104FEGFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104FEGFP#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 R5F104FEGFP#30 part is unused and in its original packaging.
Return procedure for R5F104FEGFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104FEGFP#30 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

