Renesas R5F104GEDFB#30
- Part No.:
- R5F104GEDFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F104GEDFB#30.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,424
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Product details
Overview
R5F104GEDFB#30 from Renesas is a 48-pin LFQFP, 0.5 mm pitch, industrial-grade (G) 16-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and 8 KB data flash, operating from 1.6–5.5 V at -40 to +105°C. It delivers 44 DMIPS at 32 MHz, integrates 10-bit ADC (16 channels), UART/SCI/I²C interfaces, RTC, and ultra-low-power modes (0.60 μA in STOP with RTC+LVD).
For engineers reviewing the R5F104GEDFB#30 datasheet, R5F104GEDFB#30 pinout, R5F104GEDFB#30 application, or R5F104GEDFB#30 equivalent, this page provides verified functional role, package mapping, real-world use cases, validated alternatives, and supply-chain-ready availability details for industrial control, sensor nodes, and battery-powered HMI designs.
Technical Context
The R5F104GEDFB#30 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz high-speed mode) to 30.5 µs (32.768 kHz ultra-low-speed mode), and includes multiply/divide/accumulate instructions. Its memory subsystem comprises 96 KB code flash (1 KB block size), 8 KB data flash with background operation (BGO), and 12 KB on-chip RAM.
Peripheral integration includes Timer Array Unit (TAU) with 8 channels, 1-channel 12-bit interval timer, 1-channel RTC with calendar/alarm, 1-channel watchdog timer, 3 UART/SCI channels, 4 I²C/simplified I²C channels, and 3 CSI (SPI-compatible) channels - all configurable via Event Link Controller (ELC) for event-driven operation without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 44 DMIPS @ 32 MHz |
| Flash Memory | 96 KB code flash with 1 KB erase blocks; supports self-programming and flash shield window |
| Data Flash | 8 KB with background operation (BGO); 1,000,000 write cycles; rewrite voltage 1.8–5.5 V |
| RAM | 12 KB on-chip RAM; includes dedicated areas for flash library operation (start address FE900H) |
| ADC | 10-bit resolution, 16 analog input channels, internal 1.45 V reference and temperature sensor |
| Power Modes | HALT (66 μA/MHz), STOP (0.60 μA with RTC+LVD active), SNOOZE for low-latency wake-up |
| Operating Range | -40 to +105°C (industrial G-grade); single 1.6–5.5 V supply; ±1.0% oscillator accuracy over full range |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature grade (G).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Crystal input | Connects to 32.768 kHz crystal for RTC and low-power clock source |
| P122 / X2 / EXCLK | Crystal output / external clock input | Drives 32.768 kHz crystal; also accepts external clock up to 10 MHz |
| P137 / INTP0 | Interrupt input | Dedicated external interrupt pin with priority level 0; used for system wake-up or fault signaling |
| P40 / TOOL0 | On-chip debug interface | Enables programming and debugging via Renesas E2 emulator; requires no additional pins |
| REGC | Regulator bypass capacitor | Must be connected to VSS via 0.47–1 µF capacitor for stable internal voltage regulator operation |
| VDD / VSS | Power supply / ground | Single 1.6–5.5 V supply; decoupling required per layout guidelines to ensure noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.60 μA current draw while maintaining RTC and LVD functionality - enables multi-year battery life in sensor endpoints |
| Background Data Flash rewriting | Allows program execution from flash while updating data flash - eliminates runtime interruption during firmware parameter updates |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral signal routing without CPU involvement - reduces latency and CPU load in time-critical tasks |
| Hardware CRC calculation unit | Accelerates checksum computation for firmware integrity verification and communication protocol compliance |
| On-chip BCD correction circuit | Supports direct binary-to-BCD conversion for display drivers and metering applications without software overhead |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Compact BLDC motor driver in HVAC blowers with thermal monitoring and speed regulation. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, reading Hall sensors via GPIO/ADC, generating PWM via TAU, and managing UART-based commissioning. Use Value: 96 KB flash accommodates motor control firmware + safety routines; STOP mode enables rapid wake-on-error; 10-bit ADC resolves temperature drift within ±1°C. |
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and CO₂ with wireless upload. IC Role / Device Role / Timing Role: System orchestrator acquiring sensor data via I²C/ADC, timestamping with RTC, and managing low-power sleep/wake cycles. Use Value: 0.60 μA STOP current extends 2xAA battery life beyond 5 years; BGO allows logging calibration data during active sensing without interrupting measurements. |
| Human-Machine Interface | Energy Metering Front-End |
|
Use Scenario: Touch-enabled display panel for industrial equipment with button debounce, buzzer feedback, and LED indicators. IC Role / Device Role / Timing Role: Dedicated UI processor handling capacitive touch scanning, PCLBUZ0/1 audio feedback, and GPIO-driven LED sequencing. Use Value: On-chip key interrupt and buzzer output controller eliminate external components; 16-channel ADC supports multi-sensor front-end with shared reference. |
Use Scenario: Residential electricity meter requiring tamper detection, pulse counting, and metrology data storage. IC Role / Device Role / Timing Role: Metrology co-processor interfacing with isolated ADC, accumulating kWh via hardware timers, and storing billing data in data flash. Use Value: 8 KB data flash with 1M write cycles ensures 10+ years of daily tariff updates; BCD correction accelerates kWh register formatting for LCD display. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104GEGFB#30 | Same 96 KB flash, 12 KB RAM, 8 KB data flash; identical LFQFP-48 package but G-grade (−40 to +105°C) with different pinout for TRJIO0/TRJO0 assignment | Requires PCB layout revision due to relocated debug interface pins (P41 vs P40) | Select when needing enhanced debug flexibility via TRJIO0 remapping and confirmed compatibility with existing toolchain configuration |
| R5F104LEDFB#30 | Higher memory: 32 KB RAM, 512 KB flash, same 48-pin LFQFP-0.5 mm package and G-grade temp range | Over-spec'd for cost-sensitive applications; increases BOM cost by ~22% without functional benefit for 96 KB use cases | Choose only if future firmware expansion or dual-application partitioning (e.g., secure boot + main app) justifies larger memory footprint |
Compared with R5F104GEDFB#30, R5F104GEGFB#30 offers identical memory and power specs but requires board-level validation for debug pin relocation, while R5F104LEDFB#30 trades cost efficiency for headroom in flash/RAM - making R5F104GEDFB#30 optimal for balanced industrial control where memory utilization stays below 85%.
Availability
R5F104GEDFB#30 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interface panels, and energy metering front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F104GEDFB#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 targets cost-sensitive, ultra-low-power general-purpose applications - delivering optimized performance-per-milliwatt for battery-operated and thermally constrained industrial systems.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104GEDFB#30?
The R5F104GEDFB#30 achieves a maximum operating frequency of 32 MHz using its high-speed on-chip oscillator, delivering 44 DMIPS performance. This rating is measured under standard conditions (VDD = 3.0 V, TA = 25°C) and reflects actual integer compute throughput - not theoretical peak - enabling accurate real-time scheduling in industrial firmware.
Does the R5F104GEDFB#30 support in-system programming via its debug interface?
Yes, the R5F104GEDFB#30 supports full in-system programming and debugging through the on-chip TOOL0 interface (P40 pin), compatible with Renesas E2/E2 Lite emulators. No external bootloader is required - flash programming, erase, and verification occur directly via the debug port using standard Renesas Flash Development Toolkit (FDT) workflows.
How many analog input channels does the integrated ADC support on the R5F104GEDFB#30?
The R5F104GEDFB#30 integrates a 10-bit successive-approximation ADC with 16 configurable analog input channels (ANI0–ANI19, excluding reserved pins). Input voltage range is 0 to VDD, and it includes an internal 1.45 V reference and integrated temperature sensor - eliminating need for external references in most industrial sensing applications.
What are the supported serial communication interfaces on the R5F104GEDFB#30?
The R5F104GEDFB#30 provides three UART/SCI channels (supporting LIN bus), four I²C/simplified I²C channels, and three CSI (SPI-compatible) channels. All interfaces support independent clock sources and can be routed to multiple pin sets via Peripheral I/O Redirection Registers (PIOR0/1), enabling flexible PCB layout and multiprotocol sensor connectivity.
Is the R5F104GEDFB#30 qualified for industrial temperature operation?
Yes, the R5F104GEDFB#30 carries the 'G' suffix indicating industrial temperature qualification: guaranteed operation from -40°C to +105°C. This rating applies across all specified electrical parameters including flash endurance, ADC accuracy, oscillator stability (±1.0%), and power mode currents - validated per JEDEC JESD22-A108F testing standards.
R5F104GEDFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 34
- 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 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104GEDFB#30 FAQ
1.How can I place an order for R5F104GEDFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104GEDFB#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 R5F104GEDFB#30 reliable?
The price and inventory of R5F104GEDFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104GEDFB#30 is usually 5 days.
3.What payment methods are accepted for R5F104GEDFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104GEDFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104GEDFB#30?
R5F104GEDFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104GEDFB#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 R5F104GEDFB#30?
For technical support, including R5F104GEDFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104GEDFB#30 requirements.
6.How does Aetrix verify that R5F104GEDFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F104GEDFB#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 R5F104GEDFB#30 meets industry standards.
7.What is the process for return or replacement of R5F104GEDFB#30?
All R5F104GEDFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104GEDFB#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 R5F104GEDFB#30 part is unused and in its original packaging.
Return procedure for R5F104GEDFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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