Renesas R5F104LFGFP#30
- Part No.:
- R5F104LFGFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LFGFP#30.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,857
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Product details
Overview
R5F104LFGFP#30 from Renesas is a 64-pin LFQFP, 512 KB flash, 8 KB data flash, 20 KB RAM RL78/G14 16-bit MCU operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), used in industrial motor control and smart sensor nodes.
For engineers reviewing the R5F104LFGFP#30 datasheet, R5F104LFGFP#30 pinout, R5F104LFGFP#30 application, or R5F104LFGFP#30 equivalent, key selection criteria include its 64-pin LFQFP-0.5 mm pitch package, integrated RTC + LVD + 12-bit ADC (20 ch), dual UART/LIN support, and industrial-grade −40°C to +105°C operation.
Technical Context
The R5F104LFGFP#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 with 1 MB address space and four register banks.
It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–64 MHz), Event Link Controller (ELC) for 19–26 event-driven peripheral linking, Data Transfer Controller (DTC) with chain transfer, and background operation (BGO) for concurrent code execution during data flash rewrite.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz (44 DMIPS); supported by ±1.0% accurate on-chip oscillator |
| Memory | 512 KB code flash (1 KB blocks), 8 KB data flash (1M rewrite cycles), 20 KB RAM |
| Power Consumption | 66 μA/MHz active; 0.60 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 12-bit A/D converter (20 channels, 1.45 V internal reference), two 8-bit D/A outputs |
| Serial Interfaces | 3–4 UART/LIN channels, 4–10 I²C/Simplified I²C channels, 3–8 CSI (SPI-compatible) channels |
| Timers & RTC | 8–12 × 16-bit timers (TAU/Timer RJ/RD/RG), 12-bit interval timer, calendar RTC (99-year), watchdog |
Pinout & Package
Package: 64-pin LFQFP, 10 × 10 mm body, 0.5 mm pitch, lead-free, RoHS-compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Crystal input | Connects to low-speed crystal (32.768 kHz) for RTC and subsystem clock |
| P122 / X2 / EXCLK | Crystal output / external clock input | Drives external crystal; accepts external clock up to 20 MHz when not using crystal |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers hardware reset on falling edge |
| VDD / VSS | Power supply / ground | Single 1.6–5.5 V supply; dedicated analog/digital ground separation recommended |
| P137 / INTP0 | External interrupt input | Edge-triggered priority interrupt source, supports wake-up from STOP/HALT modes |
| P60 / SCLA0 | I²C serial clock line | Open-drain output with internal pull-up option; supports standard/fast-mode I²C (100/400 kHz) |
| P61 / SDAA0 | I²C serial data line | Open-drain bidirectional data line; compatible with SMBus and multi-master configurations |
| P30 / INTP3 / SCK00 / SCL00 / TRJO0 | Multiplexed function pin | Configurable as SPI clock, I²C clock, or JTAG trace clock; enables flexible interface routing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.60 μA current draw while maintaining RTC operation and LVD monitoring |
| Self-programmable flash | Boot swapping and flash shield window enable secure firmware updates without external programmer |
| Background data flash rewrite | Execute application code from flash while rewriting data flash (BGO), enabling real-time logging |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining eliminates CPU overhead for time-critical signal paths |
| Peripheral I/O redirection | Dynamic remapping of up to 12 peripheral functions to alternate pins via PIOR registers |
| On-chip temperature sensor | Calibrated analog output referenced to internal 1.45 V bandgap for system thermal monitoring |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Closed-loop BLDC motor drive with Hall-effect feedback and thermal protection. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation, ADC sampling, and fault handling. Use Value: 12-bit ADC (20 ch) captures phase currents and temperature simultaneously; RTC enables runtime logging; low-power STOP mode extends battery life in standby. |
Use Scenario: Battery-powered environmental sensor hub aggregating temperature, humidity, and CO₂ data. IC Role / Device Role / Timing Role: System-on-chip host managing sensor interfaces, wireless transmission prep, and deep-sleep scheduling. Use Value: 0.60 μA STOP mode with RTC maintains timekeeping and wake-up scheduling; integrated LVD prevents brown-out corruption during voltage sag. |
| Home Appliance UI | Industrial PLC I/O Module |
|
Use Scenario: Touchless control panel for oven/microwave with capacitive sensing and buzzer feedback. IC Role / Device Role / Timing Role: Dedicated UI processor handling touch scan, display update, audio tone generation, and safety interlocks. Use Value: Dual 8-bit D/A outputs drive piezo buzzer with real-time amplitude control; PCLBUZ peripherals simplify tone generation without CPU load. |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU. IC Role / Device Role / Timing Role: Protocol engine and isolation interface manager handling UART framing, CRC, and GPIO state synchronization. Use Value: 4 UART/LIN channels support dual Modbus ports (master/slave); ELC links UART events to GPIO toggles for precise timing-critical isolation control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LGFB#30 | Same 512 KB flash, 20 KB RAM, but in 64-pin LFQFP-0.5 mm (FB) package - identical pinout and electrical specs | Identical functionality; differs only in packaging specification suffix (#30 vs #30 denotes same tray packaging) | Select R5F104LGFB#30 only if legacy BOM references FB suffix; electrically and mechanically interchangeable |
| R5F104LJGFP#30 | Same 64-pin LFQFP-0.5 mm package, but 256 KB flash, 8 KB data flash, 24 KB RAM - lower memory density | Suitable for cost-sensitive designs where 512 KB flash is unnecessary; retains full peripheral set and temperature grade | Choose R5F104LJGFP#30 when firmware size < 256 KB and additional RAM headroom is not required |
Compared with R5F104LFGFP#30, R5F104LGFB#30 offers identical performance and footprint with minor part-numbering variance, while R5F104LJGFP#30 reduces flash/RAM capacity to lower unit cost without sacrificing industrial temperature rating or peripheral richness.
Availability
R5F104LFGFP#30 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, home appliance UIs, and PLC I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F104LFGFP#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 industrial and consumer applications demanding robust peripheral integration, ultra-low standby current, and seamless toolchain support.
FAQ
What is the maximum operating temperature range for R5F104LFGFP#30?
The R5F104LFGFP#30 is rated for industrial applications with an operating ambient temperature range of −40°C to +105°C (G-grade). This is confirmed in the ordering information section where the 'G' in the part number denotes the extended temperature grade, and it is validated by the device's qualification per JEDEC standards for industrial use cases.
Does R5F104LFGFP#30 support in-system programming via UART?
Yes, R5F104LFGFP#30 supports in-system programming (ISP) via UART using the built-in bootloader. The device implements a ROM-resident serial bootloader that accepts firmware images over UART channel 0 (P50/P51), enabling field updates without external debug hardware - a capability documented in the RL78/G14 User's Manual (Hardware).
How many I²C interfaces does R5F104LFGFP#30 provide, and are they fully independent?
R5F104LFGFP#30 provides up to 10 I²C/simplified I²C channels, with P60/SCLA0 and P61/SDAA0 designated as one fully independent hardware I²C interface supporting standard/fast-mode speeds and multi-master arbitration. Other channels are implemented via CSI or UART peripherals with software emulation, limiting concurrent use.
What is the purpose of the REGC pin on R5F104LFGFP#30, and how must it be connected?
The REGC pin on R5F104LFGFP#30 connects to the internal voltage regulator capacitor. It must be tied to VSS via a 0.47–1.0 µF ceramic capacitor placed as close as possible to the pin, per the datasheet cautions. Failure to do so risks unstable internal regulation and erratic reset behavior, especially during low-voltage or transient conditions.
Can R5F104LFGFP#30 operate from a single 1.8 V supply, and what peripherals remain functional?
Yes, R5F104LFGFP#30 operates from 1.6–5.5 V, including 1.8 V. At 1.8 V, the CPU, 512 KB flash, 8 KB data flash, 20 KB RAM, 12-bit ADC (with internal 1.45 V reference), RTC, and LVD all remain fully functional. However, high-speed peripherals like 32 MHz operation require ≥2.4 V per the DC characteristics table.
R5F104LFGFP#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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 12x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104LFGFP#30 FAQ
1.How can I place an order for R5F104LFGFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LFGFP#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 R5F104LFGFP#30 reliable?
The price and inventory of R5F104LFGFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LFGFP#30 is usually 5 days.
3.What payment methods are accepted for R5F104LFGFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LFGFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LFGFP#30?
R5F104LFGFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LFGFP#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 R5F104LFGFP#30?
For technical support, including R5F104LFGFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LFGFP#30 requirements.
6.How does Aetrix verify that R5F104LFGFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F104LFGFP#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 R5F104LFGFP#30 meets industry standards.
7.What is the process for return or replacement of R5F104LFGFP#30?
All R5F104LFGFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LFGFP#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 R5F104LFGFP#30 part is unused and in its original packaging.
Return procedure for R5F104LFGFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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