Renesas R5F104LLGFA#30
- Part No.:
- R5F104LLGFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LLGFA#30.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:476
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Product details
Overview
R5F104LLGFA#30 from Renesas is a 64-pin LFQFP (0.5 mm pitch), 512 KB flash, 32 KB RAM, RL78/G14 16-bit MCU operating at 32 MHz with 44 DMIPS, ultra-low-power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), and industrial-grade temperature range (−40°C to +105°C) for embedded control in motor drives and sensor nodes.
For engineers reviewing the R5F104LLGFA#30 datasheet, R5F104LLGFA#30 pinout, R5F104LLGFA#30 application, or R5F104LLGFA#30 equivalent, key selection criteria include its 512 KB code flash with 1 KB block erase, dual 8-channel 16-bit timers (TAU), integrated RTC with calendar/alarm, 10-bit 20-channel ADC, and hardware event link controller (ELC) enabling deterministic peripheral triggering without CPU intervention.
Technical Context
The R5F104LLGFA#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs min @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates a Data Transfer Controller (DTC) supporting normal, repeat, and block transfer modes activated by 19–26 event sources via the Event Link Controller (ELC).
Its mixed-signal subsystem includes a 10-bit ADC with internal 1.45 V reference and temperature sensor, dual 8-bit DACs (0–VDD output), two comparators with window/high-speed/low-speed modes, and serial interfaces: up to 8 CSI channels, 4 UART/LIN channels, and 10 I²C/SimpI²C channels - all configurable via peripheral I/O redirection registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and multiply/divide/accumulate instructions |
| Max Operating Frequency | 32 MHz - delivers 44 DMIPS with 0.03125 µs minimum instruction time |
| Memory Configuration | 512 KB on-chip flash (1 KB erase blocks), 32 KB RAM, 8 KB data flash (1M rewrite cycles) |
| Power Consumption | 66 μA/MHz active mode; 0.60 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit 20-channel ADC (VDD-referenced, internal 1.45 V ref, temp sensor); dual 8-bit DACs (0–VDD output) |
| Timer Resources | 8–12 × 16-bit timers (TAU/Timer RJ/RD/RG), 1 × 12-bit interval timer, 1 × RTC (99-year calendar, alarm, correction) |
| Serial Interfaces | Up to 8 CSI, 4 UART/LIN, 10 I²C/SimpI²C - all support hardware flow control and clock stretching |
Pinout & Package
Package: 64-pin LFQFP, 10 × 10 mm body, 0.5 mm pitch, exposed thermal pad (recommended to connect to VSS).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Crystal input | Primary low-frequency crystal oscillator input (32.768 kHz) for RTC and sub-system clock |
| P122 / X2 / EXCLK | Crystal output / external clock | Crystal oscillator output or external clock input (up to 20 MHz) for main system clock |
| P137 / INTP0 | Interrupt input | Edge-triggered external interrupt source (INTP0), supports wake-up from STOP/HALT modes |
| P60 / SCLA0 | I²C bus interface | Open-drain SCL line for I²C channel 0 - supports standard/fast-mode (100/400 kHz) |
| P61 / SDAA0 | I²C bus interface | Open-drain SDA line for I²C channel 0 - supports arbitration, clock stretching, and multi-master |
| P31 / TI03 / TO03 / INTP4 / PCLBUZ0 | Multi-function I/O | Configurable as timer input/output, external interrupt, or buzzer output - enables precise tone generation |
| REGC | Regulator bypass | Connect 0.47–1 µF capacitor to VSS to stabilize internal voltage regulator for analog/peripheral domains |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.60 μA STOP mode with RTC + LVD active enables battery-powered operation for >10 years on coin cell |
| Hardware event linking (ELC) | Direct peripheral-to-peripheral triggering without CPU involvement - reduces latency and firmware overhead |
| Data flash background operation (BGO) | Execute code from flash while rewriting data flash - enables seamless firmware updates and logging |
| On-chip debug & self-programming | Full on-chip debug with boot swapping and flash shield window - supports secure field firmware upgrades |
| Dual 16-bit timer arrays (TAU) | 8-channel TAU with complementary PWM, dead-time insertion, and phase-shift control for motor drive applications |
Applications
| Motor Control System | Industrial Sensor Node |
|---|---|
|
Use Scenario: Brushless DC (BLDC) motor commutation with current sensing and thermal monitoring in HVAC blowers. IC Role / Device Role: Main system controller executing FOC algorithm, managing gate drivers, and interfacing with Hall sensors and shunt amplifiers. Use Value: Integrated 10-bit 20-channel ADC with internal reference enables simultaneous sampling of 3-phase currents and temperature; dual TAU timers generate synchronized 6-PWM outputs with programmable dead time. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ via digital sensors over I²C. IC Role / Device Role: Low-power host MCU handling sensor polling, data fusion, and wireless transmission scheduling. Use Value: 0.60 μA STOP mode with RTC wake-up allows 1-second sensor reads and BLE transmit bursts; 8 KB data flash stores calibration coefficients and historical logs without external memory. |
| Smart Appliance UI | Programmable Logic Controller (PLC) I/O Module |
|
Use Scenario: Touch-enabled front panel for washing machine with LED indicators, buzzer feedback, and real-time cycle status. IC Role / Device Role: Dedicated UI controller managing capacitive touch sensing, segment LCD driving, and audio feedback. Use Value: On-chip PCLBUZ0/PCLBUZ1 support direct piezo buzzer drive; 64-pin package provides ample GPIO for LED matrix and touch electrode routing; hardware ELC synchronizes buzzer tone with display updates. |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU communication. IC Role / Device Role: Protocol handler and I/O state manager interfacing with optocouplers, relay drivers, and RS-485 transceivers. Use Value: Four UART/LIN channels support dual Modbus ports (master/slave); 16-bit timers implement precise pulse-width measurement for frequency-input sensors; 512 KB flash accommodates protocol stack + field-upgradable configuration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LKGBA#30 | Same RL78/G14 family, 256 KB flash, 24 KB RAM, identical 64-pin LFQFP-0.5 mm package and peripheral set | Suitable for cost-sensitive designs where 512 KB flash is unnecessary; retains full timer, ADC, and ELC functionality | Select when firmware size < 200 KB and BOM cost optimization is prioritized over future-proofing |
| R5F104GLGFB#30 | Same 512 KB flash, but 48-pin LFQFP-0.5 mm package; reduced I/O count (62 vs. 78 GPIO), no TAU channel expansion | Fits space-constrained PCBs; lacks second TAU unit and 4 ADC channels - limits motor control complexity | Choose for compact designs with simpler analog/sensor requirements and no need for dual TAU or >16 ADC inputs |
Compared with R5F104LKGBA#30 and R5F104GLGFB#30, the R5F104LLGFA#30 uniquely combines maximum code density (512 KB), full I/O count (78 pins usable), dual TAU timer arrays, and industrial −40°C to +105°C operation - making it the only option among the three qualified for high-complexity, thermally demanding embedded control.
Availability
R5F104LLGFA#30 is available at Aetrix Electronics and suitable for motor control systems, industrial sensor nodes, smart appliance UIs, and PLC I/O modules requiring stable component supply across extended product lifecycles.
Supply support for R5F104LLGFA#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 performance for general-purpose embedded control, emphasizing energy efficiency, integrated analog peripherals, and hardware acceleration (ELC/DTC) to reduce firmware complexity in resource-constrained applications.
FAQ
What is the maximum operating temperature rating for the R5F104LLGFA#30?
The R5F104LLGFA#30 is rated for industrial operation from −40°C to +105°C, as indicated by the 'G' suffix in the part number. This rating applies across its full 1.6–5.5 V supply range and validates its use in thermally demanding environments such as motor drives and factory automation equipment where ambient temperatures exceed +85°C.
Does the R5F104LLGFA#30 support hardware-based PWM generation for motor control?
Yes, the R5F104LLGFA#30 integrates two Timer Array Units (TAU), each providing up to 4 independent 16-bit timer channels. These support complementary PWM output with programmable dead-time insertion, phase-shift control, and synchronization via the Event Link Controller - enabling robust 3-phase BLDC or stepper motor control without CPU overhead.
How many I²C interfaces does the R5F104LLGFA#30 provide, and what are their capabilities?
The R5F104LLGFA#30 supports up to 10 I²C/Simplified I²C channels. Each channel operates in standard (100 kHz) and fast (400 kHz) modes, supports clock stretching, multi-master arbitration, and 7-/10-bit addressing. Pins P60/SCLA0 and P61/SDAA0 are dedicated to I²C channel 0 and are electrically optimized for noise immunity in industrial bus environments.
Can the R5F104LLGFA#30 perform ADC conversions while executing code from flash memory?
Yes, the R5F104LLGFA#30's 10-bit ADC operates independently of CPU execution. Conversions can be triggered by software, timers, or ELC events, and results are stored in dedicated data registers or transferred via DTC - allowing concurrent analog acquisition and program execution without stalling the core.
What debug and programming interfaces are supported by the R5F104LLGFA#30?
The R5F104LLGFA#30 supports on-chip debugging via the single-wire debug interface (SWD) using pins P137/INTP0 and P121/X1. It also enables flash self-programming with boot swapping and flash shield window protection - allowing secure, field-upgradable firmware without external programmers.
R5F104LLGFA#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:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 48K 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:
R5F104LLGFA#30 FAQ
1.How can I place an order for R5F104LLGFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LLGFA#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 R5F104LLGFA#30 reliable?
The price and inventory of R5F104LLGFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LLGFA#30 is usually 5 days.
3.What payment methods are accepted for R5F104LLGFA#30?
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R5F104LLGFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LLGFA#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 R5F104LLGFA#30?
For technical support, including R5F104LLGFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LLGFA#30 requirements.
6.How does Aetrix verify that R5F104LLGFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F104LLGFA#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 R5F104LLGFA#30 meets industry standards.
7.What is the process for return or replacement of R5F104LLGFA#30?
All R5F104LLGFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LLGFA#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 R5F104LLGFA#30 part is unused and in its original packaging.
Return procedure for R5F104LLGFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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