Renesas R5F104LGAFP#10
- Part No.:
- R5F104LGAFP#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LGAFP#10.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:720
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Product details
Overview
R5F104LGAFP#10 from Renesas is a 64-pin LQFP-0.65mm MCU in the RL78/G14 family, featuring 512 KB flash, 48 KB RAM, and 8 KB data flash. It delivers 44 DMIPS at 32 MHz with true low-power operation (66 μA/MHz active, 0.60 μA RTC+LVD), targeting industrial control, sensor hubs, and battery-powered HMI systems.
For engineers reviewing the R5F104LGAFP#10 datasheet, R5F104LGAFP#10 pinout, R5F104LGAFP#10 application, or R5F104LGAFP#10 equivalent, key selection criteria include its -40°C to +105°C industrial-grade temperature range (G-suffix), integrated RTC with calendar/alarm, 20-channel 10-bit ADC, dual UART/LIN support, and hardware DTC/ELC for deterministic peripheral event handling.
Technical Context
The R5F104LGAFP#10 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). Its power management includes HALT, STOP, and SNOOZE modes, plus on-chip LVD with 14 selectable voltage thresholds and POR circuitry.
Peripheral integration includes Timer Array Unit (TAU) with up to 8 channels, 12-bit interval timer, real-time clock with 99-year calendar, watchdog timer, and Event Link Controller enabling direct hardware linking of 19–26 event sources to peripherals without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide instructions |
| Max Clock | 32 MHz (44 DMIPS); high-accuracy on-chip oscillator ±1.0% over -20 to +85°C |
| Memory | 512 KB code flash (1 KB blocks), 48 KB RAM, 8 KB data flash with 1M rewrite cycles |
| ADC | 10-bit resolution, 20 analog inputs, internal 1.45 V reference and temperature sensor |
| Timers | 8× 16-bit TAU channels, 1× 12-bit interval timer, 1× RTC with calendar/alarm/correction |
| Serial I/O | 3× UART/LIN, 4–10× I²C, 3–8× CSI (SPI-compatible), all configurable via ELC |
| Power Range | 1.6 V to 5.5 V supply; 66 μA/MHz active current; 0.60 μA in RTC+LVD-only mode |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm body, 0.65 mm pitch, JEDEC standard PLQP0064JA-A footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P01 | General-purpose I/O / Analog input (ANI16–17) | Support TTL input buffer, N-ch open drain, pull-up; connect to 1.8/2.5/3 V devices |
| P10–P17 | Multi-function serial I/O (CSI, UART, I²C, TRDIO) | Configurable peripherally via PIOR registers; supports LIN bus framing on UART channels |
| P20–P27 | Analog input group (ANI0–7) / AVREFP/AVREFM | Dedicated analog domain pins with internal reference voltage and temperature sensor interface |
| P30–P31 | Interrupt/timer I/O (INTP0–5, TI00–TI03, TO00–TO03) | Edge-triggered interrupts with priority levels; timer capture/compare with PCLBUZ0/1 support |
| P60–P62 | I²C/SPI/SSI interfaces (SCLA0, SDAA0, SSI00) | Hardware-accelerated serial communication; SSI supports synchronous serial data transfer |
| P121–P124 | Crystal oscillator inputs (X1/X2) and external clock (XT1/XT2/EXCLKS) | Supports 32.768 kHz crystal for RTC and up to 20 MHz external clock for main system clock |
| RESET, REGC, VDD, VSS | Reset control, regulator capacitor, power rails | REGC requires 0.47–1 µF capacitor to VSS; RESET is active-low with internal pull-up |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP/SNOOZE modes | Enables sub-µA system sleep states while retaining RTC and LVD functionality |
| Data flash background operation (BGO) | Allows full CPU execution from program memory during data flash erase/write sequences |
| Event Link Controller (ELC) | Eliminates CPU polling by directly routing 19–26 peripheral events to target functions |
| On-chip debug with flash shield window | Enables secure firmware updates and prevents unauthorized read-out of protected flash regions |
| Dual UART with LIN protocol support | Reduces BOM cost by integrating LIN transceiver-level timing and frame formatting in silicon |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with thermal monitoring and field-oriented control. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, reading 20-channel ADC (current/voltage/temp), generating PWM via TAU, and communicating via UART/LIN. Use Value: 44 DMIPS compute headroom, 10-bit ADC accuracy across full 1.6–5.5 V supply range, and deterministic ELC-triggered PWM updates ensure <1 µs jitter. | Use Scenario: Battery-powered environmental sensor hub aggregating temperature, humidity, and gas readings. IC Role / Device Role / Timing Role: Low-power data concentrator with RTC-triggered wake-up, ADC sampling, I²C sensor interfacing, and UART telemetry upload. Use Value: 0.60 μA RTC+LVD retention current extends 10-year battery life; BGO enables seamless sensor data logging during flash writes. |
| Human-Machine Interface | Building Automation Panel |
Use Scenario: Touch-enabled HVAC control panel with LED backlighting and buzzer feedback. IC Role / Device Role / Timing Role: UI processor managing capacitive touch sensing, driving 2× 8-bit DAC outputs for LED dimming, and generating buzzer tones via PCLBUZ0/1. Use Value: Integrated 2-channel 8-bit DAC eliminates external DAC IC; on-chip key interrupt and buzzer output controller reduce component count. | Use Scenario: DIN-rail mounted lighting and HVAC controller with RS-485 gateway capability. IC Role / Device Role / Timing Role: Protocol bridge converting Modbus RTU (UART) to BACnet MS/TP (via external transceiver), with RTC-based scheduling and EEPROM emulation in data flash. Use Value: 8 KB data flash with 1M write cycles provides reliable non-volatile storage for configuration and event logs without external EEPROM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LLAFP#10 | Same 64-pin LQFP package, identical 512 KB flash/48 KB RAM, but rated for -40°C to +85°C (D-suffix) instead of +105°C | Not qualified for extended industrial ambient; unsuitable where cabinet temperatures exceed 85°C | Select when operating environment stays ≤85°C and cost optimization is prioritized over extended temp grade |
| R5F104LGAFB#30 | Identical electrical specs and memory, but in 64-pin LFQFP (0.5 mm pitch, PLQP0064KF-A) instead of LQFP (0.65 mm pitch) | Requires PCB layout change due to different land pattern and smaller pitch; no pinout difference | Choose only if board space constraints necessitate finer-pitch packaging and rework is acceptable |
Compared with R5F104LLAFP#10 and R5F104LGAFB#30, the R5F104LGAFP#10 uniquely combines extended +105°C operation with the more manufacturable 0.65 mm pitch LQFP, making it optimal for thermally demanding industrial panels where assembly yield and long-term reliability are critical.
Availability
R5F104LGAFP#10 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interfaces, building automation panels, and battery-powered telemetry systems requiring stable component supply across extended temperature ranges.
Supply support for R5F104LGAFP#10 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 ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications requiring high integration, robust timing, and long battery life.
FAQ
What is the maximum operating temperature specification for the R5F104LGAFP#10?
The R5F104LGAFP#10 is rated for industrial operation from -40°C to +105°C (G-suffix), validated across the full range for flash programming, ADC accuracy, and real-time clock stability. This makes the R5F104LGAFP#10 suitable for enclosed control cabinets and outdoor equipment where ambient heat buildup exceeds +85°C.
Does the R5F104LGAFP#10 support hardware-based LIN bus communication?
Yes, the R5F104LGAFP#10 integrates LIN protocol support directly into its UART peripherals, enabling automatic LIN header detection, checksum generation, and response timing without CPU overhead. This capability is confirmed in the R01DS0053EJ0370 datasheet Section 1.1 for UART channels used in LIN-bus applications.
How many analog input channels does the R5F104LGAFP#10 provide, and what is their resolution?
The R5F104LGAFP#10 provides up to 20 analog input channels with 10-bit resolution, operating across the full 1.6 V to 5.5 V supply range. It includes an internal 1.45 V reference voltage and integrated temperature sensor, both accessible through dedicated ANI pins as specified in the RL78/G14 datasheet Table 1-1 and Section 1.1.
Can the R5F104LGAFP#10 execute code while rewriting its data flash memory?
Yes, the R5F104LGAFP#10 supports Background Operation (BGO) for data flash, allowing full CPU instruction execution from program memory during erase and write cycles. This feature ensures uninterrupted real-time processing - for example, maintaining motor control loop timing while logging fault data - and is documented in Section 1.1 "Data Flash Memory" of the R01DS0053EJ0370 datasheet.
What is the purpose of the REGC pin on the R5F104LGAFP#10, and how must it be connected?
The REGC pin on the R5F104LGAFP#10 connects to an external 0.47 µF to 1 µF capacitor tied to VSS, stabilizing the internal voltage regulator for analog and RTC circuits. Per datasheet Caution on Page 9, failure to install this capacitor risks unstable ADC readings, RTC drift, and potential reset anomalies - a mandatory design requirement for all R5F104LGAFP#10 deployments.
R5F104LGAFP#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104LGAFP#10 FAQ
1.How can I place an order for R5F104LGAFP#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LGAFP#10 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 R5F104LGAFP#10 reliable?
The price and inventory of R5F104LGAFP#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LGAFP#10 is usually 5 days.
3.What payment methods are accepted for R5F104LGAFP#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LGAFP#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LGAFP#10?
R5F104LGAFP#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LGAFP#10 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 R5F104LGAFP#10?
For technical support, including R5F104LGAFP#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LGAFP#10 requirements.
6.How does Aetrix verify that R5F104LGAFP#10 is sourced from the original manufacturer or authorized distributors?
All R5F104LGAFP#10 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 R5F104LGAFP#10 meets industry standards.
7.What is the process for return or replacement of R5F104LGAFP#10?
All R5F104LGAFP#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LGAFP#10, 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 R5F104LGAFP#10 part is unused and in its original packaging.
Return procedure for R5F104LGAFP#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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