Renesas R5F104GLAFB#10
- Part No.:
- R5F104GLAFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F104GLAFB#10.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,000
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Product details
Overview
R5F104GLAFB#10 from Renesas is a 48-pin LFQFP, 128 KB flash, 12 KB RAM RL78/G14 16-bit MCU with ultra-low power consumption (66 μA/MHz), integrated 10-bit ADC (20 channels), RTC, and LIN-capable UARTs - deployed in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F104GLAFB#10 datasheet, R5F104GLAFB#10 pinout, R5F104GLAFB#10 application, or R5F104GLAFB#10 equivalent, key selection criteria include industrial-grade temperature range (−40°C to +105°C), 48-pin LFQFP 0.5 mm pitch package compatibility, on-chip data flash (8 KB) with 1M rewrite cycles, and hardware event linking via ELC for deterministic peripheral coordination.
Technical Context
The R5F104GLAFB#10 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 ultra-low-power mode). It integrates a Data Transfer Controller (DTC) with chain transfer and background operation during data flash rewriting.
Its Event Link Controller (ELC) enables direct hardware-level signal routing among up to 26 peripheral events without CPU intervention, while the 16-bit Timer Array Unit (TAU) provides 8 channels for PWM, input capture, and interval timing - all operating under the same low-power HALT/STOP/SNOOZE modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide instructions |
| Flash Memory | 128 KB code flash with 1 KB block size, security lock, and self-programming support |
| Data Flash | 8 KB on-chip data flash with background operation (BGO) and 1,000,000 write cycles |
| RAM | 12 KB on-chip RAM, including dedicated areas for flash library execution |
| ADC | 10-bit resolution, 20-channel SAR ADC with internal 1.45 V reference and temperature sensor |
| Operating Temp | −40°C to +105°C (industrial G-grade), enabling use in motor drives and factory automation |
| Supply Voltage | 1.6 V to 5.5 V single supply, supporting direct interface with 1.8 V, 2.5 V, and 3.3 V peripherals |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), RoHS-compliant, industrial-grade thermal performance (θJA = 45°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK11/SCL11/TRDIOD1 | Shared SPI clock/I²C clock/trace data input - configurable per peripheral I/O redirection register |
| P16 | TI01/TO01/INTP5/TRDIOC0/IVREF0 | Timer input/output with interrupt capability and internal voltage reference output |
| P22 | ANI2/ANO0 | Analog input channel 2 or analog output channel 0 - selectable via register configuration |
| P60 | SCLA0 | I²C bus clock line for channel 0, supports standard/fast-mode (100/400 kHz) |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or watchdog timeout |
| VDD / VSS | Power supply / ground | Dual power domains: analog (AVDD/AVSS) and digital (DVDD/DVSS) internally separated |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT mode | 66 μA/MHz active current enables >10-year battery life in periodic-sensing applications |
| On-chip RTC with calendar | 99-year calendar, alarm, and clock correction - operates in STOP mode with only 0.60 μA draw |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining eliminates CPU polling overhead and reduces latency by up to 3× |
| LIN-capable UART | UART channels support LIN 2.2 physical layer compliance for automotive body electronics integration |
| Self-programmable flash | Boot swapping and flash shield window enable secure firmware updates without external programmer |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed regulation of BLDC fans in HVAC systems with thermal feedback. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation via TAU, and sampling 6-phase current via ADC. Use Value: 128 KB flash stores dual-motor control firmware; SNOOZE mode reduces idle current to sub-μA during standby intervals. | Use Scenario: Wireless environmental monitor with temperature/humidity/pressure sensing and BLE gateway interface. IC Role / Device Role / Timing Role: Sensor hub aggregating data from I²C/UART sensors, performing calibration, and triggering wake-on-event. Use Value: Integrated 10-bit ADC with internal reference eliminates external precision references; RTC maintains time-stamped logs across power cycles. |
| Factory Automation I/O Module | Energy Metering Front-End |
Use Scenario: DIN-rail mounted digital I/O expansion unit with opto-isolated inputs and relay drivers. IC Role / Device Role / Timing Role: Real-time GPIO manager with programmable debounce, edge-triggered interrupts, and watchdog supervision. Use Value: 48-pin LFQFP provides sufficient I/O (up to 38 usable pins) while maintaining layout density; ELC routes input edges directly to timer capture without CPU load. | Use Scenario: Residential smart meter measuring voltage/current via shunt/CT and computing kWh using metrology algorithms. IC Role / Device Role / Timing Role: Metrology co-processor handling ADC sampling synchronization, RMS calculation, and tamper detection logic. Use Value: 20-channel ADC supports simultaneous sampling of multiple phases; data flash stores calibration coefficients with 1M-cycle endurance for lifetime field recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104GKAFB#10 | Same 48-pin LFQFP package, but 256 KB flash and 24 KB RAM - no change in peripheral set or clock specs | Preferred where firmware growth headroom or larger data buffers (e.g., OTA update staging) are required | Select when future firmware scalability or extended data logging is anticipated; pinout and software are identical |
| R5F104GLGFB#10 | Identical flash/RAM/peripherals, but G-grade industrial temp (−40°C to +105°C) and LFQFP package - differs only in marking and test screening | Used in same industrial environments but requires validation for full temperature range compliance | Choose for applications requiring full industrial qualification documentation and traceable lot-level testing |
Compared with R5F104GKAFB#10 and R5F104GLGFB#10, the R5F104GLAFB#10 offers optimal balance of memory resources and cost for fixed-function industrial controllers, with identical pinout and peripheral availability - making it ideal for volume production where feature set is stable and thermal margin is verified.
Availability
R5F104GLAFB#10 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, factory automation I/O modules, and energy metering front-ends requiring stable component supply across extended product lifecycles.
Supply support for R5F104GLAFB#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, and power solutions for industrial, automotive, and infrastructure markets.
The RL78/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and thermally constrained industrial applications - emphasizing ultra-low active/idle current and integrated analog peripherals.
FAQ
What is the maximum operating frequency and corresponding current consumption of the R5F104GLAFB#10?
The R5F104GLAFB#10 operates up to 32 MHz with a typical active current of 66 μA/MHz at VDD = 3.3 V and TA = 25°C. At full speed, this equates to ~2.1 mA total active current. Its ultra-low-power STOP mode draws just 0.60 μA when only RTC and LVD remain active - a critical specification for long-life battery applications. The R5F104GLAFB#10 achieves this via adaptive clock gating and segmented power domain control.
Does the R5F104GLAFB#10 support in-system programming and secure firmware updates?
Yes, the R5F104GLAFB#10 supports full in-system programming via its on-chip debug interface and boot swapping functionality. It includes a flash shield window to restrict access to protected memory regions during runtime, and block-erase prohibition prevents unauthorized reprogramming of secured sectors. These features enable secure over-the-air (OTA) updates and field firmware recovery without requiring external programmers - a core capability built into the R5F104GLAFB#10's flash controller.
How many serial communication interfaces does the R5F104GLAFB#10 integrate, and what protocols are supported?
The R5F104GLAFB#10 integrates three UART channels (one supporting LIN 2.2), up to ten I²C/simplified I²C channels, and three to eight CSI (SPI-compatible) channels - all configurable via peripheral I/O redirection registers. No hardware CAN or USB is present. This mix supports sensor networks (I²C), motor control feedback (UART/LIN), and display interfaces (CSI), making the R5F104GLAFB#10 suitable for multi-protocol industrial edge nodes without external bridge ICs.
What analog peripherals are included in the R5F104GLAFB#10, and how are they calibrated?
The R5F104GLAFB#10 includes a 10-bit SAR ADC with 20 input channels, an internal 1.45 V reference voltage, and an integrated temperature sensor. It also features two comparator channels and an 8-bit D/A converter with real-time output capability. Factory calibration data for ADC offset/gain and temperature sensor slope is stored in ROM and automatically applied during initialization - eliminating need for external calibration in most R5F104GLAFB#10 deployments.
Is the R5F104GLAFB#10 pin-compatible with other RL78/G14 variants in the same package?
Yes, all RL78/G14 devices in the 48-pin LFQFP (FB) package - including R5F104GLAFB#10, R5F104GKAFB#10, and R5F104GLGFB#10 - share identical pinouts, electrical characteristics, and peripheral mappings. Firmware and PCB designs are fully interchangeable across these variants; differences are limited to flash/RAM capacity and screening grade - confirmed in Renesas' official RL78/G14 ordering information tables and package drawings for R5F104GLAFB#10.
R5F104GLAFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 34
- 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):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104GLAFB#10 FAQ
1.How can I place an order for R5F104GLAFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104GLAFB#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 R5F104GLAFB#10 reliable?
The price and inventory of R5F104GLAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104GLAFB#10 is usually 5 days.
3.What payment methods are accepted for R5F104GLAFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104GLAFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104GLAFB#10?
R5F104GLAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104GLAFB#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 R5F104GLAFB#10?
For technical support, including R5F104GLAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104GLAFB#10 requirements.
6.How does Aetrix verify that R5F104GLAFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F104GLAFB#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 R5F104GLAFB#10 meets industry standards.
7.What is the process for return or replacement of R5F104GLAFB#10?
All R5F104GLAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104GLAFB#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 R5F104GLAFB#10 part is unused and in its original packaging.
Return procedure for R5F104GLAFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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