Renesas R5F10RLAGFA#50
- Part No.:
- R5F10RLAGFA#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F10RLAGFA#50.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,000
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Product details
Overview
R5F10RLAGFA#50 from Renesas is a 64-pin LFQFP-packaged 16-bit RL78/L12 microcontroller with 32 KB flash, 2 KB data flash, 1.5 KB RAM, integrated LCD controller/driver (39 seg × 4 com or 35 seg × 8 com), and ultra-low-power operation (0.64 µA in RTC+LVD halt mode). It targets battery-powered LCD display systems such as smart meters, thermostats, and industrial HMI panels.
For engineers reviewing the R5F10RLAGFA#50 datasheet, R5F10RLAGFA#50 pinout, R5F10RLAGFA#50 application, or R5F10RLAGFA#50 equivalent, key selection criteria include its 24 MHz high-speed on-chip oscillator (±1% accuracy), 10-channel 10-bit ADC supporting 1.6 V operation, integrated buzzer output (PCLBUZ0/PCLBUZ1), and IEC/UL 60730 safety features including RAM parity and flash CRC.
Technical Context
The R5F10RLAGFA#50 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and CISC instruction set delivering 31 DMIPS at 24 MHz. Its low-power design supports multiple sleep modes - Stop (0.23 µA), Halt (0.64 µA with RTC + LVD), and snooze - enabling extended battery life in always-on LCD applications.
It integrates a full-featured LCD controller supporting capacitor split, internal voltage boost, and resistance division drive methods; configurable contrast (16 steps); blinking control; and waveform A/B selection. The peripheral set includes UART, two CSI (SPI-compatible) interfaces, I²C, 8-channel timer array, real-time clock with calendar/alarm, and DMA for efficient data movement between peripherals and memory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 16-bit RL78 CPU, 31 DMIPS @ 24 MHz, 86% instructions execute in 1–2 cycles |
| Memory | 32 KB code flash (1 KB blocks), 2 KB data flash (1M erase cycles), 1.5 KB RAM with backup retention |
| Power | 1.6 V to 5.5 V supply; 0.64 µA Halt mode (RTC + LVD enabled); 62.5 µA/MHz active |
| LCD Support | Up to 35 seg × 8 com or 39 seg × 4 com; 3 drive methods; 16-step contrast; blink control |
| Analog | 10-bit ADC, 10 channels, 2.1 µs conversion, 1.6 V min input, internal 1.45 V reference, on-chip temp sensor |
| Safety | IEC/UL 60730 compliance: flash CRC, RAM parity, SFR write protection, illegal access detection |
| Package | 64-pin LFQFP, 10 mm × 10 mm, 0.5 mm pitch, industrial grade (−40°C to +105°C) |
Pinout & Package
64-pin plastic LFQFP (10 × 10 mm, 0.5 mm pitch), industrial temperature grade (−40°C to +105°C), with EVDD/EVSS power/ground separation for noise-sensitive LCD operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00 | Serial Clock Input/Output | Primary CSI00 clock; also used for SEG28 LCD segment output |
| P11/SI00/RxD0 | Serial Data Input / UART RX | Dual-function pin: SPI data input or UART receive; also SEG29 LCD segment |
| P12/SO00/TxD0 | Serial Data Output / UART TX | Dual-function pin: SPI data output or UART transmit; also SEG30 LCD segment |
| P30/TI01/TO01 | Timer Input/Output | General-purpose timer channel; also SEG19 LCD segment output |
| P60/SCLA0 | I²C Serial Clock | I²C bus clock line; also SEG21 LCD segment output |
| P140/TO00/PCLBUZ0 | Timer Output / Buzzer | Programmable clock/buzzer output; also SEG27 LCD segment and INTP6 interrupt input |
| COM0–COM7 | LCD Common Outputs | Eight independent common electrode drivers for multiplexed LCD biasing |
| VL1–VL4 | LCD Voltage Supplies | Four dedicated LCD bias rails supporting internal boost or external resistor-divider configurations |
| REGC | Regulator Capacitor | Connect 0.47–1 µF capacitor to VSS to stabilize internal voltage regulator for LCD circuitry |
| EVDD/EVSS | Noise-isolated Power/Ground | Separate analog power/ground pins recommended for clean LCD segment driving and reduced EMI |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-Low-Power Halt Mode | 0.64 µA with RTC and LVD active - enables multi-year battery life in metering and thermostat applications |
| Integrated LCD Driver | Supports 35×8 or 39×4 segment configurations with programmable waveform, contrast, and blink timing - eliminates external LCD driver IC |
| On-Chip High-Speed Oscillator | 24 MHz ±1% over voltage (1.8–5.5 V) and temperature (−20°C to 85°C) - removes need for external crystal in cost-sensitive designs |
| Hardware Safety Functions | RAM parity checking, flash CRC calculation, SFR write protection, and illegal memory access detection - meets IEC/UL 60730 Class B requirements |
| Flexible Peripheral Redirection | Peripheral I/O redirection register (PIOR) allows dynamic assignment of functions like UART, CSI, or timers to alternate pins - improves PCB layout flexibility |
Applications
| Smart Energy Meter | Industrial Thermostat |
|---|---|
Use Scenario: Battery- or line-powered utility meter with segmented LCD display showing kWh, tariff, and time-of-use data. IC Role / Device Role / Timing Role: Primary system controller executing metering firmware, managing LCD refresh, reading metrology IC via SPI/I²C, and maintaining real-time calendar. Use Value: Integrated LCD driver and ultra-low-power halt mode enable >10-year battery life; RTC with calendar/alarm supports time-based billing without external components. | Use Scenario: Wall-mounted HVAC controller with 4-digit LCD, temperature/humidity sensing, and relay control. IC Role / Device Role / Timing Role: Main MCU handling sensor ADC reads, PID loop execution, LCD update, keypad scanning (via KR0–KR3), and relay actuation. Use Value: 10-bit ADC with internal reference supports accurate sensor measurement; key return (KR) inputs simplify mechanical keypad interface; buzzer output provides audible feedback. |
| Medical Patient Monitor | Appliance Control Panel |
Use Scenario: Portable vital sign monitor displaying pulse rate, SpO₂, and battery status on monochrome LCD. IC Role / Device Role / Timing Role: System-on-chip managing optical sensor interface, signal processing, LCD rendering, and low-battery warning logic. Use Value: On-chip temperature sensor enables thermal compensation of optical readings; 1.6 V minimum ADC operation supports wide battery voltage range (e.g., 2×AA). | Use Scenario: Microwave oven or washing machine control panel with segmented LCD, touch keys, and motor/valve drivers. IC Role / Device Role / Timing Role: Central controller interpreting user input, sequencing appliance cycles, updating display, and monitoring safety interlocks. Use Value: IEC 60730 safety features allow self-test routines for RAM, flash, and peripherals - satisfies appliance functional safety requirements without external watchdog. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10RLCGFA#50 | Same package, pinout, and peripherals; differs only in flash size (16 KB vs. 32 KB) | Lower memory footprint required; suitable for simpler UI or smaller firmware | Select when application firmware fits within 16 KB and cost optimization is prioritized |
| R5F10RJCGFA#50 | 52-pin LQFP (10×10 mm, 0.65 mm pitch); same 32 KB flash, 2 KB data flash, and LCD capability but fewer I/O (48 vs. 58 total pins) | Smaller PCB footprint needed; reduced LCD segment count (30 seg vs. 39 seg) and fewer timer/interrupt channels | Choose for space-constrained designs where full 64-pin I/O and LCD capacity are unnecessary |
Compared with R5F10RLCGFA#50, the R5F10RLAGFA#50 provides double the code flash for complex UI or communication stacks; versus R5F10RJCGFA#50, it delivers 11 additional I/O pins and expanded LCD support (39 seg vs. 30 seg), enabling richer displays and more sensor/actuator integration.
Availability
R5F10RLAGFA#50 is available at Aetrix Electronics and suitable for smart energy meters, industrial thermostats, and medical patient monitors requiring stable component supply across long product lifecycles.
Supply support for R5F10RLAGFA#50 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/L12 product line is engineered for ultra-low-power LCD-based applications - integrating high-efficiency CPU, precision analog, robust safety features, and flexible display control in a single chip.
FAQ
What is the maximum operating frequency and power consumption of the R5F10RLAGFA#50?
The R5F10RLAGFA#50 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS. In active mode, it consumes 62.5 µA per MHz; in Halt mode with RTC and LVD enabled, it draws just 0.64 µA - optimized for battery longevity in always-on LCD applications.
Does the R5F10RLAGFA#50 support external crystals, and what are the clock options?
Yes, the R5F10RLAGFA#50 supports external crystals on X1/X2 (main system clock) and XT1/XT2 (subsystem clock). It also includes an internal high-speed oscillator (24 MHz ±1%) and low-speed oscillator (15 kHz), enabling flexible clock sourcing without external components in cost-sensitive designs.
How many LCD segments and commons does the R5F10RLAGFA#50 support, and what drive methods are available?
The R5F10RLAGFA#50 supports up to 39 segment outputs and 8 common outputs, configurable as 35 seg × 8 com or 39 seg × 4 com. It supports three LCD drive methods: capacitor split, internal voltage boost, and external resistance division - allowing optimization for display type, power budget, and bill-of-materials.
What safety certifications or built-in features does the R5F10RLAGFA#50 provide for industrial applications?
The R5F10RLAGFA#50 includes hardware-level safety features compliant with IEC/UL 60730 Class B: flash memory CRC calculation, RAM parity error detection, SFR write protection, illegal memory access detection, clock frequency monitoring, and ADC self-test - enabling certified functional safety without external supervision circuits.
Is the R5F10RLAGFA#50 pin-compatible with other RL78/L12 variants, and what package options exist?
The R5F10RLAGFA#50 uses a 64-pin LFQFP (10×10 mm, 0.5 mm pitch) package. It shares identical pinout and functionality with other R5F10RLx variants in the same package (e.g., R5F10RLCGFA#50), but is not pin-compatible with 32-, 44-, 48-, or 52-pin RL78/L12 devices due to differing pin counts and I/O allocations.
R5F10RLAGFA#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/L12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 39
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10RLAGFA#50 FAQ
1.How can I place an order for R5F10RLAGFA#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10RLAGFA#50 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 R5F10RLAGFA#50 reliable?
The price and inventory of R5F10RLAGFA#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10RLAGFA#50 is usually 5 days.
3.What payment methods are accepted for R5F10RLAGFA#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10RLAGFA#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10RLAGFA#50?
R5F10RLAGFA#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10RLAGFA#50 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 R5F10RLAGFA#50?
For technical support, including R5F10RLAGFA#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10RLAGFA#50 requirements.
6.How does Aetrix verify that R5F10RLAGFA#50 is sourced from the original manufacturer or authorized distributors?
All R5F10RLAGFA#50 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 R5F10RLAGFA#50 meets industry standards.
7.What is the process for return or replacement of R5F10RLAGFA#50?
All R5F10RLAGFA#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10RLAGFA#50, 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 R5F10RLAGFA#50 part is unused and in its original packaging.
Return procedure for R5F10RLAGFA#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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