Renesas R5F10RLAGFB#V0
- Part No.:
- R5F10RLAGFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F10RLAGFB#V0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 64LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F10RLAGFB#V0 from Renesas is a 64-pin LFQFP (10 × 10 mm, 0.5 mm pitch), industrial-grade (−40°C to +105°C) RL78/L12 16-bit MCU with 32 KB flash, 2 KB data flash, 1.5 KB RAM, integrated LCD controller/driver supporting up to 39 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 and portable medical devices.
For engineers reviewing the R5F10RLAGFB#V0 datasheet, R5F10RLAGFB#V0 pinout, R5F10RLAGFB#V0 application, or R5F10RLAGFB#V0 equivalent, key selection criteria include its on-chip LCD drive capability, 24 MHz high-speed on-chip oscillator (±1% accuracy), 10-bit ADC with internal reference, and IEC 60730-compliant safety features for functional safety-critical embedded designs.
Technical Context
The R5F10RLAGFB#V0 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 including Stop (0.23 µA RAM-retained) and Halt (0.64 µA with RTC + LVD enabled), plus snooze mode for selective peripheral wake-up without full CPU restart.
It integrates a full-featured LCD controller supporting capacitor split, internal voltage boost, and resistance division methods; real-time clock with calendar/alarm; 8-channel 16-bit timer array; UART, I²C, and two CSI interfaces; and hardware CRC engine for flash integrity verification per IEC 60730 Class B requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline, 31 DMIPS @ 24 MHz |
| Flash / Data Flash / RAM | 32 KB code flash, 2 KB data flash (1M erase cycles), 1.5 KB RAM with backup retention |
| Operating Voltage | 1.6 V to 5.5 V single supply - enables direct battery operation (e.g., 2×AA or Li-ion) |
| Low-Power Modes | Halt mode draws 0.64 µA with RTC + LVD active; Stop mode draws 0.23 µA with RAM retained |
| LCD Drive Capability | Supports up to 39 segment × 8 common outputs via internal boost or capacitor-split method |
| Analog Peripherals | 10-bit ADC with 10 channels, 2.1 µs conversion time, internal 1.45 V reference, and on-chip temperature sensor |
| Safety Features | RAM parity check, SFR write protection, illegal memory access detection, and flash CRC calculation per IEC 60730 |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.5 mm pitch), industrial temperature grade (−40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Main system crystal input | Connects to 1–20 MHz crystal for precise timing; required for ±100 ppm accuracy |
| P122 / X2 / EXCLK | Main system crystal output / external clock input | Drives crystal; accepts external clock if bypassing crystal oscillator |
| P123 / XT1 | Subsystem crystal input (32.768 kHz) | Feeds RTC and low-power subsystem clock; enables calendar functions during Halt mode |
| P124 / XT2 / EXCLKS | Subsystem crystal output / external subsystem clock input | Completes 32.768 kHz crystal circuit or accepts external low-frequency clock |
| P126 / CAPL, P127 / CAPH | LCD capacitor terminals | Connect external capacitors for capacitor-split LCD bias generation (low power, no boost) |
| P140 / TO00 / PCLBUZ0 / SEG27 | Timer output / buzzer / LCD segment | Configurable as PWM timer output, programmable buzzer tone generator, or LCD segment driver |
| P31 / INTP3 / RTC1HZ | RTC 1 Hz output / interrupt pin | Provides precise 1 Hz square wave for real-time clock display or wake-up trigger |
| REGC | Voltage regulator decoupling | Must be connected to VSS via 0.47–1 µF capacitor to stabilize internal 1.25 V regulator |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power LCD operation | 0.12 µA LCD current (capacitor-split method) enables multi-year battery life in static display applications |
| On-chip high-accuracy oscillator | 24 MHz on-chip oscillator with ±1% accuracy across 1.8–5.5 V and −20°C to +85°C eliminates external crystal cost and board space |
| Integrated safety mechanisms | Dedicated hardware CRC engine, RAM parity, and illegal access detection satisfy IEC 60730 Class B self-test requirements |
| Flexible LCD configuration | Software-selectable drive methods (capacitor split, internal boost, resistor division) adapt to panel voltage and contrast needs |
| Background data flash operation | Data flash erases/programs while CPU executes from main flash - enables seamless firmware updates and logging |
Applications
| Smart Energy Meter | Portable Medical Device |
|---|---|
|
Use Scenario: Battery-powered electricity meter with segmented LCD showing kWh, tariff, and time-of-use data. IC Role / Device Role / Timing Role: Primary system controller executing metrology firmware, driving 4-line LCD, managing RTC calendar, and handling secure communication via UART/I²C. Use Value: 0.64 µA Halt mode extends 10-year battery life; integrated LCD driver reduces BOM by eliminating external segment drivers. |
Use Scenario: Handheld blood glucose monitor with LCD readout, button interface, and USB/UART diagnostics. IC Role / Device Role / Timing Role: Main MCU managing analog signal acquisition (ADC), LCD display, keypad scanning (KR0–KR3), and real-time timestamping of test results. Use Value: On-chip 10-bit ADC with internal reference ensures consistent measurement accuracy; 1.6 V minimum supply allows operation down to near-dead battery voltage. |
| Industrial Control Panel | Home Appliance Display |
|
Use Scenario: DIN-rail mounted HVAC controller with 4-digit LCD, temperature sensors, and relay control. IC Role / Device Role / Timing Role: Real-time system controller running control loop, updating LCD every 500 ms, monitoring fault conditions via LVD, and logging events to data flash. Use Value: −40°C to +105°C rating ensures reliability in unconditioned enclosures; data flash endurance (1 million cycles) supports long-term event logging. |
Use Scenario: Microwave oven or washing machine front-panel display with animated icons and timer countdown. IC Role / Device Role / Timing Role: Dedicated display controller handling multiplexed LCD drive, buzzer feedback (PCLBUZ0), key scan (KR0–KR3), and RTC-based cooking timers. Use Value: Integrated buzzer output eliminates external driver; LCD blinking and contrast adjustment (16 steps) enable dynamic UI effects without software overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10RLCGFB#V0 | Same package, pinout, and peripherals; differs only in flash size (16 KB vs. 32 KB) | Lower memory footprint suits simpler UIs or fixed-function appliances with minimal firmware | Select when application firmware fits within 16 KB and cost sensitivity outweighs future upgrade headroom |
| R5F10RJCGFA#V0 | 52-pin LQFP (10 × 10 mm, 0.65 mm pitch); same 32 KB flash but fewer I/O (48 total pins vs. 58) and reduced LCD segment count (30 seg × 8 com) | Targeted at space-constrained designs where full 64-pin I/O and LCD drive are unnecessary | Choose for compact PCB layouts where 64-pin LFQFP is impractical and LCD complexity is ≤30 segments |
Compared with R5F10RLAGFB#V0, R5F10RLCGFB#V0 offers identical industrial-grade operation and peripherals at lower memory cost, while R5F10RJCGFA#V0 trades pin count and LCD capacity for smaller footprint - enabling optimization for cost, size, or memory requirements without sacrificing core RL78/L12 low-power functionality.
Availability
R5F10RLAGFB#V0 is available at Aetrix Electronics and suitable for smart energy meters, portable medical devices, industrial control panels, and home appliance displays requiring stable component supply across extended product lifecycles.
Supply support for R5F10RLAGFB#V0 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 automotive, industrial, and IoT markets.
The RL78/L12 product line delivers true low-power performance for LCD-based applications, integrating an on-chip LCD controller, ultra-low standby current, and functional safety features targeting battery-operated and safety-certified embedded systems.
FAQ
What is the maximum operating frequency and power consumption of the R5F10RLAGFB#V0?
The R5F10RLAGFB#V0 operates at up to 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS. In active mode, it consumes 62.5 µA/MHz; in Halt mode with RTC and LVD enabled, it draws just 0.64 µA. This ultra-low-power profile makes R5F10RLAGFB#V0 ideal for battery-powered LCD applications requiring multi-year operation.
Does the R5F10RLAGFB#V0 support IEC 60730 functional safety compliance?
Yes, the R5F10RLAGFB#V0 includes hardware-level safety features required for IEC 60730 Class B compliance: flash memory CRC calculation, RAM parity error detection, SFR write protection, illegal memory access detection, clock frequency monitoring, and ADC self-test. These features are implemented in silicon and documented in the R5F10RLAGFB#V0 safety manual.
How many LCD segments and commons does the R5F10RLAGFB#V0 support?
The R5F10RLAGFB#V0 supports up to 39 segment outputs and 8 common outputs (39 × 8 configuration), or alternatively 35 × 8 or 39 × 4 depending on drive method selection. This is enabled by its integrated LCD controller/driver with configurable capacitor-split, internal voltage boost, and resistance division methods - all supported natively by the R5F10RLAGFB#V0.
What development tools are compatible with the R5F10RLAGFB#V0?
The R5F10RLAGFB#V0 is fully supported by Renesas' CS+ IDE, e² studio, and the E2 emulator. It also works with the RL78/L12 Target Board (YRDKRL78L12) and the Renesas Starter Kit for RL78/L12. All toolchains provide debugging, flash programming, and peripheral configuration utilities specifically validated for the R5F10RLAGFB#V0 device.
What is the difference between R5F10RLAGFB#V0 and R5F10RLCGFB#V0?
The R5F10RLAGFB#V0 and R5F10RLCGFB#V0 share identical package (64-pin LFQFP), pinout, peripherals, temperature grade (−40°C to +105°C), and feature set - the sole difference is flash memory size: R5F10RLAGFB#V0 has 32 KB code flash, while R5F10RLCGFB#V0 has 16 KB. Both parts use the same R5F10RLx series silicon and are drop-in replacements except for memory capacity.
R5F10RLAGFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/L12
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 47
- 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:
R5F10RLAGFB#V0 FAQ
1.How can I place an order for R5F10RLAGFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10RLAGFB#V0 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 R5F10RLAGFB#V0 reliable?
The price and inventory of R5F10RLAGFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10RLAGFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F10RLAGFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10RLAGFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10RLAGFB#V0?
R5F10RLAGFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10RLAGFB#V0 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 R5F10RLAGFB#V0?
For technical support, including R5F10RLAGFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10RLAGFB#V0 requirements.
6.How does Aetrix verify that R5F10RLAGFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F10RLAGFB#V0 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 R5F10RLAGFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F10RLAGFB#V0?
All R5F10RLAGFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10RLAGFB#V0, 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 R5F10RLAGFB#V0 part is unused and in its original packaging.
Return procedure for R5F10RLAGFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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