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Renesas R5F10RGAGFB#X0
- Part No.:
- R5F10RGAGFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F10RGAGFB#X0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,416
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Product details
Overview
R5F10RGAGFB#X0 from Renesas is a 48-pin LFQFP, industrial-grade (−40°C to +105°C) 16-bit RL78/L12 microcontroller with 32 KB flash, 2 KB data flash, 1.5 KB RAM, integrated LCD controller/driver (up to 35 seg × 8 com), and ultra-low-power operation (62.5 μA/MHz active, 0.64 μA in RTC+LVD halt mode). It targets battery-powered LCD display systems such as smart meters, thermostats, and portable medical devices.
For engineers reviewing the R5F10RGAGFB#X0 datasheet, R5F10RGAGFB#X0 pinout, R5F10RGAGFB#X0 application, or R5F10RGAGFB#X0 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, I²C/SPI/UART interfaces, and IEC 60730 safety features for Class B compliance.
Technical Context
The R5F10RGAGFB#X0 implements the RL78 16-bit CISC Harvard architecture with 3-stage pipeline, delivering 31 DMIPS at 24 MHz. Its CPU supports single-cycle 16×16 multiply and MAC operations, 16-bit barrel shift, and 1-wire on-chip debug.
It integrates a dedicated LCD controller supporting capacitor split, internal voltage boost, and resistance division methods; configurable segment/com output (up to 35×8), 16-step contrast control, and blinking. Power management includes POR, LVD (14 settings), and multiple low-power modes (Stop, Halt, Snooze) with RAM retention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CPU, 31 DMIPS @ 24 MHz - enables real-time control with low latency in resource-constrained LCD applications. |
| Memory | 32 KB code flash, 2 KB data flash, 1.5 KB RAM - supports firmware updates via background data flash and retains critical state during power loss. |
| Power Consumption | 62.5 μA/MHz active; 0.64 μA in RTC+LVD halt mode - extends battery life in always-on display systems beyond 10 years. |
| LCD Drive | Up to 35 seg × 8 com; capacitor split/internal boost/resistance division - eliminates external LCD bias ICs and reduces BOM cost. |
| Analog | 10-bit ADC, 10 channels, 2.1 μs conversion, 1.45 V internal reference - enables accurate sensor monitoring without external reference components. |
| Safety | CRC flash check, RAM parity, SFR write protection, illegal access detection - satisfies IEC 60730 Class B requirements for self-test and fault detection. |
| Operating Temp | −40°C to +105°C - qualified for industrial environments including HVAC controls and industrial panel meters. |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), industrial temperature grade (G).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Main system crystal input | Connects to 1–20 MHz crystal for precise timing; required for full-speed operation and RTC calibration. |
| P122 / X2 / EXCLK | Main system crystal output / external clock input | Completes crystal oscillator circuit or accepts external clock source up to 24 MHz. |
| P123 / XT1 | Subsystem crystal input (32.768 kHz) | Drives low-power RTC and calendar functions independently of main clock domain. |
| P126 / CAPL, P127 / CAPH | LCD capacitor terminals | Connect external capacitors for capacitor-split LCD bias generation - enables low-current LCD operation (0.12 μA). |
| VL1–VL4 | LCD power supply outputs | Four programmable LCD voltage taps support multi-level contrast and segment driving across wide VDD range (1.6–5.5 V). |
| COM0–COM7, SEG0–SEG35 | LCD common/segment drivers | Direct-drive outputs supporting up to 35×8 LCD configuration; no external driver IC needed. |
| REGC | Voltage regulator decoupling | Must connect 0.47–1 μF capacitor to VSS to stabilize internal LDO for analog and LCD circuits. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power LCD operation | 0.12 μA LCD current (capacitor split method) - enables decade-long battery life in coin-cell powered displays. |
| Integrated safety mechanisms | Hardware CRC, RAM parity, SFR write lock, and illegal memory access trap - reduces software certification effort for IEC 60730 Class B. |
| Flexible clock system | 24 MHz ±1% on-chip oscillator (1.8–5.5 V, −20°C to 85°C) - eliminates external crystal for cost-sensitive designs while maintaining timing integrity. |
| Configurable peripheral I/O | Peripheral I/O redirection register (PIOR) enables dynamic pin function remapping - simplifies PCB layout and supports design reuse across variants. |
| High-current GPIO | 20 mA sink/source per pin, 5 V tolerant - directly drives LEDs, buzzers (PCLBUZ0/1), and small relays without external buffers. |
Applications
| Smart Energy Metering | Industrial Thermostat Control |
|---|---|
|
Use Scenario: Battery-powered electricity/water/gas meter with segmented LCD display, real-time clock, tamper detection, and periodic wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing LCD refresh, timestamping events, and coordinating low-power sleep cycles. Use Value: Integrated RTC + LVD + ultra-low-power halt mode (0.64 μA) ensures >15-year battery life; on-chip LCD driver eliminates 3–5 external components. |
Use Scenario: Wall-mounted HVAC controller with 4-digit LCD, temperature/humidity sensing, relay actuation, and keypad interface. IC Role / Device Role / Timing Role: Central MCU handling sensor acquisition (ADC), LCD rendering, key scan (KR0–KR3), and relay timing via 16-bit timers. Use Value: 10-bit ADC with internal 1.45 V reference enables direct thermistor reading; 20 mA GPIO drives relays and backlight LEDs without drivers. |
| Portable Medical Device Display | Appliance Control Panel |
|
Use Scenario: Handheld blood glucose monitor or pulse oximeter with monochrome LCD, button interface, and USB charging status indication. IC Role / Device Role / Timing Role: System-on-chip managing sensor interface, LCD update, buzzer feedback (PCLBUZ0/1), and low-voltage warning (LVD). Use Value: Snooze mode allows fast wake-up from deep sleep for button press response; 1.6 V minimum operating voltage supports depleted battery operation. |
Use Scenario: Microwave oven or washing machine control panel with 8-segment LCD, membrane keypad, and motor/timer control. IC Role / Device Role / Timing Role: Dedicated UI controller handling key scanning (KR0–KR3), segment LCD drive, buzzer alerts, and timer-based cooking cycles. Use Value: Hardware LCD controller supports 35×8 segments - sufficient for multi-line text and icons; built-in interval timer manages precise cooking durations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10RGCGB#X0 | Same 48-pin LFQFP package, identical peripherals, but consumer-grade (−40°C to +85°C) and 32 KB flash only - no industrial temp rating. | Suitable for cost-sensitive consumer appliances where extended temperature range is not required. | Select when industrial temperature qualification is unnecessary and BOM cost is prioritized over environmental robustness. |
| R5F10RLAGFB#X0 | 64-pin LFQFP variant with same core, 32 KB flash, 1.5 KB RAM, but adds 10 extra GPIO, 3 more ADC channels, and 4 additional segment outputs (39 seg × 8 com). | Required for larger LCDs (e.g., 4-line alphanumeric) or systems needing more analog inputs and digital I/O. | Choose when expanding I/O count or LCD complexity beyond 35×8 while retaining identical firmware compatibility and safety features. |
Compared with R5F10RGAGFB#X0, R5F10RGCGB#X0 sacrifices industrial temperature range for lower cost, while R5F10RLAGFB#X0 provides scalable I/O and LCD capacity without changing toolchain or safety certification effort.
Availability
R5F10RGAGFB#X0 is available at Aetrix Electronics and suitable for smart metering, industrial thermostat control, and portable medical device applications requiring stable component supply, long-term lifecycle support, and industrial-temperature qualification.
Supply support for R5F10RGAGFB#X0 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 is engineered for ultra-low-power LCD-based applications, integrating specialized peripherals like LCD controllers, RTC, and safety features to reduce system-level BOM and accelerate time-to-market for battery-operated displays.
FAQ
What is the maximum LCD resolution supported by the R5F10RGAGFB#X0?
The R5F10RGAGFB#X0 supports up to 35 segment × 8 common outputs (or 39 seg × 4 com), enabling alphanumeric or icon-based displays with up to 280 segments. This configuration is confirmed in the RL78/L12 datasheet (R01DS0157EJ0223) for the 48-pin variant and matches the pinout and LCD controller capabilities of the R5F10RGAGFB#X0.
Does the R5F10RGAGFB#X0 include hardware safety features for IEC 60730 compliance?
Yes, the R5F10RGAGFB#X0 includes hardware-based safety features required for IEC 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 - all implemented in silicon without software overhead.
What are the power supply requirements for the R5F10RGAGFB#X0?
The R5F10RGAGFB#X0 operates from a single supply of 1.6 V to 5.5 V. The REGC pin requires a 0.47–1 μF capacitor to VSS for internal regulator stability. For noise-sensitive LCD operation, separate VDD/EVDD and VSS/EVSS connections are recommended per the datasheet guidelines.
Can the R5F10RGAGFB#X0 operate without an external crystal?
Yes, the R5F10RGAGFB#X0 features a high-speed on-chip oscillator rated at 24 MHz with ±1% accuracy across 1.8–5.5 V and −20°C to 85°C - sufficient for UART communication, LCD timing, and most control loops without external crystals. External crystals (X1/X2 or XT1/XT2) are optional for higher precision or RTC accuracy.
How many ADC channels does the R5F10RGAGFB#X0 support, and what is their resolution?
The R5F10RGAGFB#X0 integrates a 10-bit successive approximation ADC with up to 10 input channels (ANI0–ANI23, depending on pin mapping), 2.1 μs conversion time, and support for 1.6 V minimum supply - enabling direct sensor interfacing without external signal conditioning in most industrial and medical applications.
R5F10RGAGFB#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/L12
- Packaging:
- Tape & Reel (TR)
- 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:
- 33
- 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 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10RGAGFB#X0 FAQ
1.How can I place an order for R5F10RGAGFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10RGAGFB#X0 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 R5F10RGAGFB#X0 reliable?
The price and inventory of R5F10RGAGFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10RGAGFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F10RGAGFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10RGAGFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10RGAGFB#X0?
R5F10RGAGFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10RGAGFB#X0 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 R5F10RGAGFB#X0?
For technical support, including R5F10RGAGFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10RGAGFB#X0 requirements.
6.How does Aetrix verify that R5F10RGAGFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F10RGAGFB#X0 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 R5F10RGAGFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F10RGAGFB#X0?
All R5F10RGAGFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10RGAGFB#X0, 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 R5F10RGAGFB#X0 part is unused and in its original packaging.
Return procedure for R5F10RGAGFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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