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Renesas R5F10RBCAFP#70
- Part No.:
- R5F10RBCAFP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R5F10RBCAFP#70.pdf
- Description:
- 16BIT MCU RL78/L12 32K 32LQFP -4
- Quantity:
- Payment:
- Shipping:
Inventory:4,942
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Product details
Overview
R5F10RBCAFP#70 from Renesas is a 32-pin LQFP ultra-low-power 16-bit RL78/L12 microcontroller with integrated LCD controller/driver, 32 KB flash, 2 KB data flash, and 1.5 KB RAM. It operates from 1.6 V to 5.5 V, delivers 31 DMIPS at 24 MHz, and achieves 0.64 µA RTC+LVD halt current-designed for battery-powered LCD display applications such as smart meters and portable medical devices.
For engineers reviewing the R5F10RBCAFP#70 datasheet, R5F10RBCAFP#70 pinout, R5F10RBCAFP#70 application, or R5F10RBCAFP#70 equivalent, key selection criteria include its on-chip LCD drive capability (up to 35 seg × 8 com), 10-bit ADC with internal reference, dual SPI/I²C/UART interfaces, and IEC 60730-compliant safety features for Class B appliance control.
Technical Context
The R5F10RBCAFP#70 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and 86% of instructions executed in 1–2 clock cycles. It integrates a high-speed on-chip oscillator (24 MHz ±1% over voltage/temperature) and supports multiple clock sources including external crystal (X1/X2) and subsystem clock (XT1/XT2).
Its peripheral set includes an 8-channel timer array with RTC, interval timer, and window watchdog; DMA controller with two channels; and LCD controller supporting capacitor-split, internal-boost, and resistance-division methods-all configurable via dedicated registers without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 16-bit RL78 CPU with 31 DMIPS @ 24 MHz; CISC Harvard architecture, 3-stage pipeline |
| Memory | 32 KB code flash (1 KB block), 2 KB data flash (1M erase cycles), 1.5 KB RAM with backup retention |
| Power | 1.6 V–5.5 V operation; 0.64 µA halt (RTC + LVD); 62.5 µA/MHz active; LCD current as low as 0.12 µA (capacitor-split) |
| LCD Driver | Supports up to 35 segments × 8 commons; selectable waveform types A/B; 16-step contrast adjustment; blink control |
| Analog | 10-bit ADC with 10 channels, 2.1 µs conversion, internal 1.45 V reference, and on-chip temperature sensor |
| Safety | CRC calculation for flash, RAM parity check, SFR write protection, illegal memory access detection, clock frequency monitor |
Pinout & Package
32-pin plastic LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, with exposed pad not present (standard LQFP). Pin functions include dedicated LCD segment/common outputs, analog inputs (ANI0–ANI1), key return (KR0–KR3), and dual serial interfaces (CSI00/CSI01, IICA0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P12–P14, P15–P17, P30–P32, P40, P60–P61, P121–P122, P126–P127, P137, P140–P141 | Multi-function GPIO / Peripheral I/O | Configurable as digital I/O, timer I/O, UART/SPI/I²C signals, or LCD segment/common drivers |
| COM0–COM3, SEG0, SEG4–SEG6, SEG19–SEG21, SEG27–SEG32 | LCD output terminals | Direct drive for up to 4 commons and 13 segments in 32-pin configuration; no external bias required |
| VDD, VSS, REGC | Power supply and regulator decoupling | REGC requires 0.47–1 µF capacitor to VSS for stable internal voltage regulation |
| X1/P121, X2/P122 | Main system clock input | Supports crystal (1–20 MHz) or external clock source; enables precise timing for RTC and communication |
| RESET | Active-low reset input | Accepts external reset signal; internally monitored by POR and LVD circuits |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power LCD operation | 0.12 µA LCD current (capacitor-split method) enables multi-year battery life in portable displays |
| Integrated safety mechanisms | Hardware CRC, RAM parity, SFR write protection, and clock monitor meet IEC 60730 Class B requirements |
| Flexible clock system | High-speed on-chip oscillator (24 MHz ±1%) eliminates need for external crystal in cost-sensitive designs |
| Self-programmable flash | Background data flash operation allows firmware updates without halting application execution |
| Peripheral I/O redirection | PIOR register enables dynamic remapping of serial, timer, and interrupt pins to optimize PCB layout |
Applications
| Smart Energy Meter | Portable Medical Display |
|---|---|
|
Use Scenario: Battery-powered electricity meter with segmented LCD showing kWh, tariff, and status indicators. IC Role / Device Role / Timing Role: Primary MCU managing metrology interface, real-time clock, LCD refresh, and secure firmware updates. Use Value: 0.64 µA RTC+LVD halt mode extends battery life beyond 10 years; integrated LCD driver reduces BOM count by 5+ discrete components. |
Use Scenario: Handheld blood glucose monitor with 4-digit LCD, button interface, and USB charging. IC Role / Device Role / Timing Role: System controller handling ADC sampling, key scan, LCD update, and low-voltage warning. Use Value: 10-bit ADC with internal reference ensures accurate glucose reading calibration; KR0–KR3 support matrix keypad without external logic. |
| Home Appliance Control Panel | Industrial Sensor Node |
|
Use Scenario: Oven or washing machine front panel with 3-line LCD, touch keys, and buzzer feedback. IC Role / Device Role / Timing Role: Dedicated UI controller managing display, key returns, programmable buzzer output (PCLBUZ0/1), and thermal monitoring. Use Value: On-chip buzzer driver eliminates external driver IC; LCD blink/contrast control simplifies HMI customization. |
Use Scenario: Wireless environmental sensor node with LCD readout, temperature/humidity sensing, and low-power sleep cycles. IC Role / Device Role / Timing Role: Edge-processing MCU performing local sensor fusion, LCD update, and wake-on-event (INTP0–INTP2). Use Value: Snooze mode enables fast wake-up from 0.23 µA stop mode; on-chip temperature sensor provides system thermal monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10RFCFP#70 | 44-pin LQFP; same 32 KB flash, but adds 11 more I/O pins and 4 additional LCD commons (COM4–COM7) | Required when >35 seg × 4 com LCD or >29 GPIO needed; larger footprint and higher pin count | Select for expanded display or I/O requirements; identical core/peripherals otherwise |
| R5F10RBAAFP#70 | Same 32-pin LQFP package but with 16 KB flash and 1 KB RAM; identical peripherals and power specs | Suitable for cost-optimized designs where firmware size <16 KB and RAM <1 KB suffices | Choose for lower-cost BOM when full 32 KB flash is unnecessary; drop-in replacement with reduced memory |
Compared with R5F10RBCAFP#70, R5F10RFCFP#70 offers greater I/O and LCD drive scalability at the cost of board space, while R5F10RBAAFP#70 reduces memory capacity and cost without altering functionality-enabling tiered product variants from a single hardware platform.
Availability
R5F10RBCAFP#70 is available at Aetrix Electronics and suitable for smart energy meters, portable medical devices, home appliance control panels, and industrial sensor nodes requiring stable component supply across long production lifecycles.
Supply support for R5F10RBCAFP#70 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 targets ultra-low-power LCD-based applications, integrating high-efficiency CPU, on-chip LCD driver, and functional safety features to simplify design of battery-operated consumer and industrial displays.
FAQ
What is the maximum LCD resolution supported by the R5F10RBCAFP#70?
The R5F10RBCAFP#70 supports up to 35 segments × 8 commons or 39 segments × 4 commons using its integrated LCD controller/driver. In the 32-pin LQFP package, it provides COM0–COM3 and SEG0, SEG4–SEG6, SEG19–SEG21, SEG27–SEG32-totaling 4 commons and 13 segments. Full resolution requires proper configuration of VL1–VL4, CAPL/CAPH, and waveform type selection.
Does the R5F10RBCAFP#70 require an external crystal for RTC operation?
No-the R5F10RBCAFP#70 supports RTC operation using either an external 32.768 kHz crystal on XT1/XT2 pins or the internal low-speed oscillator (15 kHz typical). For high-accuracy calendar functions, an external crystal is recommended; the internal oscillator suffices for approximate timekeeping in low-cost applications.
What are the voltage and temperature ratings for the R5F10RBCAFP#70?
The R5F10RBCAFP#70 is rated for operation from −40 °C to +85 °C (consumer grade, 'A' suffix) and supports supply voltages from 1.6 V to 5.5 V. Its high-speed on-chip oscillator maintains ±1% accuracy across this full voltage and temperature range, enabling robust performance in variable environments.
How does the R5F10RBCAFP#70 handle firmware updates in the field?
The R5F10RBCAFP#70 supports in-application programming (IAP) via its self-programmable flash memory. Using the flash shield window function, firmware updates can be performed safely in background mode-allowing the application to continue running while new code is written to non-active flash blocks, minimizing downtime and risk of corruption.
Can the R5F10RBCAFP#70 drive a standard 16×2 character LCD module?
No-the R5F10RBCAFP#70 drives segmented LCD glass directly, not character-based modules with built-in controllers (e.g., HD44780). It lacks native support for parallel 4/8-bit or serial character-LCD interfaces. To use a 16×2 display, an external controller or conversion circuit would be required; the device is optimized for custom segment-based displays.
R5F10RBCAFP#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- RL78/L12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- 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:
- 15
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 4x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10RBCAFP#70 FAQ
1.How can I place an order for R5F10RBCAFP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10RBCAFP#70 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 R5F10RBCAFP#70 reliable?
The price and inventory of R5F10RBCAFP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10RBCAFP#70 is usually 5 days.
3.What payment methods are accepted for R5F10RBCAFP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10RBCAFP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10RBCAFP#70?
R5F10RBCAFP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10RBCAFP#70 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 R5F10RBCAFP#70?
For technical support, including R5F10RBCAFP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10RBCAFP#70 requirements.
6.How does Aetrix verify that R5F10RBCAFP#70 is sourced from the original manufacturer or authorized distributors?
All R5F10RBCAFP#70 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 R5F10RBCAFP#70 meets industry standards.
7.What is the process for return or replacement of R5F10RBCAFP#70?
All R5F10RBCAFP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10RBCAFP#70, 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 R5F10RBCAFP#70 part is unused and in its original packaging.
Return procedure for R5F10RBCAFP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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