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Renesas R5F101LDAFA#10
- Part No.:
- R5F101LDAFA#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LDAFA#10.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:952
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Product details
Overview
R5F101LDAFA#10 from Renesas is a 64-pin LQFP-0.65mm, industrial-grade RL78/G13 16-bit microcontroller with 128 KB flash, 12 KB RAM, no data flash, and operation from -40°C to +85°C. It delivers 41 DMIPS at 32 MHz, consumes 66 μA/MHz active current and 0.57 μA in RTC+LVD-only mode, and integrates 16-bit timers, 10-bit ADC (26 channels), UART, I²C, CSI, RTC, and DMA - deployed in smart metering and industrial sensor nodes.
For engineers reviewing the R5F101LDAFA#10 datasheet, R5F101LDAFA#10 pinout, R5F101LDAFA#10 application, or R5F101LDAFA#10 equivalent, key selection criteria include its 64-pin LQFP package, absence of on-chip data flash, industrial temperature rating (–40°C to +85°C), and support for low-power SNOOZE/STOP/HALT modes in battery-backed embedded control.
Technical Context
The R5F101LDAFA#10 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). Its memory map spans 1 MB address space, with 128 KB code flash organized in 1 KB blocks and 12 KB on-chip RAM.
It features a 10-bit A/D converter with up to 26 analog inputs, internal 1.45 V reference and temperature sensor, real-time clock with calendar/alarm/correction, and dual-channel DMA capable of 2-clock transfers between SFR and RAM. Serial interfaces include up to 10 I²C/Simplified I²C channels, 4 UART/LIN channels, and 8 CSI channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS for deterministic real-time control |
| Flash Memory | 128 KB code flash in 1 KB blocks; no data flash (R5F101x series) |
| RAM Size | 12 KB on-chip RAM - sufficient for RTOS stacks and sensor data buffering |
| Power Consumption | 66 μA/MHz active; 0.57 μA in RTC+LVD-only STOP mode for battery longevity |
| Analog Peripherals | 10-bit ADC with 26 channels, internal 1.45 V reference, and integrated temperature sensor |
| Temperature Range | –40°C to +85°C (Industrial grade, "D" suffix) |
| Package | LQFP-64, 12 × 12 mm, 0.65 mm pitch (FA suffix), RoHS-compliant |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65 mm pitch), JEDEC standard PLQP0064JA-A footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable 1.6–5.5 V operation and noise immunity |
| P10–P17, P20–P27, P30–P37, P40–P47, P50–P57, P60–P67, P70–P77, P80–P87 | General-purpose I/O ports | Up to 59 programmable I/O pins with N-ch open-drain, pull-up, TTL input, and multi-voltage interface capability |
| P11, P12, P13 | UART0 (RxD0/TxD0/TOOLRxD) | Primary debug and host communication interface; TOOLRxD enables on-chip debugging |
| P14–P17 | I²C0 (SCL00/SDA00) and CSI0 (SCK00/SI00/SO00) | Shared pins support either I²C master/slave or SPI-compatible serial peripheral control |
| P20–P25 | ADC inputs (ANI0–ANI5) and AVREFP/AVREFM | Analog input bank with dedicated reference voltage terminals for precision measurement |
| RESET | Active-low reset input | Accepts external reset; internally tied to on-chip POR and LVD circuits |
| CLKP, CLKM | Crystal oscillator inputs | Support external 32.768 kHz crystal for RTC accuracy or high-frequency crystals up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA retention with RTC + LVD active - enables >10-year battery life in metering |
| Self-programmable flash | Boot swap and flash shield window enable secure firmware updates without external programmer |
| Hardware DMA controller | 2-channel DMA with 2-clock transfer latency between SFR and RAM - offloads CPU during sensor/data streaming |
| Multi-speed on-chip oscillator | Selectable 1–32 MHz internal clock with ±1.0% accuracy - eliminates external crystal for cost-sensitive designs |
| Integrated RTC with calendar | 99-year calendar, alarm, and auto-correction - supports time-stamped logging without external RTC IC |
| Multi-voltage I/O interface | Ports tolerate 1.8 V / 2.5 V / 3.0 V logic levels - simplifies interfacing with mixed-voltage peripherals |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM-less data logging via flash wear-leveling, and driving RF/PLC modems. Use Value: 128 KB flash stores firmware + tariff tables; RTC enables billing-period timestamping; ultra-low STOP current extends battery life beyond 10 years. |
Use Scenario: Wireless temperature/humidity/pressure node in factory automation or HVAC monitoring. IC Role / Device Role / Timing Role: Sensor hub aggregating analog/digital inputs, performing local calibration, and scheduling LoRaWAN/NB-IoT transmissions. Use Value: 26-channel 10-bit ADC reads multiple sensors simultaneously; SNOOZE mode wakes CPU only on threshold interrupt; 12 KB RAM buffers burst measurements before transmission. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: MCU in washing machine, refrigerator, or air conditioner for motor control, user interface, and safety monitoring. IC Role / Device Role / Timing Role: Real-time motor commutation (via timer PWM), touch-key scanning, and fault-safe shutdown using LVD and watchdog. Use Value: HALT/STOP modes reduce standby power below 1 μA; on-chip BCD correction simplifies display driver integration; 59 GPIOs support diverse I/O requirements. |
Use Scenario: Central controller in lighting, access control, or fire alarm panel requiring reliability and long service life. IC Role / Device Role / Timing Role: System supervisor managing power sequencing, CAN/I²C bus arbitration, and event logging with time stamps. Use Value: Dual UARTs support simultaneous Modbus RTU and debug console; 128 KB flash hosts dual firmware images for fail-safe updates; industrial temp range ensures operation in unconditioned enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LDAFA#10 | Same 64-pin LQFP package and 128 KB flash, but includes 8 KB data flash and lacks "no data flash" optimization | Preferred where EEPROM-like nonvolatile parameter storage is required without external SPI flash | Select R5F100LDAFA#10 if field-updatable calibration data or configuration storage is needed |
| RL78/G14 R5F104LEAFA#10 | Enhanced RL78/G14 variant with 256 KB flash, 32 KB RAM, and additional peripherals (e.g., 24-bit sigma-delta ADC) | Suitable for higher-complexity applications needing more memory or advanced analog acquisition | Choose R5F104LEAFA#10 when scaling firmware size or adding high-resolution sensor processing beyond G13 capabilities |
Compared with R5F100LDAFA#10, the R5F101LDAFA#10 reduces BOM cost by eliminating data flash while retaining identical code flash, RAM, and peripheral count - ideal for fixed-parameter systems; versus R5F104LEAFA#10, it trades memory headroom and advanced ADC for lower power and smaller footprint in cost-constrained industrial controls.
Availability
R5F101LDAFA#10 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, and home appliance control requiring stable component supply, long-term lifecycle support, and industrial-temperature-rated microcontrollers.
Supply support for R5F101LDAFA#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - optimized for rapid development, minimal external components, and robust operation across industrial environments.
FAQ
What is the flash memory configuration of the R5F101LDAFA#10?
The R5F101LDAFA#10 contains 128 KB of code flash memory organized in 1 KB blocks, with no on-chip data flash - consistent with the "101" series designation indicating data flash omission. This configuration reduces die size and cost while retaining full code execution capability and self-programming support via boot swap and flash shield window functions.
Does the R5F101LDAFA#10 support hardware debugging?
Yes, the R5F101LDAFA#10 supports on-chip debugging via the TOOLRxD pin (P11) and dedicated debug interface, compatible with Renesas E2 emulator and CS+ IDE. It includes full breakpoint, watchpoint, and trace capabilities without requiring external debug probes - enabling rapid firmware validation and field diagnostics directly on the target board.
What are the low-power operating modes supported by the R5F101LDAFA#10?
The R5F101LDAFA#10 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA - critical for battery-powered metering. HALT halts the CPU while preserving RAM and peripheral states; SNOOZE allows selected peripherals (e.g., ADC, UART) to operate autonomously while the CPU sleeps, reducing wake latency.
Can the R5F101LDAFA#10 interface with 3.3 V and 1.8 V peripherals?
Yes, the R5F101LDAFA#10 supports different-potential interface operation: its I/O ports can connect directly to 1.8 V, 2.5 V, or 3.0 V devices without level shifters. This is enabled by configurable input buffer thresholds and tolerance specifications - verified across the full industrial temperature range and supply voltage (1.6–5.5 V).
Is there an external crystal requirement for the RTC function in the R5F101LDAFA#10?
No, the R5F101LDAFA#10 integrates a dedicated low-speed on-chip oscillator for RTC operation, eliminating the need for an external 32.768 kHz crystal in basic calendar/timekeeping use cases. An external crystal may be added for higher RTC accuracy (±20 ppm vs. ±1000 ppm typical for on-chip oscillator), but is not mandatory for functional RTC implementation.
R5F101LDAFA#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- 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:
- 48
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101LDAFA#10 FAQ
1.How can I place an order for R5F101LDAFA#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LDAFA#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 R5F101LDAFA#10 reliable?
The price and inventory of R5F101LDAFA#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LDAFA#10 is usually 5 days.
3.What payment methods are accepted for R5F101LDAFA#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LDAFA#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LDAFA#10?
R5F101LDAFA#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LDAFA#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 R5F101LDAFA#10?
For technical support, including R5F101LDAFA#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LDAFA#10 requirements.
6.How does Aetrix verify that R5F101LDAFA#10 is sourced from the original manufacturer or authorized distributors?
All R5F101LDAFA#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 R5F101LDAFA#10 meets industry standards.
7.What is the process for return or replacement of R5F101LDAFA#10?
All R5F101LDAFA#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LDAFA#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 R5F101LDAFA#10 part is unused and in its original packaging.
Return procedure for R5F101LDAFA#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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