Renesas R5F101LFAFA#30
- Part No.:
- R5F101LFAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LFAFA#30.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:871
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F101LFAFA#30 from Renesas is a 64-pin LQFP-0.65mm microcontroller in the RL78/G13 family, featuring 64 KB flash memory, 4 KB data flash, 4 KB RAM, 16-bit RL78 CPU core, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode) for battery-powered industrial control and sensor interface applications.
For engineers reviewing the R5F101LFAFA#30 datasheet, R5F101LFAFA#30 pinout, R5F101LFAFA#30 application, or R5F101LFAFA#30 equivalent, key selection criteria include its 64-pin LQFP package, absence of on-chip data flash (R5F101x series), -40°C to +85°C industrial temperature grade (D suffix), and integrated peripherals including 10-bit ADC (26 channels), RTC, UART, I²C, and 16-bit timers.
Technical Context
The R5F101LFAFA#30 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 10-bit A/D converter with up to 26 analog inputs, internal reference voltage (1.45 V), and temperature sensor.
Power management includes HALT, STOP, and SNOOZE low-power modes, on-chip POR and LVD (14-level selectable), and real-time clock with calendar, alarm, and clock correction functions. Serial interfaces comprise up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 8 CSI (SPI-compatible) channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 64 KB code flash (1 KB block size); no on-chip data flash (R5F101x series) |
| RAM | 4 KB on-chip RAM for program/data storage and stack operations |
| Operating Voltage | 1.6 V to 5.5 V single supply - supports direct connection to Li-ion, alkaline, or regulated 3.3 V/5 V rails |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC | 10-bit resolution A/D converter with 26 input channels and internal 1.45 V reference |
| Temperature Range | -40°C to +85°C (industrial grade, D-suffix confirmed by part number decoding) |
Pinout & Package
Package: 64-pin LQFP, 12 mm × 12 mm, 0.65 mm pitch, plastic body (PLQP0064JA-A / PLQP0064JB-A tray packaging).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling; supports 1.6–5.5 V operation |
| P00–P07 | General-purpose I/O port | 8-bit bidirectional port with N-ch open-drain option, TTL input buffer, and pull-up resistors |
| P10–P17 | Multi-function I/O port | Supports SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00, SO00/TxD0/TOOLTxD, etc. |
| P20–P27 | Analog input port | P20–P22 and P147 serve as ANI0–ANI2 and ANI18; enable 10-bit ADC sampling across 26 channels |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | Crystal oscillator inputs | Support external 32.768 kHz crystal for RTC or high-frequency crystals up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active - enables multi-year battery life in metering applications |
| Self-programmable flash | Boot swap and flash shield window functions allow secure firmware updates without external programmer |
| Background data flash rewrite | BGO enables concurrent code execution and data flash write - critical for logging without interrupting real-time tasks |
| Integrated RTC with calendar | 99-year calendar, alarm, and auto-correction eliminate need for external RTC IC and reduce BOM count |
| DMA controller (4-channel) | Reduces CPU load during peripheral-to-memory transfers; 2-clock latency for 8/16-bit SFR ↔ RAM transfers |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered water/gas meter with pulse counting, temperature compensation, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing RTC-based timestamping, and driving UART/LIN for communication. Use Value: Ultra-low STOP-mode current (0.57 μA) extends battery life beyond 10 years; integrated 10-bit ADC and temperature sensor eliminate external components. |
Use Scenario: DIN-rail mounted environmental monitor collecting temperature, humidity, and CO₂ via analog/digital sensors. IC Role / Device Role / Timing Role: Central data aggregator with I²C master for sensor readout, UART for Modbus RTU, and RTC for time-stamped logging. Use Value: 26-channel 10-bit ADC supports multi-sensor analog front-end; 64 KB flash accommodates Modbus stack + calibration tables + firmware updates. |
| Home Appliance Control | Medical Diagnostic Device |
|
Use Scenario: Washing machine main control board managing motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating PWM motor control, ADC-based pressure/temperature monitoring, and buzzer/key interrupt handling. Use Value: SNOOZE mode enables low-latency wake-up from sleep for responsive button press detection; 16-bit timer channels support precise motor phase timing. |
Use Scenario: Portable blood glucose meter requiring precision analog measurement, secure firmware, and long shelf life. IC Role / Device Role / Timing Role: Precision analog acquisition controller using internal 1.45 V reference and temperature sensor for auto-calibration. Use Value: On-chip 10-bit ADC with internal reference ensures consistent measurement accuracy across voltage/temperature; flash security prevents unauthorized firmware modification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LFAFA#30 | Includes 4 KB on-chip data flash; otherwise identical flash/RAM/peripherals/package | Required when non-volatile parameter storage (e.g., calibration data, device ID) must reside on-chip without external EEPROM | Select R5F100LFAFA#30 if background data flash rewrite (BGO) or 1M write-cycle endurance is needed |
| R5F101LCAFA#30 | Same RL78/G13 core, 64-pin LQFP, but 16 KB flash / 2 KB RAM / 2 KB data flash (R5F101x series) | Suitable for simpler control tasks with smaller firmware footprint and lower RAM demand | Choose R5F101LCAFA#30 for cost-sensitive designs where 64 KB flash and 4 KB RAM are unnecessary |
Compared with R5F100LFAFA#30, the R5F101LFAFA#30 reduces BOM cost by omitting data flash while retaining full peripheral set and power performance; versus R5F101LCAFA#30, it provides 4× more flash and 2× more RAM for complex firmware with protocol stacks and data buffering.
Availability
R5F101LFAFA#30 is available at Aetrix Electronics and suitable for smart utility metering, industrial sensor nodes, and home appliance control requiring stable component supply, long-term lifecycle support, and industrial-grade temperature performance.
Supply support for R5F101LFAFA#30 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 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated industrial and consumer devices requiring rich analog integration and robust real-time control.
FAQ
What is the flash memory configuration of the R5F101LFAFA#30?
The R5F101LFAFA#30 contains 64 KB of on-chip code flash memory organized in 1 KB blocks. It does not include embedded data flash memory - this distinguishes it from the R5F100x series. The R5F101LFAFA#30 relies on external non-volatile storage or RAM-backed parameter retention for configuration data.
Does the R5F101LFAFA#30 support real-time clock functionality?
Yes, the R5F101LFAFA#30 integrates a full-featured real-time clock (RTC) with calendar support (up to 99 years), alarm interrupt, and automatic clock correction. It operates independently in STOP mode with only 0.57 μA current draw when powered by VDD, enabling accurate timekeeping during ultra-low-power operation.
What package type and pin count does the R5F101LFAFA#30 use?
The R5F101LFAFA#30 uses a 64-pin LQFP package with 12 mm × 12 mm body size and 0.65 mm lead pitch (RENESAS code PLQP0064JA-A/PLQP0064JB-A). This package is RoHS-compliant, surface-mount compatible, and designed for industrial PCB assembly with standard reflow profiles.
What is the operating temperature range for the R5F101LFAFA#30?
The R5F101LFAFA#30 is rated for industrial operation from -40°C to +85°C. This is confirmed by the 'D' suffix in the part number decoding (per Figure 1-1 in R01DS0131EJ0380), making it suitable for deployment in harsh environments such as factory automation, outdoor metering, and HVAC control systems.
Which analog peripherals are integrated into the R5F101LFAFA#30?
The R5F101LFAFA#30 integrates a 10-bit successive-approximation A/D converter with up to 26 input channels, internal 1.45 V reference voltage, and an on-chip temperature sensor. These features enable direct precision measurement of analog sensors without external references or signal conditioning in many embedded applications.
R5F101LFAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K 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:
R5F101LFAFA#30 FAQ
1.How can I place an order for R5F101LFAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LFAFA#30 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 R5F101LFAFA#30 reliable?
The price and inventory of R5F101LFAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LFAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F101LFAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LFAFA#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LFAFA#30?
R5F101LFAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LFAFA#30 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 R5F101LFAFA#30?
For technical support, including R5F101LFAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LFAFA#30 requirements.
6.How does Aetrix verify that R5F101LFAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F101LFAFA#30 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 R5F101LFAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F101LFAFA#30?
All R5F101LFAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LFAFA#30, 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 R5F101LFAFA#30 part is unused and in its original packaging.
Return procedure for R5F101LFAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F101LFAFA#30 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

