Renesas R5F100LJAFA#30
- Part No.:
- R5F100LJAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LJAFA#30.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:714
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Product details
Overview
R5F100LJAFA#30 from Renesas is a 64-pin LQFP-0.65mm, 256 KB flash, 8 KB data flash, 20 KB RAM RL78/G13 16-bit microcontroller operating from 1.6 V to 5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power HALT/STOP/SNOOZE modes - deployed in battery-powered industrial sensors and smart metering interfaces.
For engineers reviewing the R5F100LJAFA#30 datasheet, R5F100LJAFA#30 pinout, R5F100LJAFA#30 application, or R5F100LJAFA#30 equivalent, key selection criteria include its 64-pin LQFP package, integrated RTC + LVD + BGO-capable data flash, 10-bit 26-channel ADC, and support for LIN-compliant UART in industrial temperature grade (−40°C to +85°C).
Technical Context
The R5F100LJAFA#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock), and features a 1 MB address space with four 8-bit register banks.
It integrates dual power domains: main VDD (1.6–5.5 V) and dedicated low-speed oscillator for watchdog timer operation; includes on-chip POR, 14-level LVD with interrupt/reset select, and background operation (BGO) for concurrent code execution during data flash rewriting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance for real-time control tasks |
| Flash Memory | 256 KB code flash (1 KB block size) with security lock and self-programming |
| Data Flash | 8 KB with background operation (BGO), 1M rewrite cycles, 1.8–5.5 V programming |
| RAM | 20 KB on-chip SRAM, including dedicated flash library RAM area starting at FAF00H |
| ADC | 10-bit resolution, 26 analog input channels, internal 1.45 V reference and temp sensor |
| Operating Temperature | −40°C to +85°C (Industrial D-grade), qualified for long-term embedded deployment |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE for peripheral-triggered wake-up |
Pinout & Package
64-pin LQFP package (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin supports master/slave SPI or I²C communication; requires external pull-up for I²C |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / Debug RX / I²C Data | Multi-function pin enabling serial debug interface, LIN-compliant UART receive, or I²C data line |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Configurable as first ADC channel or positive reference voltage source for precision analog measurements |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Supports differential ADC mode when paired with P20; enables ratiometric sensor measurement |
| P22/ANI2 | Analog Input 2 | Dedicated analog input channel compatible with internal temperature sensor and 1.45 V reference |
| P30/INTP0/TOOLRST | External Interrupt 0 / Debug Reset | Hardware reset input for on-chip debugger; also serves as edge-triggered external interrupt source |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - extends battery life in energy-constrained nodes |
| Background data flash rewrite | Execute application code from flash while updating 8 KB data flash - enables seamless firmware parameter updates |
| Integrated LIN-compliant UART | UART channel supports LIN 2.2 physical layer timing without external transceiver - reduces BOM cost in automotive body electronics |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - eliminates need for external RTC IC in time-stamped logging systems |
| On-chip voltage detector (LVD) | 14 programmable threshold levels with interrupt or reset output - ensures reliable brown-out protection across supply variations |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - accelerates motor control and sensor fusion math |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Bidirectional energy monitoring with tamper detection and time-of-use tariff calculation. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing EEPROM-less parameter storage via data flash, and maintaining accurate time stamping via integrated RTC. Use Value: Eliminates external RTC and backup capacitor; BGO allows firmware updates without interrupting metering cycle. |
Use Scenario: Wireless node collecting temperature, humidity, and vibration data in factory automation. IC Role / Device Role / Timing Role: Sensor hub aggregating analog/digital inputs, performing local preprocessing, and entering STOP mode between 10-second sampling intervals. Use Value: 0.57 μA STOP current enables >10-year battery life on CR2032; 26-channel ADC supports multi-sensor integration. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main board managing motor drive, water valve sequencing, and user interface. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating PWM outputs, reading front-panel buttons via key interrupt, and driving buzzer via on-chip controller. Use Value: On-chip buzzer output and key interrupt reduce GPIO count; HALT mode cuts active power during idle cycles. |
Use Scenario: HVAC control panel with display, keypad, and RS-485/LIN connectivity to field devices. IC Role / Device Role / Timing Role: Communication gateway translating between LIN bus (to actuators) and UART-to-RS-485 (to central controller). Use Value: Dual UART channels with LIN compliance enable direct connection to automotive-grade HVAC components without level-shifting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LJAFA#30 | No data flash (0 KB); same pinout, core, peripherals, and package | Not suitable for applications requiring nonvolatile parameter storage without external EEPROM | Select when firmware-only storage suffices and BGO-based field updates are unnecessary |
| R5F100LJAFB#30 | LFQFP-0.5 mm (10×10 mm) package; identical memory/peripherals/temperature grade | Requires PCB redesign due to smaller pitch and footprint - not drop-in compatible | Choose for space-constrained designs where 0.5 mm pitch layout is feasible and thermal profile permits |
Compared with R5F100LJAFA#30, R5F101LJAFA#30 removes data flash to reduce cost and die size but forfeits BGO-based parameter updates, while R5F100LJAFB#30 retains all functionality in a denser package requiring revised layout and assembly controls.
Availability
R5F100LJAFA#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and home appliance control systems requiring stable component supply across extended product lifecycles.
Supply support for R5F100LJAFA#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 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - designed to replace legacy 8/16-bit MCUs with enhanced integration, reduced system BOM, and simplified certification for industrial temperature operation.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100LJAFA#30?
The R5F100LJAFA#30 operates up to 32 MHz using its high-speed on-chip oscillator, achieving 41 DMIPS performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation with 30.5 μs instruction time.
Does the R5F100LJAFA#30 include integrated data flash memory, and what are its endurance specifications?
Yes, the R5F100LJAFA#30 includes 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical) with programming supported across the full VDD range of 1.8 V to 5.5 V. It supports background operation (BGO), allowing program execution from code flash while rewriting data flash.
What low-power modes does the R5F100LJAFA#30 support, and what is its lowest active current consumption?
The R5F100LJAFA#30 supports HALT (66 μA/MHz), STOP (0.57 μA with RTC and LVD active), and SNOOZE modes. Its lowest active current is achieved in STOP mode, consuming only 0.57 μA while retaining RTC timekeeping and low-voltage detection - critical for battery-powered applications requiring multi-year operation.
Is the R5F100LJAFA#30 qualified for industrial temperature operation, and what is its specified range?
Yes, the R5F100LJAFA#30 is qualified for industrial applications with an operating ambient temperature range of −40°C to +85°C (D-grade). This rating is confirmed by Renesas' qualification testing and applies to the full functional specification including flash programming, ADC accuracy, and peripheral timing.
How many analog input channels does the R5F100LJAFA#30 support, and what ADC resolution is available?
The R5F100LJAFA#30 supports up to 26 analog input channels with a 10-bit successive-approximation ADC. It includes an internal 1.45 V reference voltage and temperature sensor, both accessible via dedicated ANI pins, enabling calibrated sensor measurements without external references.
R5F100LJAFA#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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 20K 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:
R5F100LJAFA#30 FAQ
1.How can I place an order for R5F100LJAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LJAFA#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 R5F100LJAFA#30 reliable?
The price and inventory of R5F100LJAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LJAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F100LJAFA#30?
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R5F100LJAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LJAFA#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 R5F100LJAFA#30?
For technical support, including R5F100LJAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LJAFA#30 requirements.
6.How does Aetrix verify that R5F100LJAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F100LJAFA#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 R5F100LJAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F100LJAFA#30?
All R5F100LJAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LJAFA#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 R5F100LJAFA#30 part is unused and in its original packaging.
Return procedure for R5F100LJAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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