My Inquiry
My Account
Renesas R5F100LCAFA#X0
- Part No.:
- R5F100LCAFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LCAFA#X0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,276
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F100LCAFA#X0 from Renesas is a 64-pin LQFP-0.65mm, 512 KB flash, 32 KB RAM RL78/G13 16-bit microcontroller with ultra-low-power operation (66 μA/MHz), integrated RTC, 10-bit ADC (26 channels), and multiple serial interfaces including UART, I²C, and CSI. It targets battery-powered industrial sensors and smart metering systems requiring long runtime and mixed-signal control.
For engineers reviewing the R5F100LCAFA#X0 datasheet, R5F100LCAFA#X0 pinout, R5F100LCAFA#X0 application, or R5F100LCAFA#X0 equivalent, key selection criteria include its 512 KB code flash with self-programming, 32 KB RAM for real-time data buffering, 64-pin LQFP package compatibility with industrial PCB layouts, and support for -40°C to +85°C operation in consumer-grade A-temperature variants.
Technical Context
The R5F100LCAFA#X0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs at 32 MHz to 30.5 μs at 32.768 kHz). It integrates a high-accuracy ±1.0% on-chip oscillator (32 MHz max) and supports HALT, STOP, and SNOOZE low-power modes.
It features a 10-bit A/D converter with up to 26 analog inputs, internal 1.45 V reference and temperature sensor, and dual DMA controller (4 channels) enabling background data flash rewriting while executing code from program memory. Real-time clock includes calendar, alarm, and clock correction functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS for deterministic real-time control loops |
| Flash Memory | 512 KB code flash with 1 KB block size, security lock, and boot swap function |
| Data Flash | 8 KB with background operation (BGO) and 1M rewrite cycles (TYP) |
| RAM | 32 KB on-chip RAM - sufficient for firmware stacks, buffers, and real-time data logging |
| Power Consumption | 66 μA/MHz active; 0.57 μA in RTC+LVD-only mode - enables multi-year battery life |
| ADC Resolution & Channels | 10-bit resolution with up to 26 input channels and internal 1.45 V reference |
| Operating Voltage | 1.6 V to 5.5 V - supports direct Li-ion, coin-cell, or wide-input industrial rails |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, JEDEC standard footprint compatible with automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin for synchronous serial communication - enables dual-interface peripheral connectivity without extra pins |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Multi-function input supporting debug (TOOLRxD), sensor comms (SPI/I²C), and host interface (UART) |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Configurable as primary analog channel or precision ADC reference voltage source |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Enables differential ADC measurements or ratiometric sensing with AVREFP |
| P30/INTP0/RTCCLK | Interrupt Input / RTC Clock Input | Supports external wake-up events and optional 32.768 kHz crystal for calendar-accurate timekeeping |
| VDD, VSS | Power Supply / Ground | Dual VDD/VSS pairs ensure stable power delivery and noise immunity for mixed-signal operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-Low-Power Modes | HALT, STOP, and SNOOZE modes reduce current to sub-μA levels - critical for energy-harvesting and battery-critical designs |
| Self-Programming Flash | On-chip flash library enables field firmware updates with boot swap and flash shield window protection |
| Real-Time Clock (RTC) | Full calendar (99 years), alarm, and auto-correction - eliminates need for external RTC IC in time-stamped applications |
| Multi-Protocol Serial Interface | Up to 10 I²C, 4 UART/LIN, and 8 CSI channels - simplifies connectivity to displays, sensors, and legacy peripherals |
| Temperature Sensor | Integrated calibrated sensor (±2°C accuracy) - enables thermal monitoring without external components |
| DMA Controller | 4-channel DMA with 2-clock transfer latency between SFR and RAM - offloads CPU during high-bandwidth data movement |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Electricity/water/gas meter with pulse counting, tamper detection, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, secure data logging, and RF module handshaking. Use Value: 512 KB flash stores encryption keys and firmware updates; RTC enables accurate billing intervals; ultra-low STOP mode extends battery life to >10 years. |
Use Scenario: Wireless environmental monitor measuring temperature, humidity, and CO₂ in factory HVAC ducts. IC Role / Device Role / Timing Role: Signal acquisition hub interfacing analog sensors, running calibration algorithms, and scheduling BLE transmissions. Use Value: 26-channel 10-bit ADC captures multi-sensor data simultaneously; internal temperature sensor validates ambient readings; SNOOZE mode minimizes average current during sleep cycles. |
| Home Appliance Control | Medical Diagnostic Device |
|
Use Scenario: Smart washing machine with motor control, water level sensing, and user interface. IC Role / Device Role / Timing Role: Central MCU coordinating motor drivers, touch panel, display, and safety interlocks. Use Value: 32 KB RAM buffers sensor streams and UI state; LIN-capable UART controls brushless motor modules; LVD detects brown-out conditions to prevent unsafe operation. |
Use Scenario: Portable blood glucose monitor with electrochemical strip interface and LCD display. IC Role / Device Role / Timing Role: Precision analog front-end controller handling strip biasing, current measurement, and calibration compensation. Use Value: Internal 1.45 V reference ensures consistent ADC accuracy across battery discharge; 0.57 μA RTC+LVD mode preserves time/date during standby; compact 64-pin LQFP fits handheld form factor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LLAFA#X0 | Same 64-pin LQFP package, identical 512 KB flash/32 KB RAM, but rated for -40°C to +105°C (G-temp grade) | Required for extended-temperature industrial environments (e.g., motor drives, outdoor infrastructure) | Select when operating ambient exceeds +85°C; otherwise R5F100LCAFA#X0 suffices for A-temp applications |
| R5F101LCAFA#X0 | Same pinout and package, but lacks data flash memory (0 KB vs. 8 KB); otherwise identical core/peripherals | Suitable where firmware updates are handled externally or infrequently, reducing BOM cost | Choose when data logging or field firmware patching is unnecessary - lowers unit cost without sacrificing control capability |
Compared with R5F100LCAFA#X0, R5F100LLAFA#X0 adds extended temperature tolerance at no performance trade-off, while R5F101LCAFA#X0 removes data flash to reduce cost and complexity where non-volatile parameter storage isn't required.
Availability
R5F100LCAFA#X0 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 RoHS-compliant packaging.
Supply support for R5F100LCAFA#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/G13 family is designed for ultra-low-power general-purpose embedded control - balancing performance, integration, and energy efficiency in cost-sensitive industrial and consumer applications.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating of the R5F100LCAFA#X0?
The R5F100LCAFA#X0 operates at up to 32 MHz and delivers 41 DMIPS of processing performance. This benchmark reflects its RL78 CPU core's optimized 3-stage pipeline execution efficiency under typical code workloads, making it suitable for real-time control tasks such as motor commutation, sensor fusion, and protocol stack handling without external acceleration.
Does the R5F100LCAFA#X0 include an integrated temperature sensor, and what is its accuracy?
Yes, the R5F100LCAFA#X0 includes a factory-calibrated on-chip temperature sensor with ±2°C accuracy over the full -40°C to +85°C operating range. It is accessible via the ADC and requires no external components, enabling thermal monitoring in applications like battery management, motor control, and environmental sensing.
How much data flash memory does the R5F100LCAFA#X0 provide, and what is its endurance specification?
The R5F100LCAFA#X0 provides 8 KB of dedicated data flash memory, rated for 1,000,000 write/erase cycles (typical). It supports background operation (BGO), allowing program execution from main flash while data flash is being rewritten - essential for reliable firmware updates and parameter storage in field-deployed devices.
What low-power modes are supported by the R5F100LCAFA#X0, and what is the lowest achievable current draw?
The R5F100LCAFA#X0 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA - enabling decade-long battery life in applications like utility meters and remote sensors where periodic wake-up and minimal background functionality are required.
Is the R5F100LCAFA#X0 pin-compatible with other RL78/G13 variants in the same 64-pin LQFP package?
Yes, all RL78/G13 devices in the 64-pin LQFP-0.65mm package (e.g., R5F100LDAFA#X0, R5F100LEAFA#X0, R5F100LLAFA#X0) share identical pinouts and electrical characteristics. This allows hardware reuse across memory/configurations - for example, prototyping with R5F100LCAFA#X0 and scaling to higher-flash variants without PCB redesign.
R5F100LCAFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K 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:
R5F100LCAFA#X0 FAQ
1.How can I place an order for R5F100LCAFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LCAFA#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 R5F100LCAFA#X0 reliable?
The price and inventory of R5F100LCAFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LCAFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F100LCAFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LCAFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LCAFA#X0?
R5F100LCAFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LCAFA#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 R5F100LCAFA#X0?
For technical support, including R5F100LCAFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LCAFA#X0 requirements.
6.How does Aetrix verify that R5F100LCAFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100LCAFA#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 R5F100LCAFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F100LCAFA#X0?
All R5F100LCAFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LCAFA#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 R5F100LCAFA#X0 part is unused and in its original packaging.
Return procedure for R5F100LCAFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F100LCAFA#X0 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…
