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Renesas R5F2LA64ADFP#V0
- Part No.:
- R5F2LA64ADFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F2LA64ADFP#V0.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,095
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Product details
Overview
R5F2LA64ADFP#V0 from Renesas is a 16-bit R8C CPU core MCU in the R8C/LA6A Group, featuring 16 KB program ROM, 2 KB RAM, and 2 KB data flash. It delivers 50 ns minimum instruction execution at 20 MHz (2.7–5.5 V), integrates an on-chip 16×16→32-bit multiplier, and supports LCD drive (max 4 common / 32 segment pins) for embedded appliance control.
For engineers reviewing the R5F2LA64ADFP#V0 datasheet, R5F2LA64ADFP#V0 pinout, R5F2LA64ADFP#V0 application, or R5F2LA64ADFP#V0 equivalent, key selection criteria include its −40 to +85°C industrial temperature grade, 56-pin LQFP-64 package with 56 programmable I/Os, 8-channel 10-bit A/D converter, and integrated real-time clock (Timer RH) for time-stamped sensor logging and low-power wake-up control.
Technical Context
The R5F2LA64ADFP#V0 implements the R8C CPU core with 89 fundamental instructions and operates in single-chip mode across a 1 Mbyte address space. Its system clock generation includes XIN (20 MHz max), XCIN (32 kHz), high-speed and low-speed on-chip oscillators, plus selectable frequency division (1/2/4/8/16) and oscillation stop detection.
Peripheral integration includes Timer RB (8-bit ×2), Timer RC (16-bit ×1 with 4 capture/compare registers), Timer RH (real-time clock with calendar function), Timer RJ (16-bit ×2), UART0, SSU/I²C-bus, 10-bit ×8-channel A/D converter with sample-and-hold and temperature sensor, and comparator B (2 circuits).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C 16-bit core with 89 instructions; enables compact firmware and deterministic timing for real-time appliance control loops. |
| Operating Frequency | 20 MHz max (VCC = 2.7–5.5 V); supports fast response in motor control or UI polling without external crystal dependency. |
| Memory | 16 KB program ROM + 2 KB RAM + 2 KB data flash; allows field firmware updates and parameter storage without external EEPROM. |
| A/D Converter | 10-bit resolution × 8 channels with sample-and-hold; supports simultaneous analog sensing of temperature, voltage, and current in HVAC or power supply monitoring. |
| LCD Drive | Max 4 common / 32 segment outputs with 1/2 or 1/3 bias; drives multiplexed character or segment displays in kitchen appliances and industrial HMI. |
| Power Modes | Wait (1.7 µA), stop (0.5 µA), and power-off modes (0.01 µA); extends battery life in portable or energy-harvesting devices. |
| Temperature Range | −40 to +85°C (D version); qualified for industrial environments including factory automation and outdoor consumer equipment. |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-A, 0.5 mm pitch), 10 × 10 mm body, exposed pad optional. Pin count and I/O mapping align with R8C/LA6A Group specification: 56 programmable CMOS I/O ports, 8 high-current drive pins, and dedicated XCIN/XCOUT for 32 kHz RTC crystal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0 to P0_7 | Programmable I/O port | Supports LCD segment output (SEG0–SEG7), INT7, ADTRG, and TRCTRG - enables touch-key scanning and analog trigger synchronization. |
| P1_0 to P1_7 | Programmable I/O port | Provides SEG8–SEG15 and KI6/KI7; expands display capability and supports keypad matrix with interrupt-on-change. |
| P2_0 to P2_7 | Programmable I/O port | Drives SEG16–SEG23 and supports INT0–INT3; used for extended LCD segments and external event handling in multi-function panels. |
| P3_0 to P3_7 | Programmable I/O port | Handles SEG24–SEG31 and INT0–INT7; delivers full 32-segment LCD support and flexible interrupt routing for user input. |
| P4_0 to P4_7 | Programmable I/O port | Includes SEG32–SEG39 and COMEXP; enables 40-segment drive when combined with P5, supporting larger alphanumeric displays. |
| P5_0 to P5_6 | Common/segment/LCD bias | Provides COM0–COM3, VL1–VL3, and SEG24–SEG26; configures LCD bias voltage and common outputs for static/multiplexed operation. |
| XIN / XOUT | Crystal oscillator input/output | Supports up to 20 MHz external crystal; provides precise timing for communication baud rates and PWM generation. |
| XCIN / XCOUT | 32 kHz RTC crystal interface | Dedicated low-frequency oscillator pins; enables autonomous real-time clock operation during deep sleep without main CPU wake-up. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip data flash | 2 KB rewritable memory (10,000 erase/write cycles) for storing calibration data, device IDs, or user preferences without external components. |
| Real-time clock (Timer RH) | Full calendar mode (year/month/day/hour/minute/second) with output compare; enables scheduled events, timestamped logging, and low-power wake-up every second. |
| Integrated temperature sensor | On-die sensor (−40 to +85°C range) with ADC channel; eliminates external thermistor in thermal protection and ambient monitoring applications. |
| High-current I/O pins | 8 pins capable of >20 mA sink/source; directly drive LEDs, small relays, or buzzer transducers without external drivers. |
| Low-power consumption | 0.01 µA in power-off 0 mode (RTC disabled); ideal for battery-backed systems requiring multi-year shelf life or infrequent wake-up. |
Applications
| Refrigerator Control Unit | Industrial Panel Meter |
|---|---|
Use Scenario: Real-time monitoring of compressor temperature, door-open duration, and defrost cycle timing in residential refrigerators. IC Role / Device Role / Timing Role: Primary controller executing PID-based temperature regulation, managing LCD display (32 segments), and logging fault events via internal data flash. Use Value: Integrated RTC and 8-channel A/D eliminate external timing and sensing ICs; −40°C rating ensures reliable startup in cold garage environments. | Use Scenario: Local measurement and display of voltage, current, and power factor in DIN-rail mounted industrial meters. IC Role / Device Role / Timing Role: Sensor interface MCU acquiring analog inputs, performing RMS calculations, updating 4-digit LCD display, and supporting serial configuration via UART0. Use Value: 56 I/O pins accommodate multiple analog inputs and LCD segments; high-current outputs drive backlight LEDs directly, reducing BOM cost. |
| Smart Thermostat HMI | Commercial Coffee Maker |
Use Scenario: Touch-sensitive UI with rotary encoder input, ambient temperature sensing, and scheduled heating profiles in wall-mounted thermostats. IC Role / Device Role / Timing Role: Human-machine interface controller managing key scan, LCD refresh, RTC-based scheduling, and communication with HVAC subsystem via UART. Use Value: Built-in comparator B supports zero-crossing detection for AC load control; data flash stores user preferences across power cycles. | Use Scenario: Brew cycle sequencing, water temperature control, pump actuation, and steam pressure monitoring in commercial espresso machines. IC Role / Device Role / Timing Role: Main system controller coordinating heater PWM, solenoid timing, A/D readings from NTC sensors, and 2-line LCD status display. Use Value: 16×16 multiplier accelerates PID loop computation; 20 MHz operation ensures sub-millisecond response for safety-critical overtemperature shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F2LA66ADFP | 32 KB program ROM, same 64-pin LQFP package and peripheral set. | Requires larger firmware image; suitable when bootloader, OTA update, or complex UI logic exceeds 16 KB. | Select when future firmware expansion headroom is needed without PCB redesign. |
| R5F2LA84ADFP | 80-pin LQFP, 72 I/O ports, 12-channel A/D, 40-segment LCD drive. | Higher I/O count and analog channel density; targets larger displays or multi-sensor systems where pin count is limiting. | Choose when >56 I/Os or >8 A/D channels are required; note package and layout change required. |
Compared with R5F2LA64ADFP#V0, R5F2LA66ADFP offers double ROM capacity in identical packaging for seamless firmware scaling, while R5F2LA84ADFP trades pin compatibility for expanded I/O and analog resources - making the former ideal for cost-sensitive upgrades and the latter for feature-rich re-designs.
Availability
R5F2LA64ADFP#V0 is available at Aetrix Electronics and suitable for refrigerator control units, industrial panel meters, smart thermostat HMIs, and commercial coffee makers requiring stable component supply and long-term industrial temperature qualification.
Supply support for R5F2LA64ADFP#V0 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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The R8C/LA6A Group is designed for cost-optimized, low-power embedded control in consumer and industrial appliances - emphasizing integrated LCD drive, robust analog sensing, and extended temperature operation without external timing or memory components.
FAQ
What is the operating voltage range for the R5F2LA64ADFP#V0?
The R5F2LA64ADFP#V0 operates from 1.8 V to 5.5 V. At 20 MHz, it requires VCC ≥ 2.7 V; at lower frequencies (e.g., 8 MHz), it supports down to 1.8 V - enabling flexible power architecture design including single-cell Li-ion or 3.3 V/5 V rail operation. All peripherals, including A/D and LCD drive, function across this full range.
Does the R5F2LA64ADFP#V0 include an integrated temperature sensor?
Yes, the R5F2LA64ADFP#V0 includes an on-die temperature sensor connected to the A/D converter. It is specified for −40 to +85°C (D version) and provides calibrated readings usable for thermal protection, ambient monitoring, or self-calibration routines without external components - verified in the R01DS0011EJ0101 datasheet Section 1.7.
What LCD configurations does the R5F2LA64ADFP#V0 support?
The R5F2LA64ADFP#V0 supports LCD bias of 1/2 or 1/3 and duty cycles of static, 1/2, 1/3, or 1/4. With up to 4 common and 32 segment outputs, it drives alphanumeric or custom segment displays typical in appliance control panels - all managed by dedicated LCD drive control circuitry without CPU intervention.
Is the R5F2LA64ADFP#V0 pin-compatible with other R8C/LA6A Group MCUs?
Yes, all R8C/LA6A Group MCUs in the PLQP0064KB-A package - including R5F2LA64ADFP#V0, R5F2LA66ADFP, and R5F2LA68ADFP - share identical 64-pin LQFP pinouts and electrical characteristics. Firmware and hardware designs are interchangeable within this group, enabling scalable memory upgrades without layout changes.
What debug and programming interfaces does the R5F2LA64ADFP#V0 support?
The R5F2LA64ADFP#V0 supports on-chip debugging via single-wire background debug mode (BDM) using the RES and TxD0 pins. It also features on-board flash rewrite capability, allowing in-system programming and firmware updates through UART0 or custom bootloader - eliminating need for external programmers in production or field service.
R5F2LA64ADFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- R8C/Lx/A6A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- R8C
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SIO, SSU, UART/USART
- Peripherals:
- LCD, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 56
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F2LA64ADFP#V0 FAQ
1.How can I place an order for R5F2LA64ADFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F2LA64ADFP#V0 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 R5F2LA64ADFP#V0 reliable?
The price and inventory of R5F2LA64ADFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F2LA64ADFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F2LA64ADFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F2LA64ADFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F2LA64ADFP#V0?
R5F2LA64ADFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F2LA64ADFP#V0 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 R5F2LA64ADFP#V0?
For technical support, including R5F2LA64ADFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F2LA64ADFP#V0 requirements.
6.How does Aetrix verify that R5F2LA64ADFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F2LA64ADFP#V0 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 R5F2LA64ADFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F2LA64ADFP#V0?
All R5F2LA64ADFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F2LA64ADFP#V0, 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 R5F2LA64ADFP#V0 part is unused and in its original packaging.
Return procedure for R5F2LA64ADFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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