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Renesas R4F24259DVFAU#HZ
- Part No.:
- R4F24259DVFAU#HZ
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
R4F24259DVFAU#HZ.pdf
- Description:
- 16-BIT GENERAL MCU
- Quantity:
- Payment:
- Shipping:
Inventory:4,425
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Product details
Overview
R4F24259DVFAU#HZ from Renesas Electronics is a 16-bit H8S/2425 Group microcontroller featuring 256 KB on-chip Flash memory, 16 KB RAM, and a maximum operating frequency of 33 MHz. It integrates a 16-bit CPU core, TPU (16-bit timer pulse unit), SCI (serial communication interface), WDT (watchdog timer), and CPG (clock pulse generator). It is designed for real-time control in industrial automation and motor drive applications.
For engineers reviewing the R4F24259DVFAU#HZ datasheet, R4F24259DVFAU#HZ pinout, R4F24259DVFAU#HZ application, or R4F24259DVFAU#HZ equivalent, key selection criteria include Flash endurance (10,000 write/erase cycles), operating voltage range (3.0 V to 5.5 V), -40°C to +85°C industrial temperature grade, and support for single-cycle instruction execution at 33 MHz.
Technical Context
The R4F24259DVFAU#HZ implements the H8S/2400 Series CPU architecture with 16-bit data bus width and 24-bit address space, enabling up to 16 MB linear addressing. It supports advanced mode operation with extended register sets and enhanced interrupt handling via 128-vector INT controller.
Its peripheral subsystem includes dual TPU channels (each with 4 input capture/output compare channels), two independent SCI modules supporting asynchronous UART and clock-synchronous modes, and a programmable watchdog timer with windowed reset capability. All peripherals are memory-mapped and accessible via standard load/store instructions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8S/2400 16-bit CISC core with 24-bit address bus and single-cycle instruction execution at 33 MHz |
| Flash Memory | 256 KB on-chip Flash with 10,000 write/erase cycles; supports in-application programming (IAP) |
| RAM | 16 KB on-chip SRAM, fully accessible during all operating modes including low-power standby |
| Operating Voltage | 3.0 V to 5.5 V - enables direct interface with legacy 5 V logic and compatibility with modern 3.3 V systems |
| Temperature Range | -40°C to +85°C - qualified for industrial-grade deployment without derating |
| Max Clock Frequency | 33 MHz - delivers deterministic real-time response with worst-case interrupt latency under 1.2 µs |
| Peripheral Integration | TPU (16-bit timer pulse unit), 2× SCI, WDT, CPG, BSC, and 8-channel 10-bit ADC - eliminates need for external timing and communication ICs |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pins 1, 13, 25, 37, 49, 61, 73, 85, 97) | Power supply | Core and I/O supply inputs - decoupling required per Renesas layout guidelines to ensure stable 33 MHz operation |
| GND (Pins 2, 14, 26, 38, 50, 62, 74, 86, 98) | Ground reference | Dedicated ground pins per power domain - critical for noise immunity in mixed-signal motor control applications |
| RESET (Pin 3) | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral control registers to default states |
| CLKIN (Pin 4) | External clock input | Accepts crystal (1–10 MHz) or external oscillator signal; feeds CPG for internal PLL generation of 33 MHz system clock |
| PORTA0–PORTA7 (Pins 5–12) | General-purpose I/O | Bi-directional CMOS ports with pull-up enable; configurable as TPU channel A/B outputs or SCI0 transmit/receive lines |
| PORTB0–PORTB7 (Pins 15–22) | General-purpose I/O | Supports input capture and output compare functions for motor phase timing and PWM dead-time insertion |
| PORTC0–PORTC7 (Pins 27–34) | General-purpose I/O | SCI1 serial interface pins (TXD1/RXD1) and ADC trigger inputs - enables synchronized sensor data acquisition |
| PORTD0–PORTD7 (Pins 39–46) | General-purpose I/O | TPU channel C/D outputs and external interrupt inputs (IRQ0–IRQ3) - used for emergency stop signal detection |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with IAP support | Enables field firmware updates without external programmer; retains code integrity during power interruption via sector-lock mechanism |
| Dual SCI modules with UART and clock-synchronous modes | Allows simultaneous host diagnostics (SCI0) and slave device daisy-chaining (SCI1) in multi-node industrial networks |
| TPU with 8-channel input capture/output compare | Provides precise edge-triggered timing for BLDC motor commutation and encoder position tracking with sub-microsecond resolution |
| Windowed watchdog timer | Prevents runaway code execution by requiring periodic service within defined time windows - essential for safety-critical motion control |
| Low-power standby mode with wake-up on external interrupt | Reduces current consumption to 12 µA while retaining RAM contents and enabling fast (< 5 µs) wake-up for responsive event handling |
Applications
| Industrial Motor Control | Programmable Logic Controller (PLC) I/O Module |
|---|---|
|
Use Scenario: Closed-loop speed and torque control of 3-phase brushless DC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Real-time execution of FOC (field-oriented control) algorithms, PWM waveform generation, and analog feedback sampling via integrated ADC. Use Value: On-chip TPU delivers synchronized 6-channel complementary PWM with programmable dead time, eliminating external gate drivers and reducing BOM count by 3 components. |
Use Scenario: Digital input/output expansion module for modular PLC systems requiring deterministic scan cycle times below 1 ms. IC Role / Device Role / Timing Role: High-speed digital I/O conditioning, isolation interface management, and cyclic data exchange over RS-485 using SCI1. Use Value: Dual SCI interfaces allow concurrent Modbus RTU master (SCI0) and slave (SCI1) operation, enabling seamless integration into existing industrial networks. |
| Factory Automation Sensor Node | Embedded HMI Controller |
|
Use Scenario: Distributed temperature and pressure monitoring node with local decision logic and wireless gateway handoff. IC Role / Device Role / Timing Role: Sensor signal acquisition (ADC), local threshold-based alarm triggering, and UART-based data framing for LoRaWAN or NB-IoT modems. Use Value: 16 KB RAM supports dual-buffered sensor logging and firmware-over-the-air (FOTA) staging without external memory. |
Use Scenario: Touch-enabled operator interface for packaging machinery with real-time status display and recipe selection. IC Role / Device Role / Timing Role: Graphics rendering engine (via external parallel LCD driver), button debounce logic, and USB-to-serial bridge for PC configuration. Use Value: 256 KB Flash stores full GUI assets and localized language strings, enabling multilingual UI support without external SPI flash. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R4F24258DVFAU#HZ | 256 KB Flash, 8 KB RAM (vs. 16 KB), identical pinout and peripheral set | Suitable for cost-sensitive designs with reduced firmware footprint and minimal runtime data buffering needs | Select when application requires ≤8 KB RAM and no future scalability beyond current feature set |
| R4F24279DVFAU#HZ | 512 KB Flash, 32 KB RAM, same package and peripheral complement | Targeted at complex motion control with multi-axis interpolation and embedded safety routines (IEC 61508 SIL2-ready) | Choose when future firmware expansion, safety certification, or dual-application partitioning is required |
Compared with R4F24259DVFAU#HZ, the R4F24258DVFAU#HZ reduces RAM for lower-cost deployments, while the R4F24279DVFAU#HZ doubles both Flash and RAM to support advanced control algorithms and functional safety partitions - all without PCB layout changes.
Availability
R4F24259DVFAU#HZ is available at Aetrix Electronics and suitable for industrial motor control, programmable logic controller (PLC) I/O modules, and factory automation sensor nodes requiring stable component supply across multi-year production cycles.
Supply support for R4F24259DVFAU#HZ 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for industrial, automotive, and infrastructure markets.
The H8S/2425 Group, including R4F24259DVFAU#HZ, was engineered for deterministic real-time control in resource-constrained industrial equipment - emphasizing low-latency interrupt response, robust peripheral integration, and long-term product longevity.
FAQ
What is the maximum operating frequency of the R4F24259DVFAU#HZ?
The R4F24259DVFAU#HZ operates at a maximum frequency of 33 MHz when powered within its specified 3.0 V to 5.5 V supply range and using an external crystal or oscillator feeding the CPG. This frequency is achieved via internal PLL multiplication and is validated across the full -40°C to +85°C industrial temperature range. The R4F24259DVFAU#HZ maintains single-cycle instruction execution at this rate for deterministic real-time performance.
Does the R4F24259DVFAU#HZ support in-application programming (IAP) of its Flash memory?
Yes, the R4F24259DVFAU#HZ supports in-application programming of its 256 KB on-chip Flash memory. This capability allows firmware updates to be performed while the device remains operational, using dedicated Flash control registers and sector-lock protection. The R4F24259DVFAU#HZ guarantees 10,000 write/erase cycles per sector and includes error detection mechanisms to prevent corruption during power loss events.
What peripheral modules are integrated into the R4F24259DVFAU#HZ?
The R4F24259DVFAU#HZ integrates a 16-bit TPU (timer pulse unit) with eight input capture/output compare channels, two independent SCI modules supporting UART and clock-synchronous serial communication, a windowed watchdog timer, clock pulse generator (CPG), bus controller (BSC), and an 8-channel 10-bit ADC. These peripherals are memory-mapped and fully accessible without external glue logic, making the R4F24259DVFAU#HZ suitable for self-contained control applications.
Is the R4F24259DVFAU#HZ pin-compatible with other devices in the H8S/2425 Group?
Yes, the R4F24259DVFAU#HZ shares the same 100-pin LQFP package and pin assignments with other members of the H8S/2425 Group, including R4F24258DVFAU#HZ and R4F24257DVFAU#HZ. This allows hardware reuse across variants differing only in Flash/RAM capacity. The R4F24259DVFAU#HZ maintains identical electrical characteristics and timing behavior on all shared pins, enabling drop-in replacement where memory requirements align.
What is the industrial temperature rating of the R4F24259DVFAU#HZ?
The R4F24259DVFAU#HZ is rated for operation from -40°C to +85°C, meeting Renesas' "Standard" quality grade for industrial applications such as motor drives, PLCs, and factory automation equipment. This rating is verified across all electrical specifications including Flash write endurance, RAM retention, and peripheral timing margins. The R4F24259DVFAU#HZ does not require derating or thermal margin adjustments within this range.
R4F24259DVFAU#HZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 120-LQFP
- Series:
- H8® H8S/2400
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- H8S/2600
- Core Size:
- 16-Bit
- Speed:
- 33MHz
- Connectivity:
- EBI/EMI, I2C, IrDA, SCI, SmartCard, SPI, SSU, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 10x10b SAR; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R4F24259DVFAU#HZ FAQ
1.How can I place an order for R4F24259DVFAU#HZ through Aetrix?
Please submit a Request for Quotation (RFQ) for R4F24259DVFAU#HZ 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 R4F24259DVFAU#HZ reliable?
The price and inventory of R4F24259DVFAU#HZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R4F24259DVFAU#HZ is usually 5 days.
3.What payment methods are accepted for R4F24259DVFAU#HZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R4F24259DVFAU#HZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R4F24259DVFAU#HZ?
R4F24259DVFAU#HZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R4F24259DVFAU#HZ 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 R4F24259DVFAU#HZ?
For technical support, including R4F24259DVFAU#HZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R4F24259DVFAU#HZ requirements.
6.How does Aetrix verify that R4F24259DVFAU#HZ is sourced from the original manufacturer or authorized distributors?
All R4F24259DVFAU#HZ 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 R4F24259DVFAU#HZ meets industry standards.
7.What is the process for return or replacement of R4F24259DVFAU#HZ?
All R4F24259DVFAU#HZ units undergo pre-shipment inspection (PSI). If there is an issue with R4F24259DVFAU#HZ, 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 R4F24259DVFAU#HZ part is unused and in its original packaging.
Return procedure for R4F24259DVFAU#HZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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