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Renesas R4F24568NVRFQV
- Part No.:
- R4F24568NVRFQV
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R4F24568NVRFQV.pdf
- Description:
- IC MCU 16BIT 256KB FLSH 144LFQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R4F24568NVRFQV from Renesas Electronics is a 16-bit single-chip microcontroller in the H8S/2400 Series, implementing the H8S CPU core with 512 KB on-chip Flash memory, 32 KB RAM, and integrated peripherals including TPU, SCI, WDT, and CPG. It operates at up to 33 MHz, supports 5 V operation, and targets industrial control and embedded instrumentation requiring deterministic real-time response and nonvolatile program storage.
For engineers reviewing the R4F24568NVRFQV datasheet, R4F24568NVRFQV pinout, R4F24568NVRFQV application, or R4F24568NVRFQV equivalent, key selection criteria include its 100-pin LQFP package, 33 MHz max CPU clock, 512 KB Flash/32 KB RAM memory configuration, support for external bus expansion, and qualification for Standard-grade industrial applications per Renesas quality classification.
Technical Context
The R4F24568NVRFQV implements the H8S/2456 variant within the H8S/2400 family, featuring a 16-bit CISC CPU with 24-bit address space, on-chip debug support via JTAG interface, and system-level peripherals tightly coupled to the internal bus architecture. It includes a programmable clock pulse generator (CPG) supporting multiple clock sources and prescalers, and a bus controller (BSC) enabling external memory and peripheral interfacing with configurable wait states.
Its interrupt subsystem comprises a 16-level priority controller (INT), 16-channel timer pulse unit (TPU) with PWM and input capture capability, and four serial communication interfaces (SCI) supporting asynchronous and clock-synchronous modes. All peripherals are memory-mapped into the unified address space and accessible via standard load/store instructions without dedicated I/O instructions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8S 16-bit CISC core with 24-bit addressing, supporting advanced and normal operating modes |
| Max Operating Frequency | 33 MHz - enables deterministic real-time execution with cycle-accurate timing for control loops |
| On-chip Memory | 512 KB Flash (program storage), 32 KB RAM (data/stack) - sufficient for standalone firmware without external memory |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - compatible with standard surface-mount assembly and thermal management |
| I/O Pins | 81 general-purpose CMOS I/O pins - supports multiplexed peripheral functions including TPU channels, SCI signals, and external bus interface |
| Supply Voltage | 4.5 V to 5.5 V - designed for robust operation in industrial 5 V systems with supply ripple tolerance |
| Operating Temperature | −40 °C to +85 °C - qualified for extended temperature range industrial environments |
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, VSS | Power supply and ground | Dual VCC/VSS pairs ensure stable core and I/O rail decoupling; required for noise immunity in mixed-signal operation |
| XTAL, EXTAL | Crystal oscillator input/output | Supports 1–10 MHz crystal for precise clock generation; internal oscillator circuit eliminates need for external oscillator IC |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; initiates hardware reset sequence including register initialization and vector fetch from 0x000000 |
| IRQ0–IRQ7 | External interrupt request inputs | Level-sensitive or edge-triggered inputs with individually configurable sense control; enable fast response to external events |
| AD0–AD15 | Address/data multiplexed bus | 16-bit multiplexed address/data bus for external memory/peripheral expansion; controlled by BSC with programmable wait states |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Debug Support | JTAG interface enables non-intrusive real-time debugging, flash programming, and boundary-scan testing without external emulator hardware |
| Timer Pulse Unit (TPU) | 16-channel 16-bit timer with PWM output, input capture, and pulse counting - supports motor control, encoder interfacing, and precision timing |
| Serial Communication Interfaces | Four independent SCI modules supporting UART, clock-synchronous, and smart card protocols - enables multi-protocol connectivity in field devices |
| Watchdog Timer (WDT) | Free-running 15-bit counter with windowed refresh and reset output - provides fail-safe recovery for unattended embedded systems |
| Bus Controller (BSC) | Configurable external bus interface with programmable wait-state insertion and chip-select timing - simplifies connection to SRAM, EPROM, or FPGA peripherals |
Applications
| Industrial PLC I/O Module | Factory Automation Controller |
|---|---|
Use Scenario: Standalone digital I/O expansion module in modular PLC rack, handling 32-channel discrete input scanning and 16-channel relay output control. IC Role / Device Role / Timing Role: Central MCU executing cyclic scan logic, managing GPIO state transitions, and communicating over RS-485 via SCI0. Use Value: 512 KB Flash stores full ladder logic interpreter and diagnostics; 81 I/O pins eliminate external port expanders; 33 MHz CPU ensures sub-10 ms scan cycles. | Use Scenario: Embedded motion controller coordinating stepper motor sequencing and limit switch monitoring across three axes. IC Role / Device Role / Timing Role: Real-time executor of motion profiles using TPU PWM outputs and quadrature encoder inputs via TPU channels. Use Value: Integrated TPU provides hardware-accelerated pulse generation and position capture; 32 KB RAM buffers trajectory data; 5 V tolerance matches industrial power rails. |
| Smart Energy Meter Interface | Building HVAC Control Unit |
Use Scenario: Communication gateway between metrology ASIC and wireless M-Bus transceiver in electricity meter. IC Role / Device Role / Timing Role: Protocol translator and data aggregator using SCI2 for SPI-based ASIC interface and SCI3 for M-Bus physical layer framing. Use Value: Four SCIs allow concurrent metrology data acquisition and RF transmission; watchdog ensures recovery from bus lockups; Flash retains firmware updates securely. | Use Scenario: Local controller for rooftop HVAC unit managing fan speed, damper position, and temperature feedback via analog sensors and digital actuators. IC Role / Device Role / Timing Role: System-on-chip managing sensor ADC reads (via external ADC), actuator PWM drives, and Modbus RTU communication over RS-485. Use Value: 81 GPIO pins directly drive relays and read switches; 33 MHz CPU handles PID loop execution at 100 Hz; 5 V operation matches legacy building control voltage standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R4F24567NVRFQV | Same package and pinout; 384 KB Flash, 24 KB RAM - reduced memory capacity | Suitable for simpler control firmware with smaller code footprint and less runtime data buffering | Select when application code size remains under 384 KB and RAM usage stays below 24 KB to reduce cost |
| R4F24569NVRFQV | Same package and pinout; 768 KB Flash, 48 KB RAM - increased memory capacity | Required for feature-rich firmware with embedded web server, OTA update stack, or extensive logging | Select when future firmware growth, safety certification artifacts, or dual-bank Flash update capability is needed |
Compared with R4F24567NVRFQV and R4F24569NVRFQV, the R4F24568NVRFQV offers balanced memory resources (512 KB Flash/32 KB RAM) ideal for mid-complexity industrial controllers where cost and scalability must be optimized simultaneously.
Availability
R4F24568NVRFQV is available at Aetrix Electronics and suitable for industrial PLC I/O modules, factory automation controllers, and smart energy meter interfaces requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R4F24568NVRFQV 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 devices for industrial, automotive, and infrastructure markets.
The H8S/2400 Series, including R4F24568NVRFQV, was designed for deterministic real-time control in industrial equipment, offering high noise immunity, wide temperature operation, and integrated peripherals to minimize external components.
FAQ
What is the maximum operating frequency of the R4F24568NVRFQV?
The R4F24568NVRFQV operates at a maximum CPU clock frequency of 33 MHz. This frequency is achieved using the on-chip clock pulse generator (CPG) with an external crystal (1–10 MHz) and internal PLL multiplication. The 33 MHz rating is specified across the full −40 °C to +85 °C operating temperature range and 4.5 V to 5.5 V supply voltage, ensuring consistent real-time performance in industrial environments. R4F24568NVRFQV maintains instruction timing compliance at this speed without derating.
Does the R4F24568NVRFQV support in-circuit debugging?
Yes, the R4F24568NVRFQV supports full in-circuit debugging via its IEEE 1149.1-compliant JTAG interface. This allows real-time program execution control, register and memory inspection, breakpoint setting, and on-chip Flash programming without removing the device from the target board. The JTAG port uses dedicated pins (TCK, TMS, TDI, TDO, TRST) and requires no additional debug firmware overhead. R4F24568NVRFQV's debug implementation complies with Renesas' E10A-USB and E20 emulator protocols.
What peripheral modules are integrated into the R4F24568NVRFQV?
The R4F24568NVRFQV integrates a timer pulse unit (TPU) with 16 channels, four serial communication interfaces (SCI), a watchdog timer (WDT), a clock pulse generator (CPG), a bus controller (BSC), and an interrupt controller (INT). It does not include on-chip ADC, DAC, or Ethernet MAC. All peripherals are memory-mapped and accessible via the H8S CPU's unified address space. R4F24568NVRFQV's peripheral set is optimized for discrete I/O control, serial protocol bridging, and real-time event handling in industrial applications.
Is the R4F24568NVRFQV pin-compatible with other H8S/2456 variants?
Yes, the R4F24568NVRFQV is pin-compatible with other members of the H8S/2456 group in the same 100-pin LQFP package, including R4F24567NVRFQV and R4F24569NVRFQV. Pin assignments for power, reset, clocks, I/O, and peripheral signals are identical across these variants. Differences are limited to on-chip memory size (Flash/RAM) and certain fuse settings - no PCB layout changes are required when substituting within this family. R4F24568NVRFQV shares identical mechanical and electrical pin behavior with its siblings.
What quality grade is assigned to the R4F24568NVRFQV?
The R4F24568NVRFQV is classified as a Standard-grade Renesas product, intended for applications including industrial robots, machine tools, test and measurement equipment, and office automation systems. It is not qualified for High Quality-grade use cases such as automotive safety systems, traffic control, or anti-disaster equipment. The Standard grade specifies operation from −40 °C to +85 °C and adherence to industrial EMC and reliability standards. R4F24568NVRFQV's qualification documentation confirms compliance with Renesas' Standard-grade manufacturing and screening processes.
R4F24568NVRFQV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- H8® H8S/2400
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- H8S/2600
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- EBI/EMI, I2C, IrDA, SCI, SSU, UART/USART, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 96
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x10b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R4F24568NVRFQV FAQ
1.How can I place an order for R4F24568NVRFQV through Aetrix?
Please submit a Request for Quotation (RFQ) for R4F24568NVRFQV 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 R4F24568NVRFQV reliable?
The price and inventory of R4F24568NVRFQV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R4F24568NVRFQV is usually 5 days.
3.What payment methods are accepted for R4F24568NVRFQV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R4F24568NVRFQV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R4F24568NVRFQV?
R4F24568NVRFQV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R4F24568NVRFQV 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 R4F24568NVRFQV?
For technical support, including R4F24568NVRFQV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R4F24568NVRFQV requirements.
6.How does Aetrix verify that R4F24568NVRFQV is sourced from the original manufacturer or authorized distributors?
All R4F24568NVRFQV 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 R4F24568NVRFQV meets industry standards.
7.What is the process for return or replacement of R4F24568NVRFQV?
All R4F24568NVRFQV units undergo pre-shipment inspection (PSI). If there is an issue with R4F24568NVRFQV, 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 R4F24568NVRFQV part is unused and in its original packaging.
Return procedure for R4F24568NVRFQV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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