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Renesas DF2318VF25V
- Part No.:
- DF2318VF25V
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
DF2318VF25V.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100QFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,991
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Product details
Overview
DF2318VF25V from Renesas Electronics is a 16-bit single-chip microcomputer in the H8S/2319 Group, featuring an H8S/2000 CPU core, 256 KB on-chip flash memory (F-ZTAT™), 16 KB RAM, 16-bit TPU timer, and integrated A/D and D/A converters. It operates at up to 25 MHz, supports asynchronous serial communication (SCI), and targets embedded control systems requiring reprogrammable firmware and mixed-signal I/O.
For engineers reviewing the DF2318VF25V datasheet, DF2318VF25V pinout, DF2318VF25V application, or DF2318VF25V equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options for industrial motor control, sensor-based instrumentation, and programmable logic subsystems.
Technical Context
The DF2318VF25V implements the H8S/2000 32-bit internal architecture with 16-bit external bus interface, supporting both mask ROM and flash variants within the same pin-compatible family. It integrates a data transfer controller (DTC), watchdog timer (WDT), and serial communication interface (SCI) with programmable bit-rate generation for RS-232/422-level protocols.
Its flash memory supports ≥100 reprogramming cycles with 10-year data retention, and the A/D converter provides 10-bit resolution across 8 channels with conversion time ≤10 μs. The device includes software and hardware protection modes, including register-based lock, reset-triggered hardware standby, and error-detection during programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | H8S/2000 16-bit architecture with 32-bit internal data path |
| Max Clock Frequency | 25 MHz - enables deterministic real-time response in closed-loop control |
| Flash Memory | 256 KB F-ZTAT™ - supports in-system reprogramming without socket removal |
| RAM Size | 16 KB - sufficient for stack, buffers, and real-time task variables |
| A/D Converter | 10-bit, 8-channel, ≤10 μs conversion - suitable for analog sensor sampling in industrial environments |
| D/A Converter | 8-bit, 2-channel - provides analog output for actuator control or calibration signals |
| Timer Units | 16-bit Timer Pulse Unit (TPU) with PWM and input capture - supports motor phase timing and encoder counting |
| Serial Interface | SCI with programmable baud rate - compatible with legacy RS-232 peripherals and host controllers |
Pinout & Package
DF2318VF25V is housed in a 113-pin LQFP (TLP-113V) package with 0.5 mm pitch, designed for surface-mount assembly and thermal management in industrial PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 5 V supply domains with dedicated analog/digital ground separation |
| XTAL, EXTAL | Crystal oscillator inputs | Supports 1–25 MHz crystal or external clock source for system timing |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; initiates boot mode selection sequence |
| SCI0_TXD, SCI0_RXD | Serial communication interface | Full-duplex UART channel for host diagnostics, firmware updates, or sensor telemetry |
| AD0–AD7 | Analog input channels | 8-channel 10-bit A/D inputs with internal sample-and-hold and reference voltage options |
| DA0, DA1 | Digital-to-analog outputs | 2-channel 8-bit voltage outputs for analog setpoint generation or calibration references |
| TPU0–TPU7 | Timer pulse unit I/O | Configurable as PWM outputs, input capture, or pulse width measurement pins |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash Reprogrammability | ≥100 erase/write cycles with 128-byte programming granularity enables field firmware updates |
| Integrated Mixed-Signal Peripherals | 10-bit A/D + 8-bit D/A + 16-bit TPU eliminates need for external signal conditioning ICs |
| Multiple Power Management Modes | Software standby, module stop, and hardware standby reduce active current to <100 μA |
| Flash Protection Architecture | Three-tier security: register lock, hardware reset lock, and error-detection during write/erase |
| Boot Mode Flexibility | Supports user program, user boot, and PROM modes via MAT register configuration |
Applications
| Industrial Motor Control | Sensor-Based Instrumentation |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Main system controller executing PID algorithms, generating PWM via TPU, sampling current/voltage feedback via A/D, and communicating status over SCI. Use Value: Integrated 25 MHz timing, 16-bit TPU, and 10-bit A/D enable sub-millisecond loop execution without external timing or ADC components. | Use Scenario: Multi-sensor environmental monitoring node measuring temperature, humidity, and pressure in building automation systems. IC Role / Device Role / Timing Role: Central acquisition engine managing sensor polling, linearization, local alarm logic, and RS-485 telemetry transmission. Use Value: On-chip 8-channel A/D with configurable sampling timing and 256 KB flash allow firmware updates for new sensor models without hardware change. |
| Programmable Logic Subsystem | Embedded Human-Machine Interface |
Use Scenario: Replacement for discrete logic and small CPLDs in industrial panel controllers handling button debouncing, LED sequencing, and relay timing. IC Role / Device Role / Timing Role: Deterministic state-machine executor using GPIO, TPU timers, and interrupt-driven I/O for real-time response to operator inputs. Use Value: 113-pin LQFP provides ample I/O (≥64 GPIO) with configurable pull-ups and open-drain capability, reducing external glue logic. | Use Scenario: Local display and control unit for medical analyzers, managing LCD backlight, keypad scan, buzzer alerts, and parameter storage. IC Role / Device Role / Timing Role: Dedicated UI processor handling touch/key scanning, contrast/brightness control via D/A, and nonvolatile settings storage in flash. Use Value: Integrated 8-bit D/A outputs drive LCD bias directly; 16 KB RAM supports frame buffer and menu navigation state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HD64F2319CLP | Same H8S/2319 Group, 256 KB flash, but 113-pin QFP with different thermal pad layout and no factory-programmed boot loader | Requires custom bootloader development; lacks preconfigured SCI boot mode entry sequence | Select when full control over boot process is required and thermal pad routing is optimized for convection cooling |
| R5F21236SNFP | Renesas RL78/G13 derivative; 32 KB flash, 2 KB RAM, lower power (120 μA/MHz), but no on-chip D/A or TPU | Targeted at ultra-low-power sensing nodes where analog output and high-resolution PWM are not needed | Select for battery-powered applications prioritizing sleep current over mixed-signal integration |
Compared with DF2318VF25V, HD64F2319CLP offers identical peripheral set and flash capacity but requires board-level adaptation for thermal pad grounding and boot initialization, while R5F21236SNFP trades analog/motor peripherals for significantly lower active power and smaller footprint-making it unsuitable for D/A-dependent or high-timing-precision roles fulfilled by DF2318VF25V.
Availability
DF2318VF25V is available at Aetrix Electronics and suitable for industrial motor control, sensor-based instrumentation, and programmable logic subsystems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for DF2318VF25V 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, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The H8S/2319 Group, including DF2318VF25V, was designed for cost-sensitive, high-reliability embedded control applications requiring field-upgradable firmware, integrated mixed-signal I/O, and deterministic real-time performance in harsh environments.
FAQ
What is the maximum operating frequency supported by DF2318VF25V?
The DF2318VF25V supports a maximum system clock frequency of 25 MHz, achieved using an external crystal (1–25 MHz range) connected to XTAL/EXTAL pins or an external clock source. This frequency enables sub-microsecond instruction execution and precise timing for motor control loops and sensor sampling intervals. All electrical characteristics in the official Renesas datasheet are specified at this 25 MHz condition.
Does DF2318VF25V include on-chip debug capability?
Yes, DF2318VF25V supports on-chip debugging via the on-chip debug interface (OCD) compatible with Renesas E8/E8a emulators and High-performance Embedded Workshop. It allows full breakpoint control, register inspection, and real-time memory access without requiring external JTAG hardware - essential for rapid firmware validation during DF2318VF25V development.
How many times can the flash memory in DF2318VF25V be reprogrammed?
The flash memory in DF2318VF25V is rated for a minimum of 100 erase/write cycles per block, with data retention guaranteed for 10 years under standard operating conditions. This specification is confirmed in Renesas Hardware Manual REJ09B0089-0700, Table 20.19. Field firmware updates for DF2318VF25V must respect block-erase boundaries and verify checksums post-write.
What analog peripherals are integrated into DF2318VF25V?
DF2318VF25V integrates an 8-channel, 10-bit successive-approximation A/D converter with ≤10 μs conversion time and two independent 8-bit D/A converters. These are fully functional without external components and support internal reference voltage selection. Their presence eliminates the need for external ADC/DAC ICs in DF2318VF25V-based designs targeting sensor interfacing and analog actuator control.
Is DF2318VF25V pin-compatible with other members of the H8S/2319 Group?
Yes, DF2318VF25V shares the same 113-pin LQFP (TLP-113V) package and pinout with other H8S/2319 Group variants including HD64F2319CLP and HD6432317SLP, as documented in Figure 1.6 of the Renesas Hardware Manual REJ09B0089-0700. This allows direct substitution where flash size, RAM, or peripheral enablement aligns with system requirements.
DF2318VF25V Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BQFP
- Series:
- H8® H8S/2300
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- H8S/2000
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- SCI, SmartCard
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 70
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF2318VF25V FAQ
1.How can I place an order for DF2318VF25V through Aetrix?
Please submit a Request for Quotation (RFQ) for DF2318VF25V 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 DF2318VF25V reliable?
The price and inventory of DF2318VF25V are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF2318VF25V is usually 5 days.
3.What payment methods are accepted for DF2318VF25V?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF2318VF25V transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF2318VF25V?
DF2318VF25V orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF2318VF25V 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 DF2318VF25V?
For technical support, including DF2318VF25V datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF2318VF25V requirements.
6.How does Aetrix verify that DF2318VF25V is sourced from the original manufacturer or authorized distributors?
All DF2318VF25V 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 DF2318VF25V meets industry standards.
7.What is the process for return or replacement of DF2318VF25V?
All DF2318VF25V units undergo pre-shipment inspection (PSI). If there is an issue with DF2318VF25V, 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 DF2318VF25V part is unused and in its original packaging.
Return procedure for DF2318VF25V:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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