Renesas DF2328VF25IV

Overview

DF2328VF25IV from Renesas Technology Corp. is a 16-bit single-chip microcontroller based on the H8S/2000 CPU core, featuring 256 KB on-chip F-ZTAT™ flash memory and 8 KB RAM. It supports up to 25 MHz operation at 2.7–3.6 V supply, integrates a 16-bit timer pulse unit (TPU), SCI, A/D converter, and DMA controller, and targets embedded control in industrial automation and motor drive systems.

For engineers reviewing the DF2328VF25IV datasheet, DF2328VF25IV pinout, DF2328VF25IV application, or DF2328VF25IV equivalent, this page delivers verified technical context, exact package mapping (TFP-120), validated pin functions, real-world use cases, and two confirmed alternative parts with documented functional and application-level differences.

Technical Context

The DF2328VF25IV implements the H8S/2000 32-bit internal architecture with sixteen 16-bit general-purpose registers and a linear 16-Mbyte address space. It executes basic instructions in one state and supports C-language efficiency via an optimized instruction set.

On-chip peripherals include a programmable pulse generator (PPG), watchdog timer (WDT), serial communication interface (SCI), 8-channel 10-bit A/D converter, and dual-channel DMAC with data transfer controller (DTC) for CPU-offload data movement - all operating under eight selectable MCU modes, including single-chip and expansion configurations.

Key Specifications

Pinout & Package

DF2328VF25IV is housed in a TFP-120 package: thin fine-pitch plastic quad flat pack with 120 leads, 0.4 mm lead pitch, and 14 mm × 14 mm body size. Pin functions are mode-dependent; key pins include RES (active-low reset input), MD0–MD2 (operating mode selection), VCC/VSS (power/ground), and WDTOVF (watchdog timeout flag output).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with DF2328VF25IV, HD64F2328F25 demands mechanical redesign but offers identical functionality, while H8S/2329F25 provides higher memory capacity and added security features at the cost of minor pin-function compatibility checks.

Availability

DF2328VF25IV is available at Aetrix Electronics and suitable for industrial PLC I/O modules, motor drive control units, energy meter data acquisition, and building automation controllers requiring stable component supply across multi-year production cycles.

Supply support for DF2328VF25IV 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 Technology Corp. is a Japanese semiconductor manufacturer formed in 2003 through the merger of Hitachi and Mitsubishi Electric's semiconductor operations, specializing in microcontrollers, analog, and power devices.

The H8S/2328 Series was designed for cost-sensitive, high-reliability embedded control applications demanding integrated flash, real-time peripherals, and industrial-grade voltage/temperature tolerance - targeting factory automation and infrastructure equipment.

FAQ

What is the maximum operating frequency of the DF2328VF25IV?

The DF2328VF25IV operates at up to 25 MHz when supplied with 2.7–3.6 V. This frequency is validated under Condition B (VCC = 3.0–3.6 V) per the H8S/2328 Series Hardware Manual Rev. 4.0, enabling deterministic real-time response for motor control and PLC scan cycles. The DF2328VF25IV achieves this without external clock multiplication.

Does the DF2328VF25IV support in-system programming of its flash memory?

Yes, the DF2328VF25IV supports in-system programming via its on-chip F-ZTAT™ flash memory. Programming is performed using standard VCC supply (no high-voltage VPP required), with dedicated flash control registers (FLMCR1/FLMCR2) and boot/user program modes defined in Section 19 of the hardware manual. The DF2328VF25IV does not require external programmers for firmware updates.

What package type is used for the DF2328VF25IV?

The DF2328VF25IV uses the TFP-120 package: a thin fine-pitch plastic QFP with 120 leads, 0.4 mm pitch, and 14 mm × 14 mm body size. Pin functions match those specified in Table 1-3 of the H8S/2328 Series Hardware Manual, including dedicated VCC/VSS pins and mode-select inputs MD0–MD2. This package is distinct from the FP-128B used in HD64F2328F25.

How many A/D converter channels does the DF2328VF25IV have, and what is their resolution?

The DF2328VF25IV integrates an 8-channel, 10-bit successive approximation register (SAR) A/D converter. Per Table 22-10 and Table 22-20 in the hardware manual, it achieves ±0.5 LSB quantization error under Condition B (VCC = 3.0–3.6 V), supporting simultaneous sampling and flexible trigger sources including TPU events and external signals - critical for sensor synchronization in DF2328VF25IV-based control systems.

Is the DF2328VF25IV pin-compatible with other H8S/2328 series variants?

The DF2328VF25IV shares the TFP-120 package and core pinout with other H8S/2328 F-ZTAT variants (e.g., DF2328VF20), but is not pin-compatible with FP-128B-packaged parts like HD64F2328F25 due to differing pin count and pitch. Critical differences include absence of the VCL pin (present only in H8S/2326C) and fixed WDTOVF function - always validate against the specific variant's Table 1-3 before substitution.