Renesas DF3024X25V

Overview

DF3024X25V from Renesas Technology Corp. is a 16-bit single-chip microcontroller in the H8/3024F-ZTAT™ family, featuring an H8/300H CPU core with 32-bit internal architecture, 128 KB on-chip flash memory, 4 KB RAM, and integrated peripherals including A/D and D/A converters, SCI, TPC, WDT, and programmable I/O ports. It operates at up to 25 MHz and targets embedded control systems requiring field-upgradable firmware.

For engineers reviewing the DF3024X25V datasheet, DF3024X25V pinout, DF3024X25V application, or DF3024X25V equivalent, key selection criteria include flash endurance (100–10,000 reprogramming cycles), data retention (≥10 years), 25 MHz max operating frequency, and compatibility with H8/300H instruction set and development tools like High-Performance Embedded Workshop.

Technical Context

The DF3024X25V implements the H8/300H CPU core with 24-bit address space, supporting both big-endian and little-endian data formats via software configuration. Its bus controller provides configurable chip select timing, wait-state insertion, and address output modes (Mode 1 or Mode 2) for interfacing with external memory and peripherals.

Peripheral integration includes a 10-bit A/D converter with 8 input channels, a 8-bit D/A converter, dual 16-bit timers plus four 8-bit timers, and a programmable Timing Pattern Controller (TPC) for motor control waveform generation - all mapped into a unified memory-mapped I/O register space accessible via standard load/store instructions.

Key Specifications

Pinout & Package

DF3024X25V is available in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch), with pin functions defined across seven I/O ports (Port 1–6 and Port B), dedicated control signals (RESET, CLK, XIN/XOUT), and peripheral-specific pins (e.g., AD0–AD7, DA0–DA7, TXD/RXD, TMIO0–TMIO3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F3024F and H8/3026F-ZTAT, DF3024X25V offers identical core functionality and flash endurance but is specifically characterized for 25 MHz operation and marked for commercial-grade use - making it optimal for cost-sensitive, volume production of mid-complexity embedded controllers.

Availability

DF3024X25V is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, PLC I/O modules, and medical infusion pump controllers requiring stable component supply and long-term lifecycle support.

Supply support for DF3024X25V 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 specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure applications.

The H8/3024 Group was designed as a high-performance, flash-based 16-bit MCU platform for sophisticated embedded control systems requiring field-upgradability, mixed-signal integration, and deterministic real-time response - particularly in motor drives and programmable logic subsystems.

FAQ

What is the maximum operating frequency supported by DF3024X25V?

The DF3024X25V is rated for a maximum operating frequency of 25 MHz, as confirmed in the Electrical Characteristics section (Section 21.2.6) of the H8/3024 Hardware Manual Rev. 2.00. This frequency is achievable with a stable 5 V supply and appropriate external crystal or resonator connected to XIN/XOUT. The DF3024X25V maintains full peripheral functionality-including A/D conversion, SCI communication, and TPC waveform generation-at this speed.

Does DF3024X25V include on-chip flash memory, and what are its endurance specifications?

Yes, DF3024X25V integrates 128 KB of on-chip single-power-supply flash memory (F-ZTAT™). Per Section 21.2.6 of the hardware manual, its guaranteed reprogramming count ranges from 100 to 10,000 cycles depending on conditions, with a minimum data retention period of 10 years when programmed within specification limits. The DF3024X25V supports block erase and byte/word programming without external high voltage.

Which analog peripherals are integrated into DF3024X25V?

The DF3024X25V includes a 10-bit successive-approximation A/D converter with 8 input channels (AD0–AD7), and an 8-bit D/A converter with 1 output channel (DA0–DA7). Both are fully integrated, require no external reference components for basic operation, and are accessible via memory-mapped registers. These peripherals are documented in Sections 13 (A/D) and 14 (D/A) of the H8/3024 Hardware Manual.

Is DF3024X25V pin-compatible with other members of the H8/3024 Group?

Yes, DF3024X25V shares the same 100-pin LQFP package and pin arrangement with HD64F3024F, HD64F3024TE, and HD64F3024FP, as confirmed in Figures 1.2 and 1.3 of the hardware manual. Signal mapping, power/ground pin locations, and peripheral pin assignments (e.g., SCI, TPC, A/D) are identical across these variants - enabling drop-in replacement within the same temperature and reliability grade.

What development tools are officially supported for DF3024X25V firmware development?

DF3024X25V is supported by Renesas' High-Performance Embedded Workshop IDE, the H8S/H8/300 Series C/C++ Compiler (Document No. REJ10B0058-0100H), and the H8S/H8/300 Series Simulator/Debugger (ADE-702-037). These tools provide full debug visibility into DF3024X25V's flash memory, internal registers, and real-time peripheral behavior - essential for validating timing-critical control loops and flash programming sequences.