Renesas DF36024FTV

Overview

DF36024FTV from Renesas Electronics is a 16-bit single-chip microcomputer in the H8/36024 Group, featuring an H8/300H CPU core, 256 KB on-chip ROM, 16 KB RAM, and integrated peripherals including UART (SCI), timers, and I/O ports. It operates at up to 20 MHz with 3.3 V supply and supports on-board programming via boot mode. It is used in industrial control panels requiring deterministic real-time response and firmware-upgradable logic.

For engineers reviewing the DF36024FTV datasheet, DF36024FTV pinout, DF36024FTV application, or DF36024FTV equivalent, this page delivers verified package mapping (100-pin QFP), confirmed clock architecture (crystal/ceramic resonator or external clock input), validated power-down modes (Sleep, Standby, Subsleep), and two documented alternative MCUs for migration paths.

Technical Context

The DF36024FTV implements the H8/300H CPU core with instruction set compatibility to the earlier H8/300, supporting 16-bit data paths and 24-bit addressing. Its memory map includes 256 KB of on-chip flash ROM (programmable/erasable in-system), 16 KB of SRAM, and dedicated register banks for exception handling and peripheral control.

Clock generation uses a configurable system clock generator supporting crystal resonators (1–20 MHz), ceramic resonators, or external clock input. Power management includes three low-power modes-Sleep, Standby, and Subsleep-with module-level standby control via MSTCR1/MSTCR2 registers and wakeup interrupt support through IWPR.

Key Specifications

Pinout & Package

DF36024FTV is housed in a 100-pin plastic QFP (quad flat package) with 0.5 mm lead pitch and standard JEDEC MO-137AC footprint. Pin assignments follow Renesas' H8/36024 Group pin arrangement (Rev.4.00, p.4), with dedicated power, ground, clock, reset, and multifunction I/O pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DF36024FTV, HD64F36024G offers identical functionality with halogen-free packaging, while H8/36022F reduces memory capacity by 50%-enabling cost optimization where firmware scale permits.

Availability

DF36024FTV is available at Aetrix Electronics and suitable for industrial control systems, building automation equipment, and test & measurement instruments requiring stable component supply across extended product lifecycles.

Supply support for DF36024FTV 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 H8 Family/H8/300H Tiny Series-including DF36024FTV-is designed for cost-effective, low-power embedded control applications demanding high reliability, on-chip programmability, and long-term supply stability in commercial and industrial environments.

FAQ

What is the maximum system clock frequency supported by DF36024FTV?

The DF36024FTV supports a maximum system clock frequency of 20 MHz. This rating applies when using the internal clock generator with a crystal or ceramic resonator, or with an externally supplied clock signal meeting setup/hold timing requirements. Operation above 20 MHz is not guaranteed and may result in undefined behavior or data corruption in on-chip memory and peripherals. DF36024FTV's timing specifications-including bus cycle duration, interrupt latency, and timer resolution-are validated only up to this frequency.

Does DF36024FTV support in-system programming of its flash memory?

Yes, DF36024FTV supports in-system programming via its built-in boot-mode UART interface (SCI3 on P21/P22). The device enters boot mode on power-up when the MODE0 pin is held low, enabling firmware updates without external programming hardware. Flash programming and erase operations are controlled through FLMCR1/FLMCR2 registers and include verify steps to ensure integrity. DF36024FTV's flash memory is rated for 10,000 write/erase cycles with data retention exceeding 20 years at 85 °C.

What power management modes are available on DF36024FTV?

DF36024FTV provides three hardware-supported power-down modes: Sleep (CPU halted, peripherals and RAM active), Standby (CPU, peripherals, and clocks halted, RAM retained), and Subsleep (main oscillator stopped, RAM retained, lowest current draw). Mode entry is controlled via SYSCR1/SYSCR2 registers, and wakeup sources include external interrupts (INT0–INT7), RTC alarm, and LVI detection. DF36024FTV's Subsleep mode achieves typical current consumption of 8 µA at 3.3 V, making it suitable for battery-backed applications.

Is DF36024FTV pin-compatible with other members of the H8/36024 Group?

Yes, DF36024FTV is pin-compatible with all variants in the H8/36024 Group, including HD64F36024, HD64F36024G, and H8/36024F. These share identical 100-pin QFP packaging, pin functions, and electrical characteristics. Differences are limited to marking, screening, or minor process enhancements-not affecting PCB layout, schematic design, or firmware portability. DF36024FTV can be substituted for HD64F36024G on the same board without modification.

What is the operating temperature range for DF36024FTV?

DF36024FTV is specified for operation from −20 °C to +75 °C, consistent with Renesas Electronics' "Standard" quality grade classification. This range covers commercial and industrial ambient conditions but excludes automotive under-hood or extended-temperature applications. Thermal derating is not required within this span, and all DC/AC electrical parameters-including I/O voltage levels, timing margins, and flash endurance-are guaranteed across the full range. DF36024FTV's thermal characteristics assume proper PCB copper pour and airflow per Renesas' hardware design guidelines.