Renesas DF38099FP4V

Overview

DF38099FP4V from Renesas Electronics is a 16-bit single-chip microcontroller in the H8/38099 Group, featuring the H8/300H CPU core, 128 KB on-chip ROM, 8 KB RAM, and integrated peripherals including UART, I²C, timer modules, and 8-channel 10-bit ADC. It operates at up to 20 MHz with supply voltage of 2.7–5.5 V and targets low-power embedded control applications such as industrial sensors and motor controllers.

For engineers reviewing the DF38099FP4V datasheet, DF38099FP4V pinout, DF38099FP4V application, or DF38099FP4V equivalent, key selection criteria include its 100-pin LQFP package, H8/300H instruction set compatibility, on-chip debug support via E8 interface, and qualification for standard-grade industrial use per Renesas quality classification.

Technical Context

The DF38099FP4V implements the H8/300H CPU architecture with full backward compatibility to H8/300 instructions, supporting 24-bit addressing and multiple interrupt priority levels. Its clock system includes selectable oscillators (crystal, ceramic, or external clock) with sub-32 kHz RTC capability and programmable PLL for main system clock generation.

Peripheral integration includes three serial communication interfaces (SCI0–SCI2), one I²C bus interface, four 16-bit timer units (with input capture/output compare), and an 8-channel 10-bit successive-approximation ADC with internal reference. All peripherals are memory-mapped and controlled via dedicated register sets defined in the hardware manual.

Key Specifications

Pinout & Package

DF38099FP4V is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow the H8/38099 Group hardware manual Rev. 2.00 (2007), with dedicated power/ground pairs, reset, clock inputs, and multiplexed peripheral I/O.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DF38099FP4V, R5F38099FP4V offers field-proven hardening without design changes, while H8/38024F trades memory and RTC capability for compactness-both retain H8/300H software compatibility and require no toolchain migration.

Availability

DF38099FP4V is available at Aetrix Electronics and suitable for industrial automation, motor control, and smart metering applications requiring stable component supply across multi-year production cycles.

Supply support for DF38099FP4V 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, and power solutions for industrial, automotive, and infrastructure markets.

The H8/38099 Group was designed for cost-sensitive, low-power embedded control systems demanding high integration, deterministic real-time response, and long-lifecycle support in factory automation and building management.

FAQ

What is the maximum operating frequency of the DF38099FP4V?

The DF38099FP4V supports a maximum system clock frequency of 20 MHz, achieved via internal PLL multiplication of the external crystal or ceramic resonator input. This allows tight timing control for real-time tasks such as motor commutation or sensor sampling, and is validated across the full 2.7–5.5 V supply range per the H8/38099 Group Hardware Manual Rev. 2.00.

Does the DF38099FP4V include on-chip debug capability?

Yes, the DF38099FP4V supports full on-chip debugging via the Renesas E8 emulator interface. The NMI pin is reserved for this purpose, and pins P16, P36, and P37 are designated for emulator communication-though P16 must be left unconnected in debug mode. Debug features include hardware breakpoints, register inspection, and real-time trace as documented in the H8/38099 Group Hardware Manual.

What package type is used for the DF38099FP4V?

The DF38099FP4V is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. This package provides mechanical stability and thermal performance suitable for industrial ambient temperatures up to +85°C, and matches the pin assignment defined in Section 1.3 of the H8/38099 Group Hardware Manual Rev. 2.00.

Is the DF38099FP4V qualified for automotive applications?

No, the DF38099FP4V is classified as a Standard-grade Renesas product intended for computers, office equipment, industrial robots, and home appliances-not for automotive or safety-critical systems. Its qualification excludes transportation equipment, medical life-support, or aerospace use per Renesas Quality Grade definitions in the official notice dated April 1, 2010.

How much on-chip memory does the DF38099FP4V provide?

The DF38099FP4V integrates 128 KB of on-chip flash ROM for program storage and 8 KB of on-chip SRAM for data and stack operations. Both memory blocks are directly accessible by the H8/300H CPU without wait states at 20 MHz, and the ROM includes lock bits to protect boot code from accidental overwrite during field updates.