Renesas HD64F3434FJ16

Overview

HD64F3434FJ16 from Renesas Technology Corp. is a 16-bit single-chip microcontroller based on the H8/300 CPU core, featuring 64 KB on-chip flash memory (F-ZTAT™), 4 KB RAM, four 16-bit timers, SCI serial interface, A/D and D/A converters, and I/O ports - designed for embedded control in industrial automation and motor drive systems.

For engineers reviewing the HD64F3434FJ16 datasheet, HD64F3434FJ16 pinout, HD64F3434FJ16 application, or HD64F3434FJ16 equivalent, key selection criteria include its 16 MHz max operating frequency, 5 V single-supply flash programming capability, FP-100B 100-pin PQFP package, and support for boot-mode and user-programming modes without external VPP.

Technical Context

The HD64F3434FJ16 implements the H8/300 32-bit internal architecture with 16-bit external bus interface, executing instructions at up to 16 million cycles per second. It integrates system control logic including mode selection via MD0/MD1 pins, reset handling with RES pin timing (min. 20 system clock cycles), and flash memory control registers (FLMCR1/FLMCR2) for block erase and byte/32-byte programming.

Its peripheral set includes an 8-channel 10-bit A/D converter with sample-and-hold, a 2-channel 8-bit D/A converter, asynchronous SCI supporting full-duplex communication, and keyboard controller with debounce logic - all mapped into a unified 16 MB address space with configurable wait-state insertion.

Key Specifications

Pinout & Package

HD64F3434FJ16 is housed in a 100-pin FP-100B plastic quad flat pack (PQFP) with 0.5 mm pitch, JEDEC MS-026AC compliant, thermal pad optional, and lead-free finish per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F3434SFJ16, the HD64F3434FJ16 differs only in marking and lot traceability, not functionality; versus HD64F3437FJ16, it omits I²C and one timer but maintains identical flash, A/D, D/A, and SCI capabilities - making it ideal for cost-sensitive, functionally focused embedded controllers.

Availability

HD64F3434FJ16 is available at Aetrix Electronics and suitable for industrial motor control, PLC module development, and embedded power monitoring requiring stable component supply across long-lifecycle programs.

Supply support for HD64F3434FJ16 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 H8/3434F-ZTAT™ series was designed for cost-effective, high-reliability embedded control in industrial equipment where flash programmability, analog integration, and deterministic real-time performance are essential.

FAQ

What is the maximum operating frequency of the HD64F3434FJ16?

The HD64F3434FJ16 operates at a maximum frequency of 16 MHz when supplied with a 5 V VCC and using an external crystal or clock source within specification. This frequency defines the upper limit for instruction execution speed, timer resolution, and real-time response in applications such as motor control. The HD64F3434FJ16 achieves this timing with built-in wait-state logic that adapts to on-chip memory access, ensuring deterministic performance without external memory wait controls.

Does the HD64F3434FJ16 require a 12 V supply for flash programming?

No, the HD64F3434FJ16 does not require a 12 V supply for flash programming - it uses VCC (5.0 V ±10%) exclusively, as it belongs to the single-power-supply S-mask variant family. This eliminates the need for external VPP circuitry and simplifies programming infrastructure. The HD64F3434FJ16 achieves reliable flash write/erase using internal charge pumps and 32-byte programming units, confirmed in Renesas' Hardware Manual ADE-602-077F Section 21.

What package type is used for the HD64F3434FJ16?

The HD64F3434FJ16 is packaged in a 100-pin FP-100B plastic quad flat pack (PQFP) with 0.5 mm lead pitch, compliant with JEDEC MS-026AC. This package features exposed thermal pad option, RoHS-compliant lead finish, and is optimized for reflow soldering in industrial PCB assembly. Pin assignments match the H8/3434F-ZTAT™ series standard layout, enabling drop-in compatibility across variants sharing the FP-100B footprint.

How is boot mode entered on the HD64F3434FJ16?

Boot mode on the HD64F3434FJ16 is entered by asserting high levels on pins P90, P91, and P92 during reset release - no 12 V voltage is applied, distinguishing it from dual-supply variants. This pin-based entry method replaces the FVPP/MD1 12 V dependency and is validated in the Hardware Manual ADE-602-077F Section 21.3.1. The HD64F3434FJ16 then executes the on-chip boot loader, enabling serial firmware upload via SCI without external programming hardware.

What analog peripherals are integrated into the HD64F3434FJ16?

The HD64F3434FJ16 integrates an 8-channel 10-bit successive-approximation A/D converter with sample-and-hold, and two independent 8-bit D/A converters. These peripherals are directly accessible via dedicated pins (AD0–AD7, DA0, DA1) and controlled through on-chip registers. Their inclusion allows the HD64F3434FJ16 to perform sensor signal acquisition and analog actuator control without external converters - critical for motor feedback, power supply monitoring, and HVAC actuation applications.