Renesas HD6477043HF28

Overview

HD6477043HF28 from Renesas is a 32-bit RISC microcontroller based on the SH-2 CPU core, featuring 128 kB on-chip PROM, 32-bit external bus width, ±15 LSB A/D conversion accuracy in high-speed mode, and operation at 28 MHz/5 V. It integrates timers, SCI, A/D converter, interrupt controller, and I/O ports for embedded real-time control applications including industrial motor drives and programmable logic controllers.

For engineers reviewing the HD6477043HF28 datasheet, HD6477043HF28 pinout, HD6477043HF28 application, or HD6477043HF28 equivalent, key selection criteria include its QFP2020-144 package, SH-2 instruction set compatibility, PROM-based firmware persistence, 32-bit memory interface timing, and support for external DRAM/ROM expansion in cost-sensitive industrial control systems.

Technical Context

The HD6477043HF28 implements the SuperH RISC engine SH-2 core with single-cycle execution for most instructions and a 32-bit internal bus architecture. It includes an on-chip 1-kbyte cache to accelerate external memory access performance.

Peripheral integration comprises a multifunction timer pulse unit (MTU) with four channels, two serial communication interfaces (SCI), an 8-channel 10-bit A/D converter, DMA controller with four channels, and programmable I/O ports with pin function controller (PFC) for flexible signal routing.

Key Specifications

Pinout & Package

HD6477043HF28 is housed in a QFP2020-144 package: 144-pin quad flat package, 20 mm × 20 mm body, 0.5 mm lead pitch, copper lead material.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit RISC microcontroller applications.

Compared with HD6477043HF28, HD6477043AF28 offers tighter A/D accuracy at the expense of speed, while HD6437043F28 trades programmability for lower cost and higher volume scalability - all share identical pinout, bus timing, and peripheral register maps.

Availability

HD6477043HF28 is available at Aetrix Electronics and suitable for industrial motor control, programmable logic controller (PLC), and factory automation HMI applications requiring stable component supply over extended product lifecycles.

Supply support for HD6477043HF28 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, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The SH7040 Series was designed for cost-effective, high-performance real-time embedded control - targeting applications demanding deterministic response, integrated peripherals, and long-term supply stability in industrial environments.

FAQ

What is the CPU architecture of the HD6477043HF28?

The HD6477043HF28 implements the SuperH RISC engine SH-2 32-bit CPU core. It features a single-cycle execution pipeline for most instructions, a 32-bit internal bus, and an on-chip 1-kbyte cache to improve external memory access efficiency. The SH-2 core is optimized for real-time deterministic processing in industrial control applications.

Does the HD6477043HF28 include on-chip non-volatile program memory?

Yes, the HD6477043HF28 integrates 128 kB of on-chip PROM (Programmable Read-Only Memory). This Z-TAT (Zero Turnaround Time) version allows field programming via standard SH7040-series programmers and supports software-based erase/write operations - unlike mask ROM variants.

What is the maximum operating frequency and voltage for the HD6477043HF28?

The HD6477043HF28 operates at a maximum frequency of 28 MHz with a supply voltage of 5.0 V. Electrical characteristics, including DC parameters and timing margins, are fully specified and validated for this configuration across the –20°C to +75°C industrial temperature range.

Which package type is used for the HD6477043HF28?

The HD6477043HF28 is packaged in a QFP2020-144: a 144-pin quad flat package with 20 mm × 20 mm body size and 0.5 mm lead pitch. The package uses copper as the lead material and is compatible with standard surface-mount assembly processes for industrial PCBs.

How many A/D converter channels does the HD6477043HF28 support, and what is their resolution?

The HD6477043HF28 includes an 8-channel, 10-bit successive-approximation A/D converter. In high-speed mode, it achieves ±15 LSB integral nonlinearity error. Input channels AN0–AN7 are dedicated analog inputs requiring external RC filtering per the hardware manual's Figure 15.14.