Renesas HD6473337YF16

Overview

HD6473337YF16 from Renesas Electronics is a 16-bit single-chip microcontroller based on the H8/300 CPU core, featuring 60 KB on-chip flash memory (dual-power-supply configuration), 4 KB RAM, and integrated peripherals including SCI, A/D converter, D/A converter, timers, and I/O ports. It operates at up to 16 MHz with 5 V supply and targets embedded control in industrial automation and motor control systems.

For engineers reviewing the HD6473337YF16 datasheet, HD6473337YF16 pinout, HD6473337YF16 application, or HD6473337YF16 equivalent, key selection criteria include flash programming voltage (12 V FVPP), boot mode entry via MD1=12 V, reset timing (min. 10 system clock cycles), and compatibility with Hitachi HS3434ESHF1H programming socket adapter.

Technical Context

The HD6473337YF16 implements the H8/300 32-bit internal architecture with 16-bit external bus interface, supporting three flash programming modes: writer mode, boot mode, and user programming mode. Its flash memory is organized into eight blocks (LB0–LB7) totaling 60 KB, with block erase capability controlled via EBR1/EBR2 registers.

It integrates a 10-bit A/D converter with 8 channels, a 8-bit D/A converter, four 16-bit timers (including PWM-capable TPU), and a serial communication interface (SCI) compliant with RS-232C electrical characteristics. The device uses an external crystal oscillator (1–10 MHz) or ceramic resonator and supports both single- and dual-power-supply flash variants - this part is explicitly the dual-power-supply version requiring 12 V on FVPP/STBY for programming.

Key Specifications

Pinout & Package

HD6473337YF16 is housed in an 80-pin FP-80A (Fine Pitch Plastic QFP) package with 0.5 mm pitch, 12 × 12 mm body size, and standard JEDEC MO-148 compliance. Pin 1 is located at bottom-left corner (rotated 90° left per Rev.6.0 manual).

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD6473337YF16, HD64F3337YF16 offers identical programmability and timing but reflects Renesas' post-2003 naming convention; HD6433337Y sacrifices field-upgradability for lower unit cost and eliminates 12 V programming circuitry, making it unsuitable for iterative development or field service.

Availability

HD6473337YF16 is available at Aetrix Electronics and suitable for industrial motor control, factory automation PLC modules, and legacy equipment retrofit requiring stable component supply and long-term lifecycle support.

Supply support for HD6473337YF16 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power devices for industrial and automotive markets.

The H8/3337 Series, including HD6473337YF16, was designed for cost-effective, high-integration embedded control in resource-constrained industrial systems - emphasizing on-chip peripherals, flash flexibility, and 5 V robustness for legacy infrastructure compatibility.

FAQ

What is the flash programming voltage requirement for HD6473337YF16?

HD6473337YF16 requires 12.0 V ±0.6 V applied to the FVPP/STBY pin (Pin 24) for flash programming and erasing operations. This dual-power-supply configuration distinguishes it from the single-power-supply S-mask variants that use VCC only. Applying 12 V to MD1 (Pin 23) during reset release initiates boot mode, enabling in-system programming via the SCI interface. Failure to meet this voltage specification will prevent flash write/erase functionality.

Is HD6473337YF16 pin-compatible with HD6433337Y?

Yes, HD6473337YF16 is pin-compatible with HD6433337Y - both use the same 80-pin FP-80A package and share identical pin functions, power, and reset configurations. However, HD6433337Y contains mask ROM instead of flash memory and lacks FVPP/STBY functionality, meaning its FVPP pin is unused (NC). While PCB layout is interchangeable, firmware and programming infrastructure differ significantly between the two parts.

What development tools support HD6473337YF16 programming?

HD6473337YF16 is supported by Hitachi's E6000 emulator system with HS3008EPI60H emulator unit and HS3437ECH61H user cable. Flash programming requires the HS3434ESHF1H socket adapter and HS6400FWIW2SF Windows interface software. PROM programmers must be configured for the HN28F101 device setting. Renesas confirms compatibility with DATA I/O UNISITE and Minato 1892-series programmers when used with correct adapters and firmware.

Does HD6473337YF16 include an integrated A/D converter, and what are its specifications?

Yes, HD6473337YF16 includes a built-in 10-bit successive-approximation A/D converter with 8 input channels, sample-and-hold circuitry, and programmable conversion start triggers (software, timer, or external pin). It supports single-ended or differential input modes, with typical conversion time of 12.5 µs at 16 MHz. The A/D reference is internally tied to VCC, providing ±1 LSB integral nonlinearity and 0.5 LSB differential nonlinearity per Renesas Hardware Manual Rev.6.0.

What is the minimum reset pulse width required for reliable initialization of HD6473337YF16?

The HD6473337YF16 requires the RES pin to be held low for a minimum of 10 system clock cycles (tRESW ≥ 10tcyc) to ensure complete internal reset and register initialization. At the maximum 16 MHz clock frequency, this corresponds to ≥625 ns. The device does not require external RC-based reset circuits if the reset source meets this timing; however, a dedicated reset supervisor IC is recommended for power-rail monitoring in industrial environments.