Renesas HD6417622F80V

Overview

HD6417622F80V from Renesas Electronics (formerly Hitachi) is a 32-bit SuperH™ SH2-DSP microprocessor with integrated DSP unit, 8 KB on-chip cache, X/Y memory, USB function module, and three serial interfaces. It operates at 80 MHz, supports low-power standby modes, and targets real-time embedded control in audio processing, industrial motion control, and USB-connected peripherals.

For engineers reviewing the HD6417622F80V datasheet, HD6417622F80V pinout, HD6417622F80V application, or HD6417622F80V equivalent, key selection criteria include its SH2-DSP core compatibility, on-chip USB clock generation, interrupt priority register architecture, and module-level power-down capability for deterministic real-time response.

Technical Context

The HD6417622F80V implements the SH2-DSP CPU core with dual MAC units and 32-bit fixed-point DSP instructions, enabling parallel multiply-accumulate operations per cycle. Its cache controller supports write-back policy with coherency management between internal cache and external memory.

On-chip peripheral integration includes a Bus State Controller (BSC) for configurable wait-state timing, a User Break Controller (UBC) with dual address/data break points and PC trace, and an Extend Clock Pulse Generator (EXCPG) dedicated to generating precise 48 MHz USB clock from main oscillator input.

Key Specifications

Pinout & Package

HD6417622F80V is housed in a 256-pin plastic quad flat package (PQFP) with 0.5 mm pitch, thermally enhanced for sustained 80 MHz operation in industrial ambient temperatures up to +85°C.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SH2-DSP microprocessor applications.

Compared with HD6417622F80V, HD6417620F80V removes USB functionality but retains identical real-time control capabilities, while R5F72622EFP offers higher thermal resilience and cache capacity at the cost of package migration - both require revalidation of power delivery and signal integrity.

Availability

HD6417622F80V is available at Aetrix Electronics and suitable for audio signal processing, industrial motion control, USB peripheral development, and embedded test instrumentation requiring stable component supply across long-lifecycle programs.

Supply support for HD6417622F80V 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 from the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT applications.

The SH7622 product line was designed as a high-integration SH2-DSP microprocessor targeting cost-sensitive, real-time embedded systems where deterministic DSP performance, low-power operation, and USB connectivity converge - exemplified by the HD6417622F80V variant.

FAQ

What is the maximum operating frequency of the HD6417622F80V?

The HD6417622F80V operates at a maximum clock frequency of 80 MHz. This rating is guaranteed under specified supply voltage (3.0–3.6 V) and ambient temperature (−20°C to +75°C) conditions. The frequency is derived from the internal PLL, which multiplies the CLKIN input (4–20 MHz) using settings in the FRQCR register. Exceeding 80 MHz may result in undefined behavior or timing violations in the cache or peripheral modules.

Does the HD6417622F80V include an integrated USB transceiver?

No, the HD6417622F80V does not integrate a USB physical-layer transceiver. It includes a USB function module (USB-FUN) for protocol handling and a dedicated Extend Clock Pulse Generator (EXCPG) that outputs a precise 48 MHz clock signal. An external USB transceiver (e.g., ISP1301 or similar) must be connected to the USBDP/USBDN pins to complete the physical layer interface.

How does the HD6417622F80V manage power in low-power applications?

The HD6417622F80V supports three distinct power-down modes: full standby (CPU and most peripherals halted), module standby (selective shutdown of USB, serial, timers, or DMA), and deep sleep (retention of register and cache state with <50 µA current draw). These are controlled via STBCR, STBCR2, and STBCR3 registers, and entry/exit is managed through specific instruction sequences and STATUS pin signaling.

Can the HD6417622F80V execute SH-1 or SH-2 compatible code?

Yes, the HD6417622F80V is fully backward-compatible with the SH-1 and SH-2 instruction sets. Its SH2-DSP core executes all SH-2 instructions and extends them with DSP-specific operations (e.g., MAC, parallel data moves). Code compiled for earlier SH-2 devices runs without modification, though optimal performance requires leveraging the dual-MAC and X/Y memory addressing modes unique to the HD6417622F80V.

What debug capabilities does the HD6417622F80V provide?

The HD6417622F80V integrates a User Break Controller (UBC) with two independent break point units (A and B), each supporting address matching, data value comparison, bus cycle type filtering (instruction fetch, data read/write, X/Y access), and sequential break chaining. It also provides PC trace functionality and saves context to dedicated registers (BRSR/BRDR) upon break, enabling non-intrusive real-time debugging without JTAG dependency.