Renesas HD6417020SVX12I

Overview

HD6417020SVX12I from Renesas Electronics is a 32-bit SuperH™ RISC microcontroller with on-chip 128 KB ROM, 8 KB RAM, DMAC, dual 16-bit timers (ITU), SCI serial interface, and interrupt controller - designed for embedded control in portable industrial equipment operating at 12 MHz maximum CPU clock.

For engineers reviewing the HD6417020SVX12I datasheet, HD6417020SVX12I pinout, HD6417020SVX12I application, or HD6417020SVX12I equivalent, key selection criteria include its MCU Mode 0/1/2/PROM boot configuration, power-down sleep/standby states, on-chip memory mapping (ROM at H'000000–H'01FFFF, RAM at H'FFFE00–H'FFFFFF), and compatibility with SH-1 instruction set architecture.

Technical Context

The HD6417020SVX12I implements the SH-1 core with single-cycle basic instruction execution, 32-bit internal data bus, and Harvard-style memory architecture separating instruction and data paths. It supports four operating modes selected via mode pins: MCU Mode 0 (external bus active), MCU Mode 1 (internal ROM boot), MCU Mode 2 (internal RAM boot), and PROM Mode (ROM programming).

Its bus state controller provides DRAM refresh, wait-state insertion, and parity control; the direct memory access controller supports auto-request, external-request, and on-chip peripheral request channels with cycle-steal and burst transfer modes - enabling efficient data movement without CPU intervention.

Key Specifications

Pinout & Package

HD6417020SVX12I is housed in a 120-pin PQFP (Plastic Quad Flat Package) with 0.65 mm pitch, measuring 20 mm × 14 mm. Pin functions are mode-dependent and configured via PFC registers; critical signals include /RESET, CLK, /RD, /WR, D0–D15, A0–A23, and dedicated SCI/ITU/INTC I/O.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD6417020SVX12I, HD6417021FVX12I adds hardware timing pattern generation for complex power stage control, while HD64F7020FVX12I trades mask ROM for field-programmable flash - offering flexibility at the cost of boot-time security and write endurance limits.

Availability

HD6417020SVX12I is available at Aetrix Electronics and suitable for industrial portable test equipment, embedded motor control units, and programmable logic controller I/O modules requiring stable component supply across extended production lifecycles.

Supply support for HD6417020SVX12I 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 SH7020/SH7021 product line was engineered for cost-sensitive, low-power embedded control applications where integration of ROM, RAM, timers, and serial interfaces reduces BOM count and board area - targeting portable instrumentation and factory automation edge nodes.

FAQ

What is the maximum operating frequency of the HD6417020SVX12I?

The HD6417020SVX12I operates at a maximum CPU clock frequency of 12 MHz, as specified in its electrical characteristics table. This frequency is supported across the full 4.5 V to 5.5 V supply range and ambient temperature range of –40°C to +85°C. The HD6417020SVX12I uses an external crystal or clock source fed into the CLK pin, with internal duty correction ensuring stable timing for instruction execution and peripheral synchronization.

Does the HD6417020SVX12I support in-application programming (IAP)?

No, the HD6417020SVX12I does not support in-application programming because it contains masked ROM, not flash or EEPROM. Firmware is permanently programmed during manufacturing and cannot be modified in the field. For reprogrammable alternatives, consider the HD64F7020FVX12I, which replaces the mask ROM with on-chip flash memory while maintaining pin and peripheral compatibility with the HD6417020SVX12I.

What power-down modes are available on the HD6417020SVX12I?

The HD6417020SVX12I supports two hardware power-down modes: Sleep mode (CPU halted, peripherals operational, RAM retained) and Standby mode (CPU and most peripherals halted, RAM retained, wake-up via interrupt or reset). Both modes reduce supply current to under 100 µA, making the HD6417020SVX12I suitable for battery-powered portable instruments. Entry and exit are controlled via software writes to the Power Control Register (PCR).

How is boot mode selected on the HD6417020SVX12I?

Boot mode on the HD6417020SVX12I is selected by hardwiring three mode pins (MD0, MD1, MD2) at power-on reset. Valid configurations include MCU Mode 0 (external bus active), MCU Mode 1 (boot from on-chip ROM), MCU Mode 2 (boot from on-chip RAM), and PROM Mode (ROM programming interface enabled). The HD6417020SVX12I does not support dynamic mode switching - the selected mode remains active until the next reset event.

Is the HD6417020SVX12I pin-compatible with other SH7020-series devices?

Yes, the HD6417020SVX12I is pin-compatible with other members of the SH7020 family in the same 120-pin PQFP package, including HD6417021FVX12I and HD64F7020FVX12I. All share identical pin assignments for power, ground, clock, reset, address/data buses, and primary peripheral signals (SCI, ITU, INTC). Differences lie in on-chip memory size and optional peripherals - verified in Renesas Hardware Manual Rev.3.0, Section 1.3.1 (Pin Arrangement).