Renesas DS76191W125BGV

Overview

DS76191W125BGV from Renesas Electronics is a 32-bit RISC microcontroller in the SH7619 Group, featuring a SuperH RISC engine core, 125 MHz maximum operating frequency, on-chip 512 KB Flash memory and 64 KB RAM, and integrated peripherals including timers, serial interfaces (SCI), and interrupt controller - used in industrial control and embedded HMI systems.

For engineers reviewing the DS76191W125BGV datasheet, DS76191W125BGV pinout, DS76191W125BGV application, or DS76191W125BGV equivalent, key selection criteria include clock speed compatibility, Flash/RAM size match for firmware footprint, peripheral set alignment (e.g., SCI channel count), package thermal performance, and qualification grade for target environment.

Technical Context

The DS76191W125BGV implements the SH-2A CPU core with 5-stage pipeline, supports both big- and little-endian operation modes, and includes on-chip cache (8 KB instruction + 8 KB data) with write-back policy. It integrates a programmable interrupt controller (INTC) supporting up to 128 interrupt sources with priority encoding and vector table relocation.

Peripheral subsystems include multiple 16-bit timer pulse units (TPU), serial communication interfaces (SCI) with UART/CLK-sync modes, and a DMA controller with 8 channels. The device operates from a single 3.3 V supply and supports external bus interface for expansion memory mapping.

Key Specifications

Pinout & Package

DS76191W125BGV is housed in a 256-pin Plastic Quad Flat Package (PQFP) with 28 mm × 28 mm body size, 0.65 mm lead pitch, and exposed thermal pad. Pin assignment follows Renesas SH7619 Group standard layout with dedicated power/ground pairs, multiplexed I/O banks, and fixed-function pins for reset, clock input, and debug interface.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DS76191W125BGV, R5F72665WDFP offers expanded connectivity at higher cost and complexity, while SH7269R provides identical mechanical fit with added graphics capability - making it ideal for HMI evolution without layout change.

Availability

DS76191W125BGV is available at Aetrix Electronics and suitable for industrial PLC I/O modules, embedded HMI controllers, motor drive control boards, and communications gateways requiring stable component supply across multi-year production cycles.

Supply support for DS76191W125BGV 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 enterprise applications.

The SH7619 Series targets cost-sensitive, high-reliability industrial embedded systems requiring deterministic real-time performance, integrated peripherals, and long-term supply assurance - with DS76191W125BGV optimized for 125 MHz operation and industrial temperature range.

FAQ

What is the maximum operating frequency of the DS76191W125BGV?

The DS76191W125BGV has a maximum operating frequency of 125 MHz, achieved using its internal PLL with an external crystal input (typically 8–12 MHz). This frequency is guaranteed across the full industrial temperature range (−40°C to +85°C) and 3.3 V supply, enabling consistent real-time performance in demanding control applications. The DS76191W125BGV's SH-2A core delivers approximately 200 MIPS at this speed.

Does the DS76191W125BGV include on-chip Flash memory, and what is its capacity?

Yes, the DS76191W125BGV integrates 512 KB of on-chip Flash memory, organized for fast read access and supporting in-application programming (IAP) with sector erase and byte-write capabilities. This Flash is used for program storage, bootloader, and configuration data - eliminating need for external nonvolatile memory in most implementations. The DS76191W125BGV also includes 64 KB of on-chip SRAM for runtime variables and stack operations.

What package type and pin count does the DS76191W125BGV use?

The DS76191W125BGV uses a 256-pin Plastic Quad Flat Package (PQFP) with 28 mm × 28 mm body size and 0.65 mm lead pitch. This package provides robust thermal performance and high I/O count (up to 192 general-purpose I/O pins), supporting complex industrial interface requirements. The DS76191W125BGV's pinout is fully documented in the SH7619 Group Hardware Manual Rev. 6.00.

Is the DS76191W125BGV qualified for automotive applications?

No, the DS76191W125BGV is classified by Renesas as a "Standard" quality grade device, intended for industrial, office, and communications equipment - not automotive or safety-critical systems. It lacks AEC-Q100 qualification and does not meet extended temperature or reliability requirements for vehicle ECUs. For automotive use, Renesas recommends devices from the RH850 or RL78-Automotive families instead of the DS76191W125BGV.

What debug interface does the DS76191W125BGV support?

The DS76191W125BGV supports the H-UDI (Hitachi User-Defined Interface) debug port, a 5-pin JTAG-compatible interface providing real-time trace, hardware breakpoints, memory inspection, and flash programming. This interface enables full-featured development with Renesas E1/E20 emulators and High-performance Embedded Workshop IDE. The DS76191W125BGV does not support SWD or ARM-style debug protocols.