IDT79R4700-100DP

The IDT79R4700-100DP is a MIPS-I architecture 64-bit RISC microprocessor offered in a 208-pin PQFP (28×28 mm) surface-mount package. This single-core, 100 MHz device delivers 64-bit integer and floating-point processing with a flexible MMU and cache architecture suited for embedded designs.

Designed for consumer-grade embedded applications, the IDT79R4700-100DP combines 64-bit processing, integrated memory-management features and on-chip floating-point capability to address networking, printing and other embedded compute roles where 64-bit data handling and established MIPS architecture are required.

Key Features

• Core – MIPS-I 64-bit RISC core; single 64-bit core operating at 100 MHz for integer and floating-point workloads.
• 64-bit Architecture – True 64-bit microprocessor with 64-bit integer operations, 64-bit floating-point operations, 64-bit registers and a 64-bit virtual address space as described for the R4700 family.
• Memory Subsystem & MMU – Two-way set-associative instruction and data caches, flexible MMU with a large, fully associative TLB as provided in the R4700 series.
• Pipeline & Performance – Simple 5-stage pipeline and on-chip floating-point unit and integer multiply/divide hardware as documented for the series.
• Power & Voltage – 5 V I/O specification for the “R” variant; series devices include dynamic power management and standby modes according to the R4700 family description.
• Package & Mounting – 208-pin PQFP (28×28 mm) surface-mount package; supplied in tray format for production assembly.
• Operating Range & Qualification – Commercial temperature range of 0 °C to 70 °C and consumer qualification.
• Compliance – RoHS compliant.
• Integration – On-chip floating-point unit, MMU and cache structures reduce external component requirements consistent with the R4700 family’s high level of integration.
• Graphics – No graphics acceleration; focused on CPU and system control workloads.

Typical Applications

• Networking Equipment – Suitable for embedded compute in LAN switches and routers where 64-bit address space and robust MMU support are required.
• Printing Systems – Fits color printer controller designs that benefit from on-chip floating-point and 64-bit data handling for image processing tasks.
• Embedded Compute – General-purpose embedded systems that require a software- and pin-compatible 64-bit RISC core and on-chip memory-management features.

Unique Advantages

• 64-bit Processing Capability: Enables 64-bit integer and floating-point operations and a 64-bit virtual address space for applications that require wider data paths and larger addressability.
• Integrated MMU and TLB: A flexible MMU with a fully associative TLB simplifies virtual memory management and improves system-level memory performance.
• On-chip Floating-Point Unit: Built-in FPU reduces the need for external math co-processors for floating-point intensive workloads.
• Compact Surface-Mount Package: 208-pin PQFP (28×28 mm) surface-mount package enables dense PCB layouts and high-volume assembly.
• Commercial Temperature and RoHS Compliance: 0 °C to 70 °C operating range and RoHS compliance make the device suitable for standard consumer embedded deployments.
• Family-Level Compatibility and Tooling: As part of the R4700/RV4700 family, the processor benefits from documented architecture details and available development tools referenced in the family datasheet.

Why Choose IDT79R4700-100DP?

The IDT79R4700-100DP positions itself as a compact, 64-bit embedded processor option for designs that require true 64-bit data paths, an integrated MMU and floating-point capability in a surface-mount PQFP package. Its consumer qualification, 5 V I/O and commercial temperature range align with a broad range of embedded products in networking, printing and general-purpose compute roles.

Engineers targeting established MIPS-I architecture and a highly integrated processor core will find the IDT79R4700-100DP suitable for designs that need 64-bit addressing and on-chip system features. Refer to the R4700 family documentation for detailed architecture and development resources to support system integration and software development.

Request a quote or submit your procurement specifications to obtain pricing and availability for the IDT79R4700-100DP. Our team can provide packaging, lead-time and ordering details to support your design and production timeline.