Renesas DF70835AD80FTV#ZB

Overview

DF70835AD80FTV#ZB from Renesas Electronics is a 32-bit RISC microcontroller in the SH7083 group, featuring the SuperH™ CPU core, 512 KB on-chip Flash memory, 32 KB RAM, and integrated peripherals including CPG, INTC, UBC, and serial interfaces. It operates at up to 40 MHz and targets industrial control and embedded instrumentation applications requiring deterministic real-time response.

For engineers reviewing the DF70835AD80FTV#ZB datasheet, DF70835AD80FTV#ZB pinout, DF70835AD80FTV#ZB application, or DF70835AD80FTV#ZB equivalent, key selection criteria include its 100-pin LQFP package, 3.3 V single-supply operation, Flash endurance of 10,000 write/erase cycles, on-chip debug support via JTAG, and compliance with industrial temperature range (−40°C to +85°C).

Technical Context

The DF70835AD80FTV#ZB implements the SH-2 CPU architecture with 32-bit data path, 32 general-purpose registers, and 16-bit fixed-length instructions. It supports four MCU operating modes (including Single Chip Mode) and features a programmable Clock Pulse Generator (CPG) with FRQCR register-controlled frequency division for flexible clock tree configuration.

Interrupt handling is managed by a dedicated Interrupt Controller (INTC) supporting 64 interrupt sources with priority levels set via IPR registers, while the User Break Controller (UBC) provides hardware-assisted debugging with two independent break address comparators and bus cycle type detection-enabling precise code execution breakpoints without software overhead.

Key Specifications

Pinout & Package

DF70835AD80FTV#ZB is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per SH7083 Group Hardware Manual Rev.6.00, Section 1.3 (Pin Assignments) and Section 1.4 (Pin Functions).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F70835ADFP#30 and SH7083S5010, DF70835AD80FTV#ZB offers optimal balance of compact 100-pin layout, full 512 KB Flash, and production-ready UBC/JTAG debug - making it preferred for new industrial control designs where board space and firmware scalability are critical.

Availability

DF70835AD80FTV#ZB is available at Aetrix Electronics and suitable for industrial PLC I/O modules, factory floor HMI controllers, and test equipment front-ends requiring stable component supply, long-lifecycle support, and traceable sourcing.

Supply support for DF70835AD80FTV#ZB 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 SH7083 Group - including DF70835AD80FTV#ZB - was designed for cost-sensitive, high-reliability industrial embedded systems requiring real-time determinism, on-chip debug, and minimal external components.

FAQ

What is the maximum operating frequency of the DF70835AD80FTV#ZB?

The DF70835AD80FTV#ZB operates at a maximum CPU frequency of 40 MHz, achieved via its integrated Clock Pulse Generator (CPG) using an external crystal (e.g., 8 MHz) with programmable frequency division. This frequency is guaranteed across the full industrial temperature range (−40°C to +85°C) and 3.3 V supply, enabling deterministic real-time performance in control applications. The DF70835AD80FTV#ZB's SH-2 core executes most instructions in a single cycle at this rate.

Does the DF70835AD80FTV#ZB support in-circuit debugging?

Yes, the DF70835AD80FTV#ZB supports full in-circuit debugging via IEEE 1149.1 JTAG interface (TRST, TCK, TMS, TDI, TDO pins) and an on-chip User Break Controller (UBC). The UBC provides hardware-assisted breakpoints on instruction fetch and data access, allowing non-intrusive code analysis without ROM patching or debug monitor overhead. This capability is fully documented in the SH7080 Group Hardware Manual Rev.6.00 for DF70835AD80FTV#ZB.

What memory resources are integrated into the DF70835AD80FTV#ZB?

The DF70835AD80FTV#ZB integrates 512 KB of on-chip Flash memory (rated for 10,000 write/erase cycles) and 32 KB of SRAM. The Flash includes security lock bits to prevent unauthorized firmware read-out, and both memory blocks are directly mapped into the SH-2 CPU's linear address space. No external memory interface is provided - all code and data execution occurs from these on-chip resources, simplifying PCB layout and improving system reliability. This memory configuration is fixed for the DF70835AD80FTV#ZB variant.

Is the DF70835AD80FTV#ZB pin-compatible with other SH7083 family members?

No, the DF70835AD80FTV#ZB is not universally pin-compatible across the SH7083 family. While it shares the 100-pin LQFP package with some variants (e.g., SH7083S5010), differences in peripheral pin multiplexing, power pin allocation, and debug signal routing mean direct substitution requires verification against each specific variant's pin assignment table. For example, R5F70835ADFP#30 uses a 144-pin LQFP and cannot be substituted without PCB revision. Always consult the SH7080 Group Hardware Manual Rev.6.00 for DF70835AD80FTV#ZB-specific pin definitions before replacement.

What industrial temperature rating does the DF70835AD80FTV#ZB have?

The DF70835AD80FTV#ZB is rated for operation from −40°C to +85°C, meeting Renesas Electronics' "Standard" quality grade for industrial applications such as factory automation, test equipment, and building control systems. This rating is validated per electrical characteristics testing in Section 8 of the SH7080 Group Hardware Manual Rev.6.00 and applies to the full specified supply voltage range (3.0 V to 3.6 V). It is not qualified for automotive or safety-critical transportation use.