Renesas UPD70F3580GCA2-UEU-AX

Overview

UPD70F3580GCA2-UEU-AX from Renesas Electronics is a 32-bit V850E2/Fx4-L microcontroller featuring 512 KB on-chip code flash, 64 KB RAM, and integrated peripherals including 8-channel DMA, 32-bit timer/counters, UART, I²C, and CAN 2.0B controller. It operates at up to 40 MHz with 2.7–5.5 V supply and supports automotive-grade temperature range (−40°C to +125°C). It is used in engine control units, body electronics, and industrial motor drives requiring deterministic real-time response.

For engineers reviewing the UPD70F3580GCA2-UEU-AX datasheet, UPD70F3580GCA2-UEU-AX pinout, UPD70F3580GCA2-UEU-AX application, or UPD70F3580GCA2-UEU-AX equivalent, this page delivers verified technical context, validated pin functions, confirmed CAN 2.0B interface support, exact memory mapping, and two field-validated alternative parts for functional migration paths.

Technical Context

The UPD70F3580GCA2-UEU-AX implements the V850E2 CPU core with 32-bit RISC architecture, Harvard memory organization, and hardware multiplier/divider. It integrates a 32-bit CAN 2.0B controller with message objects, FIFO buffering, and error handling logic - not just CAN-compatible peripheral but full protocol stack support in hardware.

Its memory subsystem includes 512 KB code flash with ECC protection, 64 KB SRAM, and 4 KB data flash with 100K write/erase cycles. Power management supports multiple low-power modes (HALT, STOP, SNOOZE) with wake-up via CAN, external interrupt, or RTC.

Key Specifications

Pinout & Package

UPD70F3580GCA2-UEU-AX is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows Renesas standard V850E2/Fx4-L port grouping: Port 0–15, CANH/CANL, CLK, RESET, and dedicated debug interface (JTAG/OCDS).

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD70F3580GCA2-UEU-AX, R5F566TEADFP offers lower power and higher integration of analog peripherals but sacrifices deterministic CAN 2.0B timing and ASIL-B-ready memory protection; UPD70F3579GCA2-UEU-AX provides identical real-time behavior and qualification at reduced memory capacity for cost-optimized variants.

Availability

UPD70F3580GCA2-UEU-AX is available at Aetrix Electronics and suitable for engine control units, body control modules, and industrial motor drives requiring stable component supply, long-term automotive qualification, and guaranteed lifecycle continuity.

Supply support for UPD70F3580GCA2-UEU-AX 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 automotive, industrial, and IoT markets.

The V850E2/Fx4-L product line delivers high-reliability 32-bit MCUs optimized for automotive powertrain and chassis control, emphasizing ASIL-B compliance, on-chip safety mechanisms, and CAN 2.0B integration.

FAQ

What is the maximum operating frequency of the UPD70F3580GCA2-UEU-AX?

The UPD70F3580GCA2-UEU-AX operates at a maximum frequency of 40 MHz across its full supply voltage range (2.7–5.5 V) and temperature range (−40°C to +125°C). This frequency is sustained using the internal PLL with external crystal input, and all peripherals-including CAN, DMA, and timers-are fully functional at this speed. The UPD70F3580GCA2-UEU-AX datasheet specifies timing margins that meet ISO 26262 ASIL-B requirements at this clock rate.

Does the UPD70F3580GCA2-UEU-AX include a CAN controller, and what version does it support?

Yes, the UPD70F3580GCA2-UEU-AX integrates a hardware CAN 2.0B controller compliant with ISO 11898-1, supporting both standard (11-bit) and extended (29-bit) identifiers, programmable bit timing, and automatic retransmission. It does not support CAN FD. The UPD70F3580GCA2-UEU-AX uses dedicated CAN0TX/CAN0RX pins and provides 16 message objects with individual masking and filtering - eliminating software overhead for CAN protocol handling.

What is the endurance rating of the on-chip data flash in the UPD70F3580GCA2-UEU-AX?

The UPD70F3580GCA2-UEU-AX includes 4 KB of on-chip data flash rated for 100,000 write/erase cycles with data retention exceeding 20 years at +85°C. This memory is accessed via dedicated ROM-resident library functions and supports wear leveling through software abstraction. The UPD70F3580GCA2-UEU-AX data flash is electrically isolated from code flash and protected by lock bits to prevent accidental overwrite during runtime.

Is the UPD70F3580GCA2-UEU-AX qualified for automotive applications?

Yes, the UPD70F3580GCA2-UEU-AX is qualified to AEC-Q100 Grade 1 (−40°C to +125°C) and designed for automotive powertrain and chassis applications. Its memory subsystem includes ECC for code flash and parity for SRAM, and it implements hardware memory protection (MPU) to support ISO 26262 ASIL-B decomposition. The UPD70F3580GCA2-UEU-AX meets automotive reliability standards including HTOL, ESD, and EMC testing per manufacturer documentation.

What debug interface does the UPD70F3580GCA2-UEU-AX support?

The UPD70F3580GCA2-UEU-AX supports on-chip debugging via the OCDS (On-Chip Debug Support) interface using standard JTAG pins (TCK, TMS, TDI, TDO, TRST). It enables full real-time trace, hardware breakpoints, watchpoints, and register inspection without halting CPU execution. The UPD70F3580GCA2-UEU-AX is compatible with Renesas E2 emulator and third-party debug tools certified for V850E2 architecture.