Renesas UPD70F3570GBA2-GAH-E3-AX

Overview

UPD70F3570GBA2-GAH-E3-AX from Renesas Electronics is a 32-bit V850E2/Fx4-L microcontroller featuring 512 KB on-chip code flash, 32 KB RAM, and integrated peripherals including DMA controller, 12-bit ADC, UART, CAN 2.0B, and I²C. It operates at up to 40 MHz with 3.0–5.5 V supply and targets industrial control and automotive body electronics.

For engineers reviewing the UPD70F3570GBA2-GAH-E3-AX datasheet, UPD70F3570GBA2-GAH-E3-AX pinout, UPD70F3570GBA2-GAH-E3-AX application, or UPD70F3570GBA2-GAH-E3-AX equivalent, this page delivers verified technical context, package mapping (LQFP-100), key timing and memory parameters, functional role in real-time embedded systems, and validated alternative options for design continuity.

Technical Context

The UPD70F3570GBA2-GAH-E3-AX implements the V850E2 CPU core with Harvard architecture, supporting 32-bit integer operations and 16-bit compressed instruction set. It integrates a 4-channel DMA controller with priority arbitration, 12-bit 16-channel ADC with hardware trigger synchronization, and dual CAN 2.0B controllers with message objects and FIFO support.

Its memory subsystem includes 512 KB code flash with ECC protection, 32 KB SRAM, and 4 KB data flash with 100K write/erase cycles. Power management supports four operation modes-Normal, Stop, Sleep, and Deep Standby-with wake-up via external interrupt, RTC alarm, or serial interface activity.

Key Specifications

Pinout & Package

LQFP-100 package with 0.5 mm pitch, 14 mm × 14 mm body, and exposed thermal pad (EPAD) for enhanced thermal dissipation in industrial ambient conditions.

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD70F3570GBA2-GAH-E3-AX, UPD70F3571GBA2-GAH-E3-AX offers higher memory density in pin-compatible form, while R5F566TEADFP#30 trades integrated CAN for greater processing power and memory - making the former ideal for cost-sensitive CAN-centric upgrades and the latter for greenfield high-CPU-load applications.

Availability

UPD70F3570GBA2-GAH-E3-AX is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart energy metering, and factory automation I/O hubs requiring stable component supply across multi-year production cycles.

Supply support for UPD70F3570GBA2-GAH-E3-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 industrial, automotive, and enterprise applications.

The V850E2/Fx4-L product line delivers robust 32-bit MCUs optimized for real-time deterministic control in harsh environments, with emphasis on functional safety readiness, long-term availability, and seamless migration from legacy V850 platforms.

FAQ

What is the maximum operating frequency of the UPD70F3570GBA2-GAH-E3-AX?

The UPD70F3570GBA2-GAH-E3-AX operates at a maximum CPU clock frequency of 40 MHz when driven by its internal PLL with an external 8 MHz crystal. This frequency is sustained across the full industrial temperature range (−40°C to +85°C) and 3.0–5.5 V supply voltage, enabling deterministic real-time response for time-critical control loops.

Does the UPD70F3570GBA2-GAH-E3-AX support CAN FD?

No, the UPD70F3570GBA2-GAH-E3-AX implements two CAN 2.0B controllers compliant with ISO 11898-1:2003, supporting only classical CAN frames (up to 8 bytes payload). It does not include CAN FD features such as flexible data-rate switching or extended payload length. For CAN FD, consider Renesas' RA6T2 or RH850/F1KM series.

How is flash programming performed on the UPD70F3570GBA2-GAH-E3-AX?

Flash programming on the UPD70F3570GBA2-GAH-E3-AX can be done via external PG-FP5 programmer using the dedicated FLMD pins, or in-system using the built-in self-programming library. The latter enables firmware updates in the field by executing code from RAM while rewriting non-active flash sectors, preserving system operation during partial reflash.

What debug interfaces are supported by the UPD70F3570GBA2-GAH-E3-AX?

The UPD70F3570GBA2-GAH-E3-AX supports both JTAG and Renesas FINE interfaces for on-chip debugging. JTAG provides full IEEE 1149.1-compliant boundary scan and debug access, while FINE enables faster program download and real-time trace via fewer pins - both are supported by Renesas E2 studio and CS+ development environments.

Is the UPD70F3570GBA2-GAH-E3-AX qualified for automotive applications?

The UPD70F3570GBA2-GAH-E3-AX carries Renesas' "Standard" quality grade per documentation, intended for industrial and consumer applications. While it meets AEC-Q100 stress test conditions in some configurations, it is not officially certified for automotive safety-critical systems. For automotive-grade variants, refer to the V850E2/FJ4-L family (e.g., µPD70F3576) with "High Quality" classification.