Renesas UPD70F3917GF(R)-GAT-AX

Overview

UPD70F3917GF(R)-GAT-AX from Renesas Electronics is a 32-bit V850E/IG4-H microcontroller featuring a 64 MHz CPU clock, 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including two 16-bit timer/event counters (TAA/TAB), UART, I²C, and CAN 2.0B controller. It operates from 2.7–5.5 V and targets industrial motor control and embedded automation systems requiring deterministic real-time response.

For engineers reviewing the UPD70F3917GF(R)-GAT-AX datasheet, UPD70F3917GF(R)-GAT-AX pinout, UPD70F3917GF(R)-GAT-AX application, or UPD70F3917GF(R)-GAT-AX equivalent, key selection criteria include its V850E ISA compatibility, CAN interface support, Flash endurance (100K erase/write cycles), and -40°C to +125°C operating temperature range for harsh-environment deployment.

Technical Context

The UPD70F3917GF(R)-GAT-AX implements the V850E1 CPU core with 5-stage pipeline, supporting 16-/32-bit instructions and 32-bit addressing. It integrates a PLL-based clock generator with selectable input sources (crystal, external clock, or internal RC) and programmable multiplication ratios up to ×8.

Its peripheral set includes dual 16-bit timer/event counters with PWM, capture, and pulse-width measurement modes; a CAN 2.0B controller with 32 message objects and FIFO buffering; and three serial interfaces (UART ×2, I²C ×1) with independent baud rate generators and noise filtering.

Key Specifications

Pinout & Package

UPD70F3917GF(R)-GAT-AX is housed in an 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual Rev.3.00 (Section 1.5.1 and Chapter 2).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F566TEADFP and UPD70F3920GF(R)-GAT-AX, the UPD70F3917GF(R)-GAT-AX offers optimal balance of CAN integration, industrial temperature support, and memory size for cost-sensitive real-time control nodes where deterministic latency and minimal external components are prioritized.

Availability

UPD70F3917GF(R)-GAT-AX is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and factory automation systems requiring stable component supply across multi-year production cycles.

Supply support for UPD70F3917GF(R)-GAT-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 UPD70F3917GF(R)-GAT-AX belongs to the V850E/IG4-H microcontroller family, designed specifically for deterministic real-time control in electrically noisy industrial and automotive environments with integrated CAN and robust flash reliability.

FAQ

What is the maximum operating frequency of the UPD70F3917GF(R)-GAT-AX?

The UPD70F3917GF(R)-GAT-AX supports a maximum CPU clock frequency of 64 MHz, achieved via its on-chip PLL with programmable multiplication ratio (×1 to ×8) and selectable input sources including crystal, external clock, or internal RC oscillator. This frequency is fully supported across the full -40°C to +125°C operating temperature range and 2.7–5.5 V supply voltage.

Does the UPD70F3917GF(R)-GAT-AX include a CAN controller?

Yes, the UPD70F3917GF(R)-GAT-AX integrates a CAN 2.0B-compliant controller with 32 message objects, hardware FIFO buffering, and automatic retransmission. It supports bit rates up to 1 Mbps and includes dedicated CAN_TX and CAN_RX pins for direct connection to an external CAN transceiver. No external logic is required for basic CAN node functionality.

What debug interfaces are supported by the UPD70F3917GF(R)-GAT-AX?

The UPD70F3917GF(R)-GAT-AX supports standard JTAG-based on-chip debugging via the dedicated TDI, TDO, TCK, TMS, and TRST pins. It is fully compatible with Renesas QB-MINI2 and MINICUBE2 debug emulators, enabling full-speed execution control, register inspection, and Flash programming without requiring additional debug circuitry on the target board.

Is the UPD70F3917GF(R)-GAT-AX qualified for automotive applications?

The UPD70F3917GF(R)-GAT-AX is rated for -40°C to +125°C operation and meets Renesas' "High Quality" grade standards, making it suitable for non-life-critical automotive applications such as body control modules, HVAC controllers, and lighting systems. It is not certified for safety-critical "Specific" grade applications like airbag control or brake-by-wire without additional system-level validation.

How much Flash memory does the UPD70F3917GF(R)-GAT-AX have, and what is its endurance?

The UPD70F3917GF(R)-GAT-AX contains 512 KB of on-chip Flash memory built using SuperFlash® technology. It guarantees a minimum endurance of 100,000 erase/write cycles and data retention of 20 years at 85°C. The Flash supports in-system programming (ISP) via UART or CAN, eliminating the need for external programmers during field updates.