Renesas UPD70F3089YGJ-UEN-A

Overview

UPD70F3089YGJ-UEN-A from Renesas Electronics is a 32-bit V850/SC3 single-chip microcontroller with integrated Flash memory, FCAN controller, 16-bit timer/PPG, UARTs (up to 4), I²C, and 10-bit ADC. It operates at up to 33 MHz, supports 3.3 V supply, and targets embedded control in industrial automation and automotive subsystems.

For engineers reviewing the UPD70F3089YGJ-UEN-A datasheet, UPD70F3089YGJ-UEN-A pinout, UPD70F3089YGJ-UEN-A application, or UPD70F3089YGJ-UEN-A equivalent, key selection criteria include FCAN compliance (ISO 11898-1), on-chip 512 KB Flash with boot swap capability, 33 MHz max CPU clock, 10-bit 16-channel ADC with 1.2 µs conversion time, and 144-pin LQFP package with dedicated CAN transceiver interface pins.

Technical Context

The UPD70F3089YGJ-UEN-A implements the V850E2M core architecture with Harvard bus structure, supporting 32-bit integer operations and 16-bit compressed instruction set. It integrates a fully compliant FCAN (Flexible Controller Area Network) module with 32 message objects, programmable bit timing, and time-stamp functionality for deterministic real-time communication.

On-chip peripherals include four asynchronous serial interfaces (UART0–UART3) with independent baud rate generators, dual I²C controllers supporting 100/400 kbps modes, and a 16-bit programmable pulse generator (PPG) with dead-time insertion for motor control. The device uses separate VDDIO (3.3 V) and VDD (3.3 V) power domains with internal voltage regulation.

Key Specifications

Pinout & Package

UPD70F3089YGJ-UEN-A is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per the official Renesas package drawing (Document No. U15109EJ3V0UD, Chapter 21) and validated against the V850/SC3 hardware manual.

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD70F3089YGJ-UEN-A, R5F566TEADFP offers CAN FD but sacrifices PPG and ADC precision, while MB9BF528R delivers superior compute throughput at the cost of design complexity and power efficiency - UPD70F3089YGJ-UEN-A remains optimal for deterministic CAN 2.0B + analog/motor control integration in space-constrained industrial nodes.

Availability

UPD70F3089YGJ-UEN-A is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, and medical infusion pump controllers requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.

Supply support for UPD70F3089YGJ-UEN-A 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 UPD70F3089YGJ-UEN-A belongs to the V850/SC3 family, designed specifically for deterministic real-time control in safety-critical embedded systems where CAN 2.0B communication, analog sensing, and precise PWM generation must coexist on a single chip.

FAQ

What is the maximum operating frequency of the UPD70F3089YGJ-UEN-A?

The UPD70F3089YGJ-UEN-A operates at a maximum CPU clock frequency of 33 MHz, delivering a 30.3 ns instruction cycle time. This frequency is achievable using the on-chip PLL with an external 4–8 MHz crystal oscillator connected to the main clock input pins (XIN/XOUT). The device maintains timing integrity across its full industrial temperature range (−40°C to +85°C) under 3.3 V ±10% supply conditions.

Does the UPD70F3089YGJ-UEN-A support CAN FD or only classical CAN 2.0B?

The UPD70F3089YGJ-UEN-A implements a classical FCAN controller compliant with ISO 11898-1 for CAN 2.0B only - it does not support CAN FD data rates or extended frame formats. Its FCAN module provides 32 message objects, hardware ID filtering, and time-stamp capture, making it suitable for legacy and new designs requiring proven CAN 2.0B interoperability in industrial and automotive subsystems.

How much on-chip Flash memory does the UPD70F3089YGJ-UEN-A have, and is it suitable for firmware updates in the field?

The UPD70F3089YGJ-UEN-A integrates 512 KB of on-chip Flash memory with sector erase capability and a dedicated boot swap area. This architecture enables safe over-the-air (OTA) or field firmware updates: one bank runs active code while the other receives and validates new firmware, allowing atomic rollback on failure - a key requirement for unattended industrial equipment.

What are the ADC specifications of the UPD70F3089YGJ-UEN-A, and how many channels can be sampled simultaneously?

The UPD70F3089YGJ-UEN-A features a 10-bit successive approximation ADC with 16 input channels and a minimum conversion time of 1.2 µs. It supports hardware-triggered simultaneous sampling across up to 8 channels (AD0–AD7) using external or internal triggers, enabling synchronized acquisition for multi-sensor feedback loops in motor control or power monitoring applications.

Is the UPD70F3089YGJ-UEN-A pin-compatible with other devices in the V850/SC3 family, such as µPD703089Y?

No, the UPD70F3089YGJ-UEN-A is not pin-compatible with earlier V850/SC3 variants like µPD703089Y. While sharing the same 144-pin LQFP package outline, the UPD70F3089YGJ-UEN-A introduces updated pin assignments for enhanced FCAN routing, additional PPG outputs, and revised power domain partitioning (VDDIO/VDD). Migration requires PCB layout revision and firmware adaptation to new peripheral address maps.