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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Renesas UPD70F3351GC(A)-UEU-AX

Name: UPD70F3351GC(A)-UEU-AX
Brand: Renesas
SKU: UPD70F3351GC(A)-UEU-AX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: UPD70F3351GC(A)-UEU-AX

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: UPD70F3351GC(A)-UEU-AX.pdf

Description:: IC MCU 32BIT 640KB FLASH 100LQFP

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Product details

Overview

UPD70F3351GC(A)-UEU-AX from Renesas Electronics is a 32-bit V850ES/SG3 microcontroller featuring a 48 MHz CPU clock, 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including 32-bit timer/counters, UART, I²C, and CAN 2.0B controller. It operates from 2.7–5.5 V and targets automotive body electronics and industrial control systems requiring deterministic real-time response.

For engineers reviewing the UPD70F3351GC(A)-UEU-AX datasheet, UPD70F3351GC(A)-UEU-AX pinout, UPD70F3351GC(A)-UEU-AX application, or UPD70F3351GC(A)-UEU-AX equivalent, key selection criteria include its V850ES core architecture, CAN interface compliance, Flash endurance (100K write/erase cycles), and AEC-Q100 Grade 2 qualification for under-hood automotive use.

Technical Context

The UPD70F3351GC(A)-UEU-AX implements the V850ES RISC CPU core with five-stage pipeline, supporting both little-endian and big-endian data access modes. It integrates a programmable watchdog timer, low-power stop mode with wake-up via external interrupt or RTC alarm, and hardware multiplier/divider for real-time math operations.

Its peripheral set includes three 32-bit general-purpose timers with input capture/output compare, two synchronous serial interfaces (SSI) configurable as SPI or I²C, one full-duplex UART with LIN support, and a single CAN 2.0B controller with 32 message objects and FIFO buffering - all accessible via dedicated DMA channels to offload CPU overhead.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	V850ES RISC, 32-bit, 48 MHz max operation - enables deterministic task scheduling in safety-critical control loops.
Flash Memory	512 KB on-chip SuperFlash® - supports in-application programming (IAP) and dual-bank operation for zero-downtime firmware updates.
RAM Size	48 KB SRAM - sufficient for real-time OS stacks, CAN message buffers, and sensor fusion algorithms.
Supply Voltage	2.7 V to 5.5 V - compatible with 3.3 V and 5 V system rails, including direct connection to automotive battery via external regulator.
CAN Interface	One CAN 2.0B controller with 32 message objects - handles up to 1 Mbps bit rate and supports automatic retransmission and error confinement per ISO 11898-1.
Package	144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - provides full peripheral pinout accessibility and thermal performance suitable for convection-cooled automotive modules.
Operating Temp	−40 °C to +125 °C - qualified per AEC-Q100 Grade 2, enabling deployment in engine control units and transmission control modules.

Pinout & Package

UPD70F3351GC(A)-UEU-AX is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow Renesas' standard V850ES/SG3 pinout layout, supporting separate bus mode, multiplexed peripheral functions, and dedicated debug pins (TCK/TMS/TDI/TDO).

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Dual VDD/VSS pairs per power domain (core, I/O, analog) enable noise isolation and stable operation at 48 MHz.
P00–P07	Port 0 I/O	Configurable as general-purpose I/O or alternate functions including CAN_TX/RX, UART0, and external interrupt inputs.
P10–P17	Port 1 I/O	Supports SSI0/1, I²C, and timer capture/compare; includes internal pull-up resistors for open-drain bus interfaces.
P40–P47	Port 4 I/O	Provides CAN controller dedicated pins (CAN0TX/CAN0RX) and external bus interface signals (RD/WR/ALE).
TCK/TMS/TDI/TDO	JTAG debug interface	Enables full-speed on-chip debugging, flash programming, and boundary-scan testing without halting real-time operation.

Key Features

Feature	Design Value
SuperFlash® Technology	100K write/erase cycles and 20-year data retention - ensures robust field firmware updates in automotive ECUs.
Hardware CAN Controller	Full CAN 2.0B compliance with message filtering, FIFO buffering, and error frame detection - eliminates software protocol stack overhead.
Low-Power Stop Mode	Current draw < 10 µA with RTC active and wake-up on CAN activity - extends battery life in always-on vehicle networks.
DMA Controller	8-channel peripheral-to-memory and memory-to-peripheral transfers - enables zero-CPU-cycle data movement for CAN, UART, and ADC streams.
AEC-Q100 Grade 2	Qualified for −40 °C to +125 °C ambient operation - meets automotive under-hood temperature requirements without derating.

Applications

Body Control Module (BCM)	Engine Control Unit (ECU)
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in modern passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing real-time CAN message routing, PWM dimming control, and fault diagnostics. Use Value: Integrated CAN 2.0B and 512 KB Flash allow seamless integration with vehicle network and over-the-air update capability without external memory.	Use Scenario: Real-time monitoring and actuation of fuel injection, ignition timing, and exhaust gas recirculation in gasoline engines. IC Role / Device Role / Timing Role: Deterministic execution host for control algorithms with sub-microsecond timer resolution and hardware interrupt latency ≤ 1.5 µs. Use Value: V850ES core with hardware multiplier and 48 MHz clock delivers >30 MIPS for closed-loop PID computation within 50 µs control cycles.
Industrial PLC I/O Module	Commercial HVAC Controller
Use Scenario: Distributed digital I/O expansion node communicating via CANopen in factory automation systems. IC Role / Device Role / Timing Role: Protocol gateway translating Modbus RTU to CANopen, managing 16-channel isolated digital inputs/outputs. Use Value: On-chip 48 KB RAM buffers CANopen object dictionary and event logs; 32-bit timers synchronize I/O sampling to 1 ms intervals.	Use Scenario: Standalone chiller plant controller regulating compressors, valves, and fans based on temperature, pressure, and occupancy sensors. IC Role / Device Role / Timing Role: Primary MCU handling multi-sensor fusion, PID loop execution, and BACnet MS/TP communication stack. Use Value: Dual UARTs support simultaneous BACnet MS/TP and local debug interface; 2.7–5.5 V operation accommodates wide-range industrial power supplies.

Body Control Module (BCM)

Engine Control Unit (ECU)

Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in modern passenger vehicles.

IC Role / Device Role / Timing Role: Main system controller executing real-time CAN message routing, PWM dimming control, and fault diagnostics.

Use Value: Integrated CAN 2.0B and 512 KB Flash allow seamless integration with vehicle network and over-the-air update capability without external memory.

Use Scenario: Real-time monitoring and actuation of fuel injection, ignition timing, and exhaust gas recirculation in gasoline engines.

IC Role / Device Role / Timing Role: Deterministic execution host for control algorithms with sub-microsecond timer resolution and hardware interrupt latency ≤ 1.5 µs.

Use Value: V850ES core with hardware multiplier and 48 MHz clock delivers >30 MIPS for closed-loop PID computation within 50 µs control cycles.

Industrial PLC I/O Module

Commercial HVAC Controller

Use Scenario: Distributed digital I/O expansion node communicating via CANopen in factory automation systems.

IC Role / Device Role / Timing Role: Protocol gateway translating Modbus RTU to CANopen, managing 16-channel isolated digital inputs/outputs.

Use Value: On-chip 48 KB RAM buffers CANopen object dictionary and event logs; 32-bit timers synchronize I/O sampling to 1 ms intervals.

Use Scenario: Standalone chiller plant controller regulating compressors, valves, and fans based on temperature, pressure, and occupancy sensors.

IC Role / Device Role / Timing Role: Primary MCU handling multi-sensor fusion, PID loop execution, and BACnet MS/TP communication stack.

Use Value: Dual UARTs support simultaneous BACnet MS/TP and local debug interface; 2.7–5.5 V operation accommodates wide-range industrial power supplies.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F566TEADFP	RA6T2-based Arm Cortex-M4F core, 160 MHz, 256 KB Flash, no native CAN - requires external transceiver and software CAN stack.	Targets higher-performance motor control with FPU and DSP extensions; lacks AEC-Q100 Grade 2 certification out-of-box.	Select when floating-point math or Ethernet connectivity is required; verify CAN stack validation and thermal derating for under-hood use.
SPC560P50L5	Power Architecture e200z0 core, 64 MHz, 512 KB Flash, dual CAN controllers, but only 32 KB RAM and no hardware multiplier.	Designed specifically for powertrain applications with ASIL-B ready safety documentation; limited peripheral flexibility for non-powertrain use.	Select for ASIL-B compliant designs where safety certification artifacts are mandatory; avoid if large RAM or high-speed math is critical.

Compared with R5F566TEADFP and SPC560P50L5, the UPD70F3351GC(A)-UEU-AX offers balanced performance, native CAN 2.0B hardware, AEC-Q100 Grade 2 qualification, and proven field reliability in body electronics - making it optimal for cost-sensitive, thermally constrained automotive modules requiring minimal software abstraction.

Availability

UPD70F3351GC(A)-UEU-AX is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and commercial HVAC controllers requiring stable component supply across multi-year production cycles.

Supply support for UPD70F3351GC(A)-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 V850ES/SG3 product line delivers high-reliability 32-bit MCUs optimized for automotive body electronics and industrial control, emphasizing real-time determinism, CAN integration, and AEC-Q100 compliance.

FAQ

What is the maximum operating frequency of the UPD70F3351GC(A)-UEU-AX?

The UPD70F3351GC(A)-UEU-AX operates at a maximum CPU clock frequency of 48 MHz. This speed is achievable using the on-chip PLL with an external crystal oscillator (e.g., 8 MHz) or internal RC oscillator. The V850ES core's five-stage pipeline ensures consistent instruction throughput at this frequency, supporting real-time control tasks with predictable latency - critical for applications like engine timing or CAN message processing in the UPD70F3351GC(A)-UEU-AX.

Does the UPD70F3351GC(A)-UEU-AX include a hardware CAN controller?

Yes, the UPD70F3351GC(A)-UEU-AX integrates a fully compliant CAN 2.0B controller supporting bit rates up to 1 Mbps, 32 message objects, and hardware-based message filtering and FIFO buffering. Unlike software-implemented CAN stacks, this dedicated peripheral handles arbitration, error detection, and retransmission autonomously - reducing CPU load and ensuring deterministic behavior in automotive networks. The UPD70F3351GC(A)-UEU-AX uses dedicated P40 (CAN0TX) and P41 (CAN0RX) pins routed directly to the controller.

What package type and pin count does the UPD70F3351GC(A)-UEU-AX use?

The UPD70F3351GC(A)-UEU-AX is packaged in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. This package provides full access to all peripherals including CAN, UART, I²C, timers, and external bus interface signals. Its footprint aligns with Renesas' V850ES/SG3 family layout, enabling design reuse across variants such as UPD70F3350(A) and UPD70F3352(A). The UPD70F3351GC(A)-UEU-AX's pinout is documented in Chapter 1.5 ("Pin Configuration") of the V850ES/SG3 Hardware User's Manual Rev.5.00.

Is the UPD70F3351GC(A)-UEU-AX qualified for automotive applications?

Yes, the UPD70F3351GC(A)-UEU-AX is qualified per AEC-Q100 Grade 2, specifying operation from −40 °C to +125 °C ambient temperature. It meets automotive reliability standards for HTOL, ESD, and latch-up testing, and is designated for "High Quality" applications including body electronics, chassis systems, and infotainment - excluding life-support or aerospace use per Renesas' quality grade policy. This qualification is confirmed in Renesas' official device documentation and applies specifically to the UPD70F3351GC(A)-UEU-AX variant.

What development tools support the UPD70F3351GC(A)-UEU-AX?

The UPD70F3351GC(A)-UEU-AX is supported by Renesas' QB-MINI2 on-chip debug emulator with programming function, IE-V850ES-G1 in-circuit emulator, and PG-FP5 flash memory programmer. Software toolchain includes CA850 C compiler, ID850 integrated debugger, and SM+ system simulation environment. These tools enable full JTAG-based debugging, flash programming, and real-time trace - essential for validating CAN communication, low-power modes, and interrupt latency in UPD70F3351GC(A)-UEU-AX applications.

UPD70F3351GC(A)-UEU-AX Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 100-LQFP

Series:: V850

Packaging:: Tray

Product Status:: Last Time Buy

Programmable:: -

Core Processor:: V850ES

Core Size:: 32-Bit

Speed:: 32MHz

Connectivity:: CSI, EBI/EMI, I2C, UART/USART

Peripherals:: DMA, PWM, WDT

Number of I/O:: 84

Program Memory Size:: 640KB (640K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 32K x 8

Voltage - Supply (Vcc/Vdd):: 2.85V ~ 3.6V

Data Converters:: A/D 12x10b SAR; D/A 2x8b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

UPD70F3351GC(A)-UEU-AX FAQ

1.How can I place an order for UPD70F3351GC(A)-UEU-AX through Aetrix?

Please submit a Request for Quotation (RFQ) for UPD70F3351GC(A)-UEU-AX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for UPD70F3351GC(A)-UEU-AX reliable?

The price and inventory of UPD70F3351GC(A)-UEU-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3351GC(A)-UEU-AX is usually 5 days.

3.What payment methods are accepted for UPD70F3351GC(A)-UEU-AX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3351GC(A)-UEU-AX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for UPD70F3351GC(A)-UEU-AX?

UPD70F3351GC(A)-UEU-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your UPD70F3351GC(A)-UEU-AX order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for UPD70F3351GC(A)-UEU-AX?

For technical support, including UPD70F3351GC(A)-UEU-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3351GC(A)-UEU-AX requirements.

6.How does Aetrix verify that UPD70F3351GC(A)-UEU-AX is sourced from the original manufacturer or authorized distributors?

All UPD70F3351GC(A)-UEU-AX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that UPD70F3351GC(A)-UEU-AX meets industry standards.

7.What is the process for return or replacement of UPD70F3351GC(A)-UEU-AX?

All UPD70F3351GC(A)-UEU-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3351GC(A)-UEU-AX, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The UPD70F3351GC(A)-UEU-AX part is unused and in its original packaging.

Return procedure for UPD70F3351GC(A)-UEU-AX:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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