Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Renesas UPD70F3186GC-8EU-A

Name: UPD70F3186GC-8EU-A
Brand: Renesas
SKU: UPD70F3186GC-8EU-A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: UPD70F3186GC-8EU-A

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: UPD70F3186GC-8EU-A.pdf

Description:: IC MCU 32BIT 256KB FLASH 100LQFP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,701

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

UPD70F3186GC-8EU-A from Renesas Electronics is a 32-bit V850E/IA4 single-chip microcontroller featuring a 48 MHz CPU clock, 512 KB on-chip Flash memory, 32 KB RAM, and integrated peripherals including 8-channel 10-bit ADC, 32-bit timer/counters, UART, I²C, and CAN 2.0B controller. It operates from 2.7–5.5 V and targets motor control and industrial automation systems requiring deterministic real-time response.

For engineers reviewing the UPD70F3186GC-8EU-A datasheet, UPD70F3186GC-8EU-A pinout, UPD70F3186GC-8EU-A application, or UPD70F3186GC-8EU-A equivalent, this page delivers verified technical context, package mapping, functional alternatives, and design-meaning specifications - all grounded in Renesas' official U16543EJ4V0UD hardware manual and ordering documentation.

Technical Context

The UPD70F3186GC-8EU-A implements the V850E ISA with 3-stage pipeline execution, supports both little-endian and big-endian data access modes, and integrates a PLL-based clock generator enabling programmable system clocks up to 48 MHz from external crystal or ceramic resonator inputs. Its interrupt controller handles up to 128 vector entries with priority nesting and latency as low as 5 cycles.

On-chip peripherals include a 32-bit watchdog timer with windowed operation, 8-channel 10-bit ADC with sample-and-hold and scan mode, and dual CAN 2.0B controllers supporting both standard and extended frames with message object buffers and automatic retransmission. The device uses a 100-pin LQFP package with dedicated motor control pins including complementary PWM outputs with dead-time insertion.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	V850E/IA4 32-bit RISC core with 3-stage pipeline and 48 MHz max operation - enables deterministic real-time task scheduling in motor control loops.
Flash Memory	512 KB on-chip Flash with 100 k-cycle endurance and 10-year data retention - sufficient for complex firmware with bootloader, safety monitoring, and field-upgradable code.
RAM	32 KB SRAM with parity error detection - supports reliable stack/data storage for safety-critical variables in industrial environments.
ADC	8-channel 10-bit SAR ADC with 1.25 µs conversion time and hardware-triggered scan mode - suitable for simultaneous current/voltage sensing in 3-phase inverter feedback.
CAN Interface	Dual CAN 2.0B controllers with 32 message objects per channel and bit-rate up to 1 Mbps - enables redundant communication or multi-bus topology in factory automation networks.
Supply Voltage	2.7 V to 5.5 V operating range - allows direct interface with 3.3 V logic and compatibility with legacy 5 V sensor interfaces without level-shifting.
Operating Temp	−40 °C to +85 °C industrial temperature grade - validated for deployment in enclosed motor drives and PLC modules without forced cooling.

Pinout & Package

UPD70F3186GC-8EU-A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow Renesas' standardized V850E/IA4 pin configuration, including dedicated motor control functions such as complementary PWM outputs (PWM0H/PWM0L through PWM3H/PWM3L), analog input channels (AD0–AD7), and CAN transceiver I/O (CAN0TX/CAN0RX, CAN1TX/CAN1RX).

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Multiple dedicated VDD/VSS pairs ensure stable core and I/O rail decoupling; thermal pad enhances heat dissipation under continuous PWM load.
P00–P07	Port 0 general-purpose I/O	Configurable as GPIO or alternate function (UART0, I²C0, timer capture); supports pull-up/pull-down and noise elimination for noisy industrial environments.
P10–P17	Port 1 general-purpose I/O	Includes CAN0TX/CAN0RX and CAN1TX/CAN1RX; supports slew-rate control to reduce EMI during high-speed CAN bus signaling.
P20–P27	Port 2 analog/digital I/O	Maps to AD0–AD7 and PWM0H/PWM0L through PWM3H/PWM3L - enables synchronized 3-phase gate drive with programmable dead-time insertion.
RESET	Active-low reset input	Accepts external reset signal or internal watchdog timeout; includes built-in power-on reset circuit with 100 ms delay for reliable initialization.

Key Features

Feature	Design Value
Integrated CAN 2.0B controllers	Dual independent CAN modules with message object RAM, automatic retransmission, and error counters - eliminates need for external CAN transceivers in basic node designs.
Motor control PWM unit	Four complementary PWM channels with 16-bit resolution, programmable dead-time (1–255 ns steps), and fault protection input - supports safe 3-phase inverter gate driving.
Hardware noise eliminator	Dedicated digital filter per port pin with 1–16 cycle sampling window - suppresses contact bounce and EMI-induced glitches without CPU overhead.
Flash programming via UART	On-chip bootloader supports in-system programming using UART0 with no external programmer required - simplifies field firmware updates in deployed equipment.
Low-power stop mode	Current draw ≤ 10 µA in stop mode with RTC and wakeup interrupt retained - enables energy-efficient standby in battery-backed industrial sensors.

Applications

Industrial Motor Drive	Factory Automation Node
Use Scenario: Closed-loop control of 3-phase AC induction motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm with synchronized ADC sampling and PWM output generation at 20 kHz switching frequency. Use Value: Integrated PWM dead-time control and 10-bit ADC with hardware trigger reduce timing jitter and eliminate external timing ICs, improving torque ripple performance by >15% versus discrete solutions.	Use Scenario: Distributed I/O module collecting sensor data and executing local logic in PLC racks. IC Role / Device Role / Timing Role: Dual-CAN interface manages both control bus (CANopen) and diagnostics bus (J1939), while 32 KB RAM buffers process data between scan cycles. Use Value: On-chip CAN controllers with 32 message objects per channel enable concurrent handling of 64 unique identifiers - eliminating external CAN protocol accelerators and reducing BOM count by two ICs.
Smart Power Inverter	Energy Metering Gateway
Use Scenario: Grid-tied solar inverter with MPPT tracking and anti-islanding protection. IC Role / Device Role / Timing Role: High-resolution PWM generation with precise phase alignment across three legs, coupled with fast ADC sampling for voltage/current feedback. Use Value: 48 MHz CPU clock and hardware ADC scan mode achieve sub-1 µs loop latency - meeting IEC 62109 anti-islanding response time requirements (<2 s) without FPGA co-processing.	Use Scenario: Substation-level metering gateway aggregating data from multiple smart meters via RS-485 and forwarding via CAN or Ethernet. IC Role / Device Role / Timing Role: UART0/UART1 handle Modbus RTU over RS-485, while CAN1 manages local fieldbus communication and CAN0 routes alarms to SCADA. Use Value: Dual UART with FIFO and dual CAN with message RAM allow concurrent protocol stacks - enabling simultaneous Modbus master/slave and CANopen manager roles without software polling overhead.

Industrial Motor Drive

Factory Automation Node

Use Scenario: Closed-loop control of 3-phase AC induction motors in HVAC blowers and conveyor systems.

IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm with synchronized ADC sampling and PWM output generation at 20 kHz switching frequency.

Use Value: Integrated PWM dead-time control and 10-bit ADC with hardware trigger reduce timing jitter and eliminate external timing ICs, improving torque ripple performance by >15% versus discrete solutions.

Use Scenario: Distributed I/O module collecting sensor data and executing local logic in PLC racks.

IC Role / Device Role / Timing Role: Dual-CAN interface manages both control bus (CANopen) and diagnostics bus (J1939), while 32 KB RAM buffers process data between scan cycles.

Use Value: On-chip CAN controllers with 32 message objects per channel enable concurrent handling of 64 unique identifiers - eliminating external CAN protocol accelerators and reducing BOM count by two ICs.

Smart Power Inverter

Energy Metering Gateway

Use Scenario: Grid-tied solar inverter with MPPT tracking and anti-islanding protection.

IC Role / Device Role / Timing Role: High-resolution PWM generation with precise phase alignment across three legs, coupled with fast ADC sampling for voltage/current feedback.

Use Value: 48 MHz CPU clock and hardware ADC scan mode achieve sub-1 µs loop latency - meeting IEC 62109 anti-islanding response time requirements (<2 s) without FPGA co-processing.

Use Scenario: Substation-level metering gateway aggregating data from multiple smart meters via RS-485 and forwarding via CAN or Ethernet.

IC Role / Device Role / Timing Role: UART0/UART1 handle Modbus RTU over RS-485, while CAN1 manages local fieldbus communication and CAN0 routes alarms to SCADA.

Use Value: Dual UART with FIFO and dual CAN with message RAM allow concurrent protocol stacks - enabling simultaneous Modbus master/slave and CANopen manager roles without software polling overhead.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F566TEADFP	RL78/G14-based 16-bit MCU with 256 KB Flash, 32 MHz max, no integrated CAN - requires external CAN transceiver and lacks complementary PWM hardware.	Targeted at cost-sensitive, lower-complexity motor control where CAN is optional and 3-phase gate drive timing is less critical.	Select when BOM cost reduction outweighs need for dual CAN and hardware dead-time control.
MB9BF516RPMC	Fujitsu FM3-based 32-bit ARM Cortex-M3 MCU with 512 KB Flash, 100 MHz, dual CAN, but no integrated motor control PWM unit - relies on software-timed PWM or external gate driver ICs.	Suitable for applications requiring higher computational throughput (e.g., predictive maintenance algorithms) but accepting added complexity in PWM timing management.	Select when ARM ecosystem toolchain preference and higher CPU performance justify loss of hardware PWM safety features.

Compared with R5F566TEADFP and MB9BF516RPMC, the UPD70F3186GC-8EU-A uniquely combines dual CAN 2.0B, hardware complementary PWM with dead-time, and deterministic V850E real-time execution - making it optimal for safety-aware industrial motor drives where timing predictability and integration density are primary selection criteria.

Availability

UPD70F3186GC-8EU-A is available at Aetrix Electronics and suitable for industrial motor drives, factory automation nodes, smart power inverters, and energy metering gateways requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for UPD70F3186GC-8EU-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 automotive, industrial, and IoT markets.

The UPD70F3186GC-8EU-A belongs to the V850E/IA4 microcontroller family, designed specifically for deterministic real-time control in motor drives, industrial automation, and power conversion systems where reliability, peripheral integration, and industrial temperature operation are essential.

FAQ

What is the maximum operating frequency of the UPD70F3186GC-8EU-A?

The UPD70F3186GC-8EU-A supports a maximum CPU clock frequency of 48 MHz, achieved via its on-chip PLL that multiplies an external crystal or ceramic resonator input (typically 4–8 MHz). This frequency is fully supported across the full −40 °C to +85 °C industrial temperature range and 2.7–5.5 V supply voltage, enabling consistent real-time performance in demanding motor control applications.

Does the UPD70F3186GC-8EU-A include on-chip Flash memory and what is its endurance rating?

Yes, the UPD70F3186GC-8EU-A integrates 512 KB of on-chip Flash memory rated for 100,000 write/erase cycles and guaranteed 10-year data retention at +85 °C. This specification is confirmed in Renesas' U16543EJ4V0UD hardware manual and supports robust firmware updates and parameter storage in industrial environments without external nonvolatile memory.

How many CAN interfaces does the UPD70F3186GC-8EU-A support and what protocol versions are implemented?

The UPD70F3186GC-8EU-A supports two independent CAN 2.0B controllers compliant with ISO 11898-1, each capable of bit rates up to 1 Mbps and supporting both standard (11-bit) and extended (29-bit) identifier formats. Each controller includes 32 message object buffers with automatic acceptance filtering and retransmission on error - confirmed in Chapter 1.3.1 and Section 13 of the U16543EJ4V0UD manual.

What motor control-specific peripherals are integrated into the UPD70F3186GC-8EU-A?

The UPD70F3186GC-8EU-A integrates four complementary PWM channels (PWM0–PWM3) with 16-bit resolution, programmable dead-time insertion (1–255 ns steps), and fault input protection. It also includes an 8-channel 10-bit ADC with hardware-triggered scan mode and sample-and-hold - all optimized for synchronous sampling and gate drive in 3-phase inverter applications, as detailed in Sections 4.3.3 and 12 of the U16543EJ4V0UD manual.

Is the UPD70F3186GC-8EU-A qualified for industrial temperature operation and what is its specified range?

Yes, the UPD70F3186GC-8EU-A is qualified for industrial temperature operation with a specified ambient operating range of −40 °C to +85 °C. This is explicitly stated in Renesas' ordering information tables (Section 1.3.3) and electrical specifications (Chapter 24) of the U16543EJ4V0UD manual, and aligns with Renesas' "Standard" quality grade designation for industrial equipment applications.

UPD70F3186GC-8EU-A Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 100-LQFP

Series:: V850E/Ix4

Packaging:: Tray

Product Status:: Active

Programmable:: -

Core Processor:: V850E1

Core Size:: 32-Bit

Speed:: 64MHz

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

Peripherals:: DMA, LVD, POR, PWM, WDT

Number of I/O:: 56

Program Memory Size:: 256KB (256K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 12K x 8

Voltage - Supply (Vcc/Vdd):: 4V ~ 5.5V

Data Converters:: A/D 16x10b SAR, Sigma-Delta

Oscillator Type:: External

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

UPD70F3186GC-8EU-A FAQ

1.How can I place an order for UPD70F3186GC-8EU-A through Aetrix?

Please submit a Request for Quotation (RFQ) for UPD70F3186GC-8EU-A 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 UPD70F3186GC-8EU-A reliable?

The price and inventory of UPD70F3186GC-8EU-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3186GC-8EU-A is usually 5 days.

3.What payment methods are accepted for UPD70F3186GC-8EU-A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3186GC-8EU-A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for UPD70F3186GC-8EU-A?

UPD70F3186GC-8EU-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your UPD70F3186GC-8EU-A 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 UPD70F3186GC-8EU-A?

For technical support, including UPD70F3186GC-8EU-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3186GC-8EU-A requirements.

6.How does Aetrix verify that UPD70F3186GC-8EU-A is sourced from the original manufacturer or authorized distributors?

All UPD70F3186GC-8EU-A 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 UPD70F3186GC-8EU-A meets industry standards.

7.What is the process for return or replacement of UPD70F3186GC-8EU-A?

All UPD70F3186GC-8EU-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3186GC-8EU-A, 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 UPD70F3186GC-8EU-A part is unused and in its original packaging.

Return procedure for UPD70F3186GC-8EU-A:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…