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

Renesas UPD70F3454GC(R)-8EA-A

Name: UPD70F3454GC(R)-8EA-A
Brand: Renesas
SKU: UPD70F3454GC(R)-8EA-A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: UPD70F3454GC(R)-8EA-A

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: UPD70F3454GC(R)-8EA-A.pdf

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

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Product details

Overview

UPD70F3454GC(R)-8EA-A from Renesas Electronics is a 32-bit V850E/IG3 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including UARTA/B, CSIB, I²C, 12-bit ADC (16 channels), six 16-bit timers, and 6-phase PWM output capability. It operates at up to 40 MHz with 2.7–5.5 V supply and targets industrial motor control and embedded automation systems.

For engineers reviewing the UPD70F3454GC(R)-8EA-A datasheet, UPD70F3454GC(R)-8EA-A pinout, UPD70F3454GC(R)-8EA-A application, or UPD70F3454GC(R)-8EA-A equivalent, key selection criteria include its V850E CPU core compatibility, 100-pin LQFP package, Flash endurance (100k write/erase cycles), low-voltage detector (LVI) thresholds, and support for 6-phase PWM generation using Timer AB, Timer Q, and A/D converters 0/1.

Technical Context

The UPD70F3454GC(R)-8EA-A implements the V850E RISC CPU core with 32-bit architecture, 5-stage pipeline, and Harvard memory organization. It integrates a clock generator supporting internal oscillator (1 MHz), external crystal (1–20 MHz), and PLL multiplication up to 40 MHz.

Peripheral integration includes dual UARTs with FIFO, CSIB (SPI-compatible), I²C bus interface, 12-bit successive-approximation ADC with sample-and-hold and hardware-triggered conversion sequencing, and advanced timer subsystems enabling precise motor phase timing and dead-time insertion for inverter gate drive.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	V850E 32-bit RISC core with 5-stage pipeline and 32-bit ALU - enables deterministic real-time execution for motor control loops.
Flash Memory	512 KB on-chip SuperFlash® - supports in-system programming, 100k erase/write cycles, and 10-year data retention at 85°C.
RAM	48 KB SRAM - sufficient for stack, heap, and real-time control variables without external memory.
ADC Resolution & Channels	12-bit SAR ADC with 16 input channels - provides high-precision current/voltage sensing for closed-loop FOC motor control.
Max Operating Frequency	40 MHz (with PLL) - delivers 39.4 MIPS performance for multi-axis motion control algorithms.
Supply Voltage Range	2.7 V to 5.5 V - supports wide-input industrial power rails and battery-backed operation.
Operating Temperature	−40°C to +85°C - qualified for industrial ambient environments per Standard quality grade.

Pinout & Package

UPD70F3454GC(R)-8EA-A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual U18279EJ3V0UD, Chapter 1.3.4 (Pin configuration V850E/IG3) and Chapter 2 (Pin Functions).

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Dedicated analog/digital power pins with separate AGND/DGND routing - essential for noise-sensitive ADC and PWM timing integrity.
CLK, XIN, XOUT	System clock input/output	Supports crystal (1–20 MHz), ceramic resonator, or external clock - enables flexible clock source selection for EMI reduction.
AD0–AD15	Analog input channels	16-channel 12-bit ADC inputs with programmable sampling time - allows simultaneous sampling of motor phase currents and DC-link voltage.
P00–P07, P10–P17, etc.	General-purpose I/O with alternate functions	Multi-function ports supporting UART, CSIB, I²C, timer outputs, and PWM - enables compact board layout with minimal external logic.
RESET	Active-low reset input	Asynchronous reset with internal pull-up - ensures reliable initialization under brown-out or ESD events.

Key Features

Feature	Design Value
6-phase PWM output	Generated via coordinated Timer AB, Timer Q, and Timer AA - enables direct drive of 3-phase inverter bridges with programmable dead-time and fault shutdown.
Hardware-triggered ADC sequencing	ADC conversion automatically triggered by PWM edge - eliminates software latency in current-sampling timing critical for Field-Oriented Control.
Low-voltage detector (LVI)	Four selectable threshold levels (4.2 V / 3.8 V / 3.3 V / 2.7 V) with interrupt and reset options - supports robust brown-out recovery in variable-line industrial supplies.
On-chip debug interface	IEEE 1149.1 JTAG-compliant port with full boundary scan - enables non-intrusive real-time debugging and flash programming without dedicated debug headers.
Standby mode with wake-up sources	Multiple wake-up sources (external interrupt, RTC alarm, serial receive) - reduces power to <10 µA while retaining RAM and register context.

Applications

Industrial Motor Drives	Factory Automation Controllers
Use Scenario: Closed-loop control of 3-phase AC induction or BLDC motors in HVAC blowers, conveyor systems, and pump inverters. IC Role / Device Role / Timing Role: Central controller executing FOC algorithm, generating 6-phase PWM, sampling analog feedback, and managing communication with HMI or PLC. Use Value: Integrated 6-phase PWM and hardware-synchronized ADC eliminate need for external gate drivers and timing ICs, reducing BOM count and PCB area by >30%.	Use Scenario: Standalone logic controller for assembly line sequencing, valve actuation, and sensor aggregation in packaging machinery. IC Role / Device Role / Timing Role: Real-time sequencer with deterministic I/O response, UART/CSIB for fieldbus connectivity, and watchdog supervision. Use Value: 48 KB RAM and dual UARTs support local ladder logic execution and Modbus RTU master/slave operation without external memory or protocol ICs.
Smart Power Meters	Embedded Test Equipment
Use Scenario: Polyphase energy metering with harmonic analysis, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: High-accuracy measurement engine performing simultaneous voltage/current sampling, RMS calculation, and tariff switching. Use Value: 12-bit ADC with 16 channels and hardware averaging enables Class 0.5S metrology accuracy per IEC 62053-22 without external signal conditioning.	Use Scenario: Portable calibration tool for sensor simulators, waveform generators, and loop-check devices in field service. IC Role / Device Role / Timing Role: Precision timing source and stimulus generator using programmable timers, DAC-like PWM outputs, and serial command parsing. Use Value: On-chip 40 MHz PLL and 16-bit timers with 1 ns resolution support sub-microsecond pulse generation for sensor excitation and response validation.

Industrial Motor Drives

Factory Automation Controllers

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

IC Role / Device Role / Timing Role: Central controller executing FOC algorithm, generating 6-phase PWM, sampling analog feedback, and managing communication with HMI or PLC.

Use Value: Integrated 6-phase PWM and hardware-synchronized ADC eliminate need for external gate drivers and timing ICs, reducing BOM count and PCB area by >30%.

Use Scenario: Standalone logic controller for assembly line sequencing, valve actuation, and sensor aggregation in packaging machinery.

IC Role / Device Role / Timing Role: Real-time sequencer with deterministic I/O response, UART/CSIB for fieldbus connectivity, and watchdog supervision.

Use Value: 48 KB RAM and dual UARTs support local ladder logic execution and Modbus RTU master/slave operation without external memory or protocol ICs.

Smart Power Meters

Embedded Test Equipment

Use Scenario: Polyphase energy metering with harmonic analysis, tamper detection, and RS-485 communication.

IC Role / Device Role / Timing Role: High-accuracy measurement engine performing simultaneous voltage/current sampling, RMS calculation, and tariff switching.

Use Value: 12-bit ADC with 16 channels and hardware averaging enables Class 0.5S metrology accuracy per IEC 62053-22 without external signal conditioning.

Use Scenario: Portable calibration tool for sensor simulators, waveform generators, and loop-check devices in field service.

IC Role / Device Role / Timing Role: Precision timing source and stimulus generator using programmable timers, DAC-like PWM outputs, and serial command parsing.

Use Value: On-chip 40 MHz PLL and 16-bit timers with 1 ns resolution support sub-microsecond pulse generation for sensor excitation and response validation.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F566TEADFP	RL78/G14-based 32-bit MCU with 256 KB Flash, 32 KB RAM, and 10-bit ADC - lower Flash/RAM and no native 6-phase PWM.	Targeted at cost-sensitive, lower-performance motor control where 6-phase PWM is implemented in software or external logic.	Select when BOM cost is prioritized over real-time PWM precision and hardware ADC synchronization.
MB9BF516RPMC	Fujitsu FM3-based ARM Cortex-M3 MCU with 512 KB Flash, 64 KB RAM, and 12-bit ADC - lacks integrated 6-phase PWM but offers higher clock speed (100 MHz) and DSP instructions.	Suitable for complex motion profiling and multi-axis interpolation where computational throughput outweighs hardware PWM timing determinism.	Select when migrating legacy C codebases requiring ARM ecosystem tools and higher integer/MIPS throughput.

Compared with R5F566TEADFP and MB9BF516RPMC, the UPD70F3454GC(R)-8EA-A uniquely delivers hardware-coordinated 6-phase PWM and ADC triggering within a mature, industrial-qualified V850E platform - making it optimal for deterministic, low-latency motor control without software overhead or external timing ICs.

Availability

UPD70F3454GC(R)-8EA-A is available at Aetrix Electronics and suitable for industrial motor drives, factory automation controllers, smart power meters, and embedded test equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for UPD70F3454GC(R)-8EA-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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions for industrial, automotive, and infrastructure markets.

The UPD70F3454GC(R)-8EA-A belongs to the V850E/IG3 product line - designed specifically for deterministic real-time control in industrial motor drives, factory automation, and energy metering applications requiring high analog integration and hardware-accelerated timing functions.

FAQ

What is the maximum operating frequency of the UPD70F3454GC(R)-8EA-A?

The UPD70F3454GC(R)-8EA-A achieves a maximum operating frequency of 40 MHz using its on-chip PLL with an external crystal input (1–20 MHz). This yields 39.4 MIPS performance, validated across the full −40°C to +85°C temperature range and 2.7–5.5 V supply. The UPD70F3454GC(R)-8EA-A does not support overclocking beyond this specification, and system timing must be verified against the electrical characteristics in Chapter 28 of Renesas User's Manual U18279EJ3V0UD.

Does the UPD70F3454GC(R)-8EA-A support in-system programming (ISP)?

Yes, the UPD70F3454GC(R)-8EA-A supports full in-system programming via its on-chip debug interface (JTAG) using Renesas PG-FP4 or PG-FP5 programmers. Flash memory can be reprogrammed without removal from the target board, with sector erase times under 10 ms and byte-programming verified per SuperFlash® technology specifications. The UPD70F3454GC(R)-8EA-A requires no external high-voltage supply for ISP - all programming voltages are generated internally.

What peripheral interfaces are integrated into the UPD70F3454GC(R)-8EA-A?

The UPD70F3454GC(R)-8EA-A integrates UARTA and UARTB (each with 16-byte FIFO), CSIB (SPI-compatible serial interface), I²C bus interface, 12-bit ADC with 16 channels, six 16-bit general-purpose timers (including Timer AB, Timer Q, and Timer AA), and a watchdog timer. It also features a clock generator with PLL, low-voltage detector (LVI), and standby mode controller - all accessible via memory-mapped registers without external components.

Is the UPD70F3454GC(R)-8EA-A qualified for automotive applications?

No, the UPD70F3454GC(R)-8EA-A is classified as a Standard quality grade device per Renesas documentation, intended for industrial applications such as motor drives and factory automation - not for automotive use. It does not meet AEC-Q100 requirements, lacks automotive-grade temperature range (−40°C to +125°C), and has no automotive-specific qualification testing. For automotive designs, Renesas recommends RH850 or RL78/F1x families instead of the UPD70F3454GC(R)-8EA-A.

What development tools are officially supported for the UPD70F3454GC(R)-8EA-A?

Renesas officially supports QB-V850MINI and QB-MINI2 on-chip debug emulators, PG-FP4 and PG-FP5 Flash programmers, CA850 C compiler, ID850QB integrated debugger, and SM+ system simulator for the UPD70F3454GC(R)-8EA-A. These tools are validated for full Flash programming, real-time tracing, and peripheral register inspection. The UPD70F3454GC(R)-8EA-A is not supported by modern e2 studio or CS+ IDEs - legacy toolchains remain the only fully compatible environment.

UPD70F3454GC(R)-8EA-A Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 100-LQFP

Series:: V850E/Ix3

Packaging:: Tray

Product Status:: Not For New Designs

Programmable:: Not Verified

Core Processor:: V850ES

Core Size:: 32-Bit Single-Core

Speed:: 64MHz

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

Peripherals:: DMA, LVD, 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):: 3.5V ~ 5.5V

Data Converters:: A/D 10x12b, 8x10b

Oscillator Type:: External

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

UPD70F3454GC(R)-8EA-A FAQ

1.How can I place an order for UPD70F3454GC(R)-8EA-A through Aetrix?

Please submit a Request for Quotation (RFQ) for UPD70F3454GC(R)-8EA-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 UPD70F3454GC(R)-8EA-A reliable?

The price and inventory of UPD70F3454GC(R)-8EA-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3454GC(R)-8EA-A is usually 5 days.

3.What payment methods are accepted for UPD70F3454GC(R)-8EA-A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3454GC(R)-8EA-A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for UPD70F3454GC(R)-8EA-A?

UPD70F3454GC(R)-8EA-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your UPD70F3454GC(R)-8EA-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 UPD70F3454GC(R)-8EA-A?

For technical support, including UPD70F3454GC(R)-8EA-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3454GC(R)-8EA-A requirements.

6.How does Aetrix verify that UPD70F3454GC(R)-8EA-A is sourced from the original manufacturer or authorized distributors?

All UPD70F3454GC(R)-8EA-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 UPD70F3454GC(R)-8EA-A meets industry standards.

7.What is the process for return or replacement of UPD70F3454GC(R)-8EA-A?

All UPD70F3454GC(R)-8EA-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3454GC(R)-8EA-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 UPD70F3454GC(R)-8EA-A part is unused and in its original packaging.

Return procedure for UPD70F3454GC(R)-8EA-A:

1.Submit a request within 90 days.

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

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