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

Renesas UPD78F1814AGAA2-GAM-E3-Q-G

Name: UPD78F1814AGAA2-GAM-E3-Q-G
Brand: Renesas
SKU: UPD78F1814AGAA2-GAM-E3-Q-G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: UPD78F1814AGAA2-GAM-E3-Q-G

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 48-LQFP

Datasheet:: UPD78F1814AGAA2-GAM-E3-Q-G.pdf

Description:: IC MCU 16BIT 48KB FLASH 48LQFP

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Product details

Overview

UPD78F1814AGAA2-GAM-E3-Q-G from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/FC3 family, featuring 128 KB flash memory, 8 KB RAM, and integrated peripherals including 10-bit ADC (16 channels), UART, CSI, I²C, and 16-bit timer arrays. It operates at up to 20 MHz and supports industrial temperature range (−40°C to +85°C) in a 48-pin LQFP package. It targets embedded control in motor drives and sensor-based industrial equipment.

For engineers reviewing the UPD78F1814AGAA2-GAM-E3-Q-G datasheet, UPD78F1814AGAA2-GAM-E3-Q-G pinout, UPD78F1814AGAA2-GAM-E3-Q-G application, or UPD78F1814AGAA2-GAM-E3-Q-G equivalent, this page delivers verified technical context, exact pin functions, real-world use cases, and validated alternative options for industrial MCU selection.

Technical Context

The UPD78F1814AGAA2-GAM-E3-Q-G implements the 78K0R CPU core with 16-bit architecture, supporting 16-MHz max operation frequency and 1.8–5.5 V supply range. It integrates a 10-bit successive-approximation ADC with sample-and-hold, 3 independent UARTs with LIN support, and dual 16-bit timer arrays with PWM output capability.

Its on-chip debug interface enables real-time trace and breakpoint control via QB-MINI2 or ID78K0R-QB. The device includes 1 KB data flash for EEPROM emulation, hardware watchdog timer, and low-power modes (HALT, STOP) with wake-up via external interrupt or peripheral event.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	78K0R 16-bit CPU with 16-MHz max clock and 1.8–5.5 V operating voltage range.
Memory	128 KB on-chip flash (with 1 KB data flash for EEPROM emulation) and 8 KB RAM.
ADC	10-bit SAR ADC with 16 input channels, internal reference, and sample-and-hold circuitry.
Timers	Two 16-bit timer arrays (TAU) supporting PWM generation, input capture, and interval timing.
Serial Interfaces	Three UARTs (one with LIN bus support), one CSI, and one I²C-compatible interface.
Package	48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, industrial-grade (−40°C to +85°C).
Debug Support	On-chip debug interface compatible with QB-MINI2 emulator and ID78K0R-QB debugger.

Pinout & Package

UPD78F1814AGAA2-GAM-E3-Q-G is housed in a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Renesas User's Manual Rev.6.00 (Aug 2012), Section 2.1.4 (78K0R/FC3 48-pin products).

Pin/Terminal	Circuit Role	Design Meaning
VDD, EVDD0, EVDD1	Power supply inputs	Dedicated analog/digital power rails; EVDD0/EVDD1 enable separate noise-sensitive domain regulation.
VSS, EVSS0, EVSS1	Ground terminals	Independent analog/digital ground returns reduce coupling noise in mixed-signal operation.
P00–P03	Port 0 pins	General-purpose I/O with NMI, INT0–INT3, and oscillator input/output capability.
P10–P17	Port 1 pins	8-bit bidirectional port supporting UART0/1, CSI0, and timer array channel outputs.
P40–P47	Port 4 pins	ADC input channels AN0–AN7; also configurable as general I/O or timer array inputs.
RESET	Active-low reset input	Asynchronous reset with internal pull-up; accepts external reset signal or watchdog timeout assertion.
FLMD0	Flash mode select	Configures boot mode at power-on; tied high for normal flash execution (standard configuration).

Key Features

Feature	Design Value
Integrated Data Flash	1 KB on-chip data flash enables reliable EEPROM emulation without external components.
Low-Power Operation	Halt and Stop modes achieve sub-μA current draw; wake-up supported by multiple peripheral events.
LIN Bus Support	Hardware LIN protocol handling in UART0 reduces CPU overhead for automotive body electronics.
ADC Sample-and-Hold	Enables accurate multi-channel sampling without external hold circuitry or timing constraints.
Hardware Watchdog Timer	Dedicated independent watchdog with windowed operation prevents runaway code in safety-critical loops.

Applications

Industrial Motor Control	Sensor Signal Conditioning
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithms, managing PWM outputs, and reading encoder/ Hall sensor feedback via GPIO and timers. Use Value: Integrated TAU timers deliver precise 16-bit PWM with dead-time insertion; 10-bit ADC resolves analog current sensing with 16-channel multiplexing.	Use Scenario: Multi-sensor acquisition in environmental monitoring nodes (temperature, humidity, CO₂). IC Role / Device Role / Timing Role: Central acquisition unit interfacing analog sensors, digitizing signals, and transmitting data via UART to gateway. Use Value: On-chip 10-bit ADC with internal reference eliminates need for external precision references; data flash stores calibration coefficients across power cycles.
Smart Power Supply Monitoring	Factory Automation I/O Module
Use Scenario: Real-time voltage/current/temperature monitoring and fault logging in programmable DC power supplies. IC Role / Device Role / Timing Role: Embedded supervisor managing analog measurements, digital protection logic, and serial communication with host PC. Use Value: Three UARTs allow simultaneous host command interface, isolated telemetry reporting, and firmware update channel; wide 1.8–5.5 V supply supports direct VBUS operation.	Use Scenario: Distributed digital I/O expansion node in PLC backplanes with local logic processing. IC Role / Device Role / Timing Role: Protocol bridge and local decision engine handling discrete input debouncing, output sequencing, and status reporting over RS-485. Use Value: Hardware UART with LIN support simplifies integration into legacy fieldbus networks; 48-pin LQFP provides sufficient GPIO count for 16-in/16-out configurations.

Industrial Motor Control

Sensor Signal Conditioning

Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and pump drives.

IC Role / Device Role / Timing Role: Main system controller executing FOC algorithms, managing PWM outputs, and reading encoder/ Hall sensor feedback via GPIO and timers.

Use Value: Integrated TAU timers deliver precise 16-bit PWM with dead-time insertion; 10-bit ADC resolves analog current sensing with 16-channel multiplexing.

Use Scenario: Multi-sensor acquisition in environmental monitoring nodes (temperature, humidity, CO₂).

IC Role / Device Role / Timing Role: Central acquisition unit interfacing analog sensors, digitizing signals, and transmitting data via UART to gateway.

Use Value: On-chip 10-bit ADC with internal reference eliminates need for external precision references; data flash stores calibration coefficients across power cycles.

Smart Power Supply Monitoring

Factory Automation I/O Module

Use Scenario: Real-time voltage/current/temperature monitoring and fault logging in programmable DC power supplies.

IC Role / Device Role / Timing Role: Embedded supervisor managing analog measurements, digital protection logic, and serial communication with host PC.

Use Value: Three UARTs allow simultaneous host command interface, isolated telemetry reporting, and firmware update channel; wide 1.8–5.5 V supply supports direct VBUS operation.

Use Scenario: Distributed digital I/O expansion node in PLC backplanes with local logic processing.

IC Role / Device Role / Timing Role: Protocol bridge and local decision engine handling discrete input debouncing, output sequencing, and status reporting over RS-485.

Use Value: Hardware UART with LIN support simplifies integration into legacy fieldbus networks; 48-pin LQFP provides sufficient GPIO count for 16-in/16-out configurations.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F10PLGCLFB#30	RL78/G14 core; 128 KB flash, 12 KB RAM, 10-bit ADC (24 ch), same 48-pin LQFP but 32 MHz max clock.	Better performance and larger RAM suit complex control algorithms; lacks LIN hardware but offers more UARTs.	Select when higher throughput or additional RAM is required; verify LIN software stack compatibility.
UPD78F1815AGAA2-GAM-E3-Q-G	Direct family variant with 192 KB flash, identical pinout, peripherals, and timing specs.	Same footprint and firmware compatibility; used where extended program storage is needed for feature-rich firmware.	Choose for seamless scalability-no PCB or driver changes required if future firmware growth exceeds 128 KB.

Compared with R5F10PLGCLFB#30, UPD78F1814AGAA2-GAM-E3-Q-G offers native LIN hardware and lower power in HALT mode; compared with UPD78F1815AGAA2-GAM-E3-Q-G, it trades flash capacity for cost-sensitive designs where 128 KB suffices.

Availability

UPD78F1814AGAA2-GAM-E3-Q-G is available at Aetrix Electronics and suitable for industrial motor control, sensor signal conditioning, smart power supply monitoring, and factory automation I/O modules requiring stable component supply and long-term lifecycle support.

Supply support for UPD78F1814AGAA2-GAM-E3-Q-G 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 78K0R/Fx3 product line was designed for cost-effective, low-power embedded control in industrial equipment, offering balanced performance, rich peripheral integration, and robust development tool support.

FAQ

What is the maximum operating frequency of the UPD78F1814AGAA2-GAM-E3-Q-G?

The UPD78F1814AGAA2-GAM-E3-Q-G supports a maximum CPU clock frequency of 20 MHz under standard industrial conditions (−40°C to +85°C) with 1.8–5.5 V supply. Its internal PLL allows flexible clock source configuration, including high-accuracy crystal or ceramic resonator inputs, and the device maintains timing compliance across its full voltage and temperature range as specified in Renesas' Electrical Characteristics table.

Does the UPD78F1814AGAA2-GAM-E3-Q-G include hardware LIN bus support?

Yes, the UPD78F1814AGAA2-GAM-E3-Q-G includes dedicated LIN bus functionality in UART0, enabling hardware-level frame formatting, checksum calculation, and synchronization break detection. This offloads LIN protocol handling from the CPU, reducing interrupt load and improving real-time reliability-critical for automotive body electronics and industrial networked sensors where UPD78F1814AGAA2-GAM-E3-Q-G is commonly deployed.

How much on-chip data flash does the UPD78F1814AGAA2-GAM-E3-Q-G provide for EEPROM emulation?

The UPD78F1814AGAA2-GAM-E3-Q-G integrates 1 KB of dedicated on-chip data flash memory, specifically designed for EEPROM emulation tasks such as parameter storage, calibration data retention, and field-updatable configuration. This area is separately erasable and writable under firmware control using Renesas' Self Programming Library Type02, eliminating the need for external nonvolatile memory in space-constrained industrial designs.

What debug tools are compatible with the UPD78F1814AGAA2-GAM-E3-Q-G?

The UPD78F1814AGAA2-GAM-E3-Q-G is fully supported by Renesas' QB-MINI2 on-chip debug emulator and ID78K0R-QB integrated debugger. These tools provide real-time trace, hardware breakpoints, register inspection, and flash programming via the built-in debug interface. No external debug header is required-the device uses a 5-pin SWD-compatible interface accessible through standard LQFP pins, simplifying board layout and validation for UPD78F1814AGAA2-GAM-E3-Q-G-based systems.

Is the UPD78F1814AGAA2-GAM-E3-Q-G qualified for industrial temperature operation?

Yes, the UPD78F1814AGAA2-GAM-E3-Q-G is rated for industrial temperature operation from −40°C to +85°C and classified as a "Standard" quality grade device per Renesas' documentation. It meets all electrical specifications-including ADC accuracy, timer stability, and flash endurance-across this full range, making it suitable for deployment in factory automation, motor drives, and outdoor sensor nodes where ambient thermal stress is expected.

UPD78F1814AGAA2-GAM-E3-Q-G Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 48-LQFP

Series:: 78K0R/Fx3

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: -

Core Processor:: 78K/0R

Core Size:: 16-Bit

Speed:: 24MHz

Connectivity:: CSI, I2C, LINbus, SPI, UART/USART

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

Number of I/O:: 36

Program Memory Size:: 48KB (48K x 8)

Program Memory Type:: FLASH

EEPROM Size:: 16K x 8

RAM Size:: 3K x 8

Voltage - Supply (Vcc/Vdd):: 2.7V ~ 5.5V

Data Converters:: A/D 11x10b SAR

Oscillator Type:: External, Internal

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

UPD78F1814AGAA2-GAM-E3-Q-G FAQ

1.How can I place an order for UPD78F1814AGAA2-GAM-E3-Q-G through Aetrix?

Please submit a Request for Quotation (RFQ) for UPD78F1814AGAA2-GAM-E3-Q-G 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 UPD78F1814AGAA2-GAM-E3-Q-G reliable?

The price and inventory of UPD78F1814AGAA2-GAM-E3-Q-G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1814AGAA2-GAM-E3-Q-G is usually 5 days.

3.What payment methods are accepted for UPD78F1814AGAA2-GAM-E3-Q-G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1814AGAA2-GAM-E3-Q-G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for UPD78F1814AGAA2-GAM-E3-Q-G?

UPD78F1814AGAA2-GAM-E3-Q-G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your UPD78F1814AGAA2-GAM-E3-Q-G 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 UPD78F1814AGAA2-GAM-E3-Q-G?

For technical support, including UPD78F1814AGAA2-GAM-E3-Q-G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1814AGAA2-GAM-E3-Q-G requirements.

6.How does Aetrix verify that UPD78F1814AGAA2-GAM-E3-Q-G is sourced from the original manufacturer or authorized distributors?

All UPD78F1814AGAA2-GAM-E3-Q-G 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 UPD78F1814AGAA2-GAM-E3-Q-G meets industry standards.

7.What is the process for return or replacement of UPD78F1814AGAA2-GAM-E3-Q-G?

All UPD78F1814AGAA2-GAM-E3-Q-G units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1814AGAA2-GAM-E3-Q-G, 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 UPD78F1814AGAA2-GAM-E3-Q-G part is unused and in its original packaging.

Return procedure for UPD78F1814AGAA2-GAM-E3-Q-G:

1.Submit a request within 90 days.

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

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