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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series 78K0R/Kx3
Packaging | Tray
Core Processor 78K/0R
Core Size 16-Bit
Speed 20MHz
Connectivity 3-Wire SIO, I2C, LINbus, UART/USART
Peripherals DMA, LVD, POR, PWM, WDT
Number of I/O 83
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 12K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 16x10b; D/A 2x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 100-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

Renesas UPD78F1166AGC-UEU-AX 16-Bit Microcontroller

The UPD78F1166AGC-UEU-AX from Renesas Electronics is a high-performance 16-bit microcontroller from the 78K0R/Kx3 series, engineered for demanding embedded applications in automotive, industrial automation, and IoT systems. With its robust feature set and wide operating voltage range, this MCU delivers exceptional reliability and versatility for your next-generation designs.

Key Features & Benefits

  • High-Performance 78K/0R Core: 16-bit architecture running at 20MHz provides efficient processing power for real-time control applications
  • Generous Memory: 256KB Flash program memory and 12KB RAM ensure ample space for complex firmware and data handling
  • Rich Connectivity: Integrated 3-Wire SIO, I2C, LINbus, and UART/USART interfaces enable seamless communication with sensors, displays, and networks
  • Advanced Peripherals: Built-in DMA, LVD, POR, PWM, and WDT simplify system design and enhance reliability
  • Extensive I/O: 83 general-purpose I/O pins provide maximum flexibility for interfacing with external components
  • Precision Data Conversion: 16-channel 10-bit ADC and dual 8-bit DAC support accurate analog signal processing
  • Wide Voltage Range: Operates from 1.8V to 5.5V, compatible with both low-power and standard voltage systems
  • Industrial Temperature Range: Rated for -40°C to 85°C operation ensures reliable performance in harsh environments
  • Compact Surface Mount Package: 100-LQFP package optimizes board space while maintaining excellent thermal characteristics

Ideal Applications

This microcontroller excels in automotive body control modules, industrial motor control, smart metering, home automation, medical devices, and battery-powered IoT edge nodes where reliability, connectivity, and power efficiency are critical.

Why Choose HQICKEY?

At HQICKEY, we guarantee 100% authentic Renesas components with full traceability and lifecycle support. Every UPD78F1166AGC-UEU-AX is sourced directly from authorized distributors, ensuring you receive genuine parts backed by manufacturer warranties and technical support.

Related Resources

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