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ATMEGA16820AU
The ATMEGA168-20AU microcontroller is designed for industrial applications, featuring a high-speed 20MHz clock frequency and a TQFP package
ATMEGA16820AU
The ATMEGA168-20AU microcontroller is designed for industrial applications, featuring a high-speed 20MHz clock frequency and a TQFP package
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Service & Packaging
Service & Packaging
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Initiate the application within 90 days from the shipment date.
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ATMEGA16820AU DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The high-performance, low-power Microchip AVR® RISC-based CMOS 8-bit microcontroller combines 16 KB ISP flash memory with read-while-write capabilities, 512B EEPROM, 1 KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, byte-oriented Two-Wire serial interface, SPI serial port, 6-channel/10-bit A/D converter (8-channel in TQFP and QFN packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.
Key Features
Application
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Category | Integrated Circuits (ICs)EmbeddedMicrocontrollers | Mfr | Microchip Technology |
| Series | AVR® ATmega | Package | Tray |
| Product Status | Active | Programmable | Verified |
| Core Processor | AVR | Core Size | 8-Bit |
| Speed | 20MHz | Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Number of I/O | 23 |
| Program Memory Size | 16KB (8K x 16) | Program Memory Type ! | FLASH |
| EEPROM Size | 512 x 8 | RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | Data Converters | A/D 8x10b |
| Oscillator Type ! | Internal | Operating Temperature ! | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Package / Case | 32-TQFP |
| Supplier Device Package | 32-TQFP (7x7) | Base Product Number | ATMEGA168 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ATMEGA168-20AU?
The ATMEGA168-20AU is a high-performance, low-power 8-bit microcontroller from Microchip Technology (previously Atmel). It is part of the popular AVR family of microcontrollers and is designed for a wide range of applications including industrial control, IoT devices, and consumer electronics.
How Does ATMEGA168-20AU Work?
The ATMEGA168-20AU operates as a versatile microcontroller with a rich set of integrated peripherals, including timers, communication interfaces, and analog-to-digital converters. It is programmed to execute instructions and interact with external components, making it suitable for embedded systems and control applications.
How Many Pins does ATMEGA168-20AU have and What are the Functions of the Pinout Configuration?
The ATMEGA168-20AU is housed in a 32-lead TQFP (Thin Quad Flat Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- Port B, Port C, Port D: General-purpose I/O pins.
- Analog Inputs (ADC0-ADC7): Pins for analog-to-digital conversion.
- USART, SPI, TWI: Communication interface pins.
- Timer/Counter, PWM: Timer and pulse-width modulation pins.
- Interrupt, Reset, and Clock Pins: Control and timing pins.
What are the Pros and Cons of ATMEGA168-20AU?
Pros:
- Versatility: Offers a wide range of integrated peripherals for diverse application requirements.
- Low Power: Operates at low power, suitable for battery-powered and energy-efficient devices.
- Rich Ecosystem: Supported by a large community and a wealth of development tools and resources.
- Robustness: Provides reliable operation in industrial and harsh environments.
- Cost-Effective: Offers a balance of performance and cost for various embedded applications.
Cons:
- 8-Bit Architecture: May have limitations for applications requiring higher computational power and precision.
- Memory Constraints: Limited program memory and data memory compared to higher-end microcontrollers.
- Peripheral Limitations: May not have certain advanced peripherals found in higher-end microcontrollers.
Are There Any Equivalents/Alternatives to ATMEGA168-20AU for Recommendation?
- The ATMEGA328P from Microchip Technology is an upgraded version with more program memory and additional features.
- Alternatives to the ATMEGA168-20AU include the PIC16F887 from Microchip Technology and the STM32F103C8T6 from STMicroelectronics.
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