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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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ATMEGA16820AU 數據表
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詳細說明
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.
主要特徵
應用
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| 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 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
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.
