規格
| 屬性 | 價值 |
| Package / Case | Bulk |
| Series | AVR® ATmega |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 8MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 8KB (4K 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 6x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
概述
Description
The ATMEGA8L-8PU is a low-power, 8-bit microcontroller from Atmel's AVR family, widely used in embedded systems. It features 8KB of in-system programmable Flash memory, 512 Bytes of EEPROM, and 1KB of SRAM. The microcontroller operates at a maximum clock speed of 8 MHz and requires a supply voltage between 2.7V and 5.5V, making it suitable for battery-powered applications.
Key features include 23 general-purpose I/O pins, three flexible timer/counters, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire serial interface, an SPI serial port, a 6-channel 10-bit A/D converter, and a programmable watchdog timer. It also supports in-circuit serial programming, which allows for easy updates.
The ATMEGA8L-8PU is known for its reliability and efficiency, making it popular for prototyping and educational purposes. Its DIP package allows for easy integration into breadboards and other development setups. Its combination of features provides a balance of performance and power consumption, suitable for various applications such as robotics, control systems, and IoT devices.
Key features include 23 general-purpose I/O pins, three flexible timer/counters, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire serial interface, an SPI serial port, a 6-channel 10-bit A/D converter, and a programmable watchdog timer. It also supports in-circuit serial programming, which allows for easy updates.
The ATMEGA8L-8PU is known for its reliability and efficiency, making it popular for prototyping and educational purposes. Its DIP package allows for easy integration into breadboards and other development setups. Its combination of features provides a balance of performance and power consumption, suitable for various applications such as robotics, control systems, and IoT devices.
Equivalent
Equivalent products to the ATMEGA8L-8PU include the ATMEGA8A-PU which offers similar functionality and pin compatibility. You might also consider the ATMEGA88 series, such as the ATMEGA88-20PU or ATMEGA88PA-PUfor more memory and features. Additionally, the Microchip PIC16F series provides alternative microcontrollers with comparable specifications, but may require code and design adjustments. Always check for specific application requirements and pin compatibility when selecting a replacement.
Features
The ATmega8L-8PU is an 8-bit microcontroller from Atmel's AVR series, designed for embedded applications. Key features include:
- Architecture: AVR RISC architecture.
- Performance: 16 MIPS throughput at 16 MHz.
- Operating Voltage: 2.7V to 5.5V.
- Flash Memory: 8 KB In-System Self-Programmable Flash.
- EEPROM: 512 bytes.
- SRAM: 1 KB.
- I/O Ports: 23 programmable I/O lines.
- Timers: Two 8-bit and one 16-bit timer/counter, with separate prescalers.
- ADC: 10-bit, six-channel ADC.
- PWM: PWM support through timer/counter.
- Interfaces: SPI, I2C (TWI), and USART.
- Oscillators: Internal calibrated RC oscillator and external crystal/resonator options.
- Interrupts: Two external interrupts.
- Power-saving Modes: Multiple, including Idle and Power-down modes.
- Package: 28-pin PDIP.
- Temperature Range: -40°C to 85°C.
The ATmega8L-8PU is suitable for a variety of applications, requiring minimal power while providing robust performance.
- Architecture: AVR RISC architecture.
- Performance: 16 MIPS throughput at 16 MHz.
- Operating Voltage: 2.7V to 5.5V.
- Flash Memory: 8 KB In-System Self-Programmable Flash.
- EEPROM: 512 bytes.
- SRAM: 1 KB.
- I/O Ports: 23 programmable I/O lines.
- Timers: Two 8-bit and one 16-bit timer/counter, with separate prescalers.
- ADC: 10-bit, six-channel ADC.
- PWM: PWM support through timer/counter.
- Interfaces: SPI, I2C (TWI), and USART.
- Oscillators: Internal calibrated RC oscillator and external crystal/resonator options.
- Interrupts: Two external interrupts.
- Power-saving Modes: Multiple, including Idle and Power-down modes.
- Package: 28-pin PDIP.
- Temperature Range: -40°C to 85°C.
The ATmega8L-8PU is suitable for a variety of applications, requiring minimal power while providing robust performance.
Pinout
The ATmega8L-8PU is a microcontroller from Atmel's AVR family and comes in a 28-pin PDIP package. Here’s a concise breakdown of its pin count and functions:
1. VCC (Pin 7): Digital supply voltage.
2. GND (Pin 8 and 22): Ground.
3. Port B (PB0-PB7, Pins 1-8): 8-bit bi-directional I/O port with internal pull-up resistors.
4. Port C (PC0-PC6, Pins 23-28): 7-bit bi-directional I/O port with internal pull-up resistors. PC6 can also be used as RESET.
5. Port D (PD0-PD7, Pins 14-21): 8-bit bi-directional I/O port with internal pull-up resistors.
6. AVCC (Pin 20): Supply voltage for Port C and ADC.
7. AREF (Pin 21): Analog reference pin for ADC.
8. Analog Input Pins: Pins PC0-PC5 are multiplexed with ADC inputs.
The ATmega8L-8PU serves general-purpose applications, including digital signal processing, data handling, and custom user interfaces, thanks to its versatile I/O ports and integrated features like ADCs.
1. VCC (Pin 7): Digital supply voltage.
2. GND (Pin 8 and 22): Ground.
3. Port B (PB0-PB7, Pins 1-8): 8-bit bi-directional I/O port with internal pull-up resistors.
4. Port C (PC0-PC6, Pins 23-28): 7-bit bi-directional I/O port with internal pull-up resistors. PC6 can also be used as RESET.
5. Port D (PD0-PD7, Pins 14-21): 8-bit bi-directional I/O port with internal pull-up resistors.
6. AVCC (Pin 20): Supply voltage for Port C and ADC.
7. AREF (Pin 21): Analog reference pin for ADC.
8. Analog Input Pins: Pins PC0-PC5 are multiplexed with ADC inputs.
The ATmega8L-8PU serves general-purpose applications, including digital signal processing, data handling, and custom user interfaces, thanks to its versatile I/O ports and integrated features like ADCs.
Manufacturer
The ATMEGA8L-8PU is manufactured by Microchip Technology Inc. This company is a prominent American semiconductor and microcontroller corporation. Microchip Technology specializes in the production of microcontrollers, memory, analog devices, and various integrated circuits. They serve a wide range of industries, including automotive, industrial, consumer electronics, and data communication sectors, by providing embedded control solutions.
Application
The ATMEGA8L-8PU, a low-power 8-bit AVR microcontroller, is used in various applications due to its versatility and cost-effectiveness. It is commonly found in:
1. Embedded systems for consumer electronics.
2. Simple robotics and automation.
3. Home automation devices.
4. Data logging and sensor interfacing.
5. Educational and hobbyist projects.
6. Medical instruments requiring basic processing.
7. Remote controls and simple user interface systems.
8. LED and LCD display controllers.
Its low power consumption and ease of programming make it suitable for battery-operated devices and applications requiring basic computational tasks.
1. Embedded systems for consumer electronics.
2. Simple robotics and automation.
3. Home automation devices.
4. Data logging and sensor interfacing.
5. Educational and hobbyist projects.
6. Medical instruments requiring basic processing.
7. Remote controls and simple user interface systems.
8. LED and LCD display controllers.
Its low power consumption and ease of programming make it suitable for battery-operated devices and applications requiring basic computational tasks.
Package
The ATmega8L-8PU is a microcontroller in a 28-pin Dual In-line Package (DIP). This package type is suitable for through-hole mounting, making it ideal for prototyping and development purposes on breadboards or perfboards.
