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ATMEGA8L-8AUR
+BOMIC MCU 8BIT 8KB FLASH 32TQFP
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA8L-8AUR
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In Stock5402
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Specifications
| Attribute | Value |
| Series | AVR® ATmega |
| Part Status | Active |
| DigiKey Programmable | Verified |
| 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 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| Base Product Number | ATMEGA8 |
Overview
Description
Key features include 8 KB of in-system programmable Flash memory, 512 bytes of EEPROM, and 1 KB of SRAM. It supports in-circuit serial programming and debugging through SPI, making it versatile for embedded applications. The microcontroller has 23 programmable I/O lines and offers integrated peripherals such as timers, a 10-bit ADC with multiplexed channels, USART, SPI, and TWI (I2C compatible) interfaces.
The ATMEGA8L-8AUR is designed for applications requiring balanced performance and power efficiency, with operating voltages between 2.7V and 5.5V. It also includes power-saving modes, ensuring reduced power consumption in battery-operated devices. Its robust feature set makes it suitable for diverse applications, including consumer electronics, automotive systems, and industrial controls.
Equivalent
1. ATMEGA8A-PU
2. ATMEGA88PA-AU
3. ATMEGA168A-AU
4. ATMEGA328P-AU
These alternatives belong to the same family or offer similar features and pin compatibility, although it’s essential to check specific requirements like memory and peripherals before substituting.
Features
1. Core and Performance:
- AVR enhanced RISC architecture.
- 8-bit CPU with up to 16 MIPS throughput at 16 MHz.
2. Memory:
- 8KB Flash memory for program storage.
- 512 bytes of EEPROM.
- 1KB of SRAM.
3. Operating Voltage:
- Operates at 2.7V to 5.5V.
4. I/O and Peripherals:
- 23 general-purpose I/O lines.
- 3 flexible Timer/Counters with compare modes.
- 10-bit ADC with 6 channels.
- USART, SPI, and I2C (TWI) interfaces for communication.
5. Power Consumption:
- Low power consumption modes, ideal for battery-operated devices.
6. Package and Temperature Range:
- Available in TQFP and other package options.
- Operational temperature range from -40°C to +85°C.
7. Additional Features:
- Watchdog timer with an internal oscillator.
- On-chip analog comparator.
- In-System Programmable (ISP) via SPI port.
This microcontroller is suitable for a variety of applications, including embedded systems, due to its balance of performance, power efficiency, and I/O capabilities.
Pinout
Key pin functions include:
1. Power Supply Pins:
- VCC: Digital supply voltage.
- GND: Ground reference.
2. Port Pins:
- PORTB (PB0-PB7), PORTC (PC0-PC6), and PORTD (PD0-PD7) serve as general-purpose I/O pins.
3. Oscillator Pins:
- XTAL1 and XTAL2 are used for connecting an external clock source.
4. Reset Pin:
- RESET: Active low input to reset the microcontroller.
5. Analog-To-Digital Converter (ADC) Pins:
- ADC0-ADC7: Eight channels for analog input signals.
6. Communication Interfaces:
- USART: PD0 (RXD) and PD1 (TXD) for serial communication.
- SPI: PB2 (SS), PB3 (MOSI), PB4 (MISO), and PB5 (SCK).
7. Timer/Counters:
- PB1 (OC0), PB2 (OC1A), PB3 (OC1B).
8. Interrupts:
- External interrupts on INT0 (PD2) and INT1 (PD3).
Each pin can have multiple functions depending on the configuration and the specific application requirements.