Overview
The ATMEGA128L-8AUR is a high-performance, low-power 8-bit microcontroller from Microchip Technology, part of the Atmel AVR family. This microcontroller is renowned for its advanced RISC architecture, which includes 32 general-purpose working registers and a rich instruction set, allowing for efficient code execution and high throughput. The ATMEGA128L-8AUR is particularly suited for applications requiring robust memory, advanced peripherals, and low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | 8-bit AVR |
| Flash Memory | 128 Kbytes (In-System Self-programmable) |
| EEPROM | 4 Kbytes |
| Internal SRAM | 4 Kbytes |
| Operating Voltage | 2.7 - 5.5V |
| Speed Grade | 0 - 8MHz |
| Number of I/O Lines | 53 |
| Package Type | 64-lead TQFP, 64-pad QFN/MLF |
| Temperature Range | -40°C to +85°C |
| ADC Resolution | 10-bit (8 single-ended channels, 7 differential channels) |
| Timer/Counters | Two 8-bit, Two 16-bit with compare and capture modes |
| PWM Channels | 6 (programmable resolution from 2 to 16 bits) |
| Serial Interfaces | Dual USARTs, SPI, Two-wire Serial Interface |
Key Features
- Advanced RISC architecture with 32 general-purpose working registers and 133 powerful instructions, most of which execute in a single clock cycle.
- High endurance non-volatile memory: 128Kbytes of In-System Self-programmable Flash, 4Kbytes EEPROM, and 4Kbytes SRAM.
- True Read-While-Write operation and optional Boot Code Section with Independent Lock Bits.
- QTouch library support for capacitive touch buttons, sliders, and wheels.
- JTAG (IEEE std. 1149.1 compliant) interface for boundary-scan and on-chip debug support.
- Peripheral features include two 8-bit and two 16-bit Timer/Counters, 8-channel 10-bit ADC, programmable Watchdog Timer, and SPI serial port.
- Six software selectable power-saving modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby.
- Internal calibrated RC oscillator and external and internal interrupt sources.
Applications
The ATMEGA128L-8AUR is versatile and can be used in a wide range of applications, including:
- Industrial automation and control systems.
- Embedded systems requiring high memory and peripheral capabilities.
- Consumer electronics such as remote controls, appliances, and gaming devices.
- Automotive systems, including dashboard controls and sensor interfaces.
- Medical devices and diagnostic equipment.
- Wireless and wired communication systems.
Q & A
- What is the primary architecture of the ATMEGA128L-8AUR microcontroller?
The ATMEGA128L-8AUR features an advanced RISC (Reduced Instruction Set Computer) architecture with 32 general-purpose working registers and a rich instruction set, allowing for efficient code execution and high throughput. - How much flash memory does the ATMEGA128L-8AUR have?
The ATMEGA128L-8AUR has 128 Kbytes of In-System Self-programmable Flash memory. - What are the operating voltage and temperature ranges for the ATMEGA128L-8AUR?
The operating voltage range is 2.7 - 5.5V, and the temperature range is -40°C to +85°C. - What types of serial interfaces are available on the ATMEGA128L-8AUR?
The microcontroller includes dual USARTs, SPI, and a Two-wire Serial Interface. - Does the ATMEGA128L-8AUR support capacitive touch interfaces?
Yes, it supports capacitive touch buttons, sliders, and wheels through the QTouch library. - What is the resolution of the ADC on the ATMEGA128L-8AUR?
The ADC has a 10-bit resolution with 8 single-ended channels and 7 differential channels. - How many PWM channels does the ATMEGA128L-8AUR have?
The microcontroller has 6 PWM channels with programmable resolution from 2 to 16 bits. - What is the purpose of the JTAG interface on the ATMEGA128L-8AUR?
The JTAG interface is used for boundary-scan and on-chip debug support, and it is IEEE std. 1149.1 compliant. - What power-saving modes are available on the ATMEGA128L-8AUR?
The microcontroller has six software selectable power-saving modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby. - Can the ATMEGA128L-8AUR be used in industrial automation?
Yes, it is suitable for industrial automation and control systems due to its robust memory and peripheral capabilities.
