Overview
The ATMEGA128L-8AU, produced by Microchip Technology, is an 8-bit Atmel AVR microcontroller known for its high performance and low power consumption. This microcontroller is part of the AVR series and is particularly suited for applications requiring medium power and an affordable solution. It features the AVR RISC architecture, which combines a rich instruction set with 32 general purpose working registers, allowing for efficient code execution and high throughput.
Key Specifications
| Specification | Value |
|---|---|
| Flash Program Memory | 128Kbytes (In-System Self-programmable) |
| EEPROM | 4Kbytes |
| Internal SRAM | 4Kbytes |
| Operating Voltage | 2.7 - 5.5V |
| Frequency Grade | 0 - 8MHz |
| Number of I/O Lines | 53 |
| ADC | 8-channel, 10-bit |
| PWM Channels | 8 (including 6 with programmable resolution from 2 to 16 bits) |
| Timer/Counters | Two 8-bit, Two Expanded 16-bit |
| USARTs | Dual Programmable Serial |
| JTAG Interface | IEEE std. 1149.1 Compliant with Boundary Scan and On-chip Debugging |
| Package Type | 64-lead TQFP |
| Operating Temperature | -40°C to +85°C |
Key Features
- Advanced RISC Architecture with 32 general purpose working registers and most single clock cycle execution.
- High Endurance Non-volatile Memory segments with 10,000 Flash and 100,000 EEPROM write/erase cycles.
- Data retention of 20 years at 85°C and 100 years at 25°C.
- Optional Boot Code Section with Independent Lock Bits and In-System Programming by On-chip Boot Program.
- QTouch library support for capacitive touch buttons, sliders, and wheels.
- Real Time Counter with Separate Oscillator.
- Programmable Watchdog Timer with On-chip Oscillator.
- On-chip Analog Comparator and Internal Calibrated RC Oscillator.
- Software Selectable Clock Frequency and Six Sleep Modes.
Applications
The ATMEGA128L-8AU is versatile and can be used in a variety of applications, including:
- Embedded Systems: Due to its high performance and low power consumption, it is ideal for embedded systems that require efficient processing.
- Industrial Automation: It can be used in industrial automation for control and monitoring tasks.
- Consumer Electronics: Suitable for consumer electronics such as remote controls, appliances, and other devices requiring medium power and affordability.
- Automotive Systems: Can be used in automotive systems for various control and monitoring functions.
- IoT Devices: Its low power consumption makes it a good choice for IoT devices that require efficient energy use.
Q & A
- What is the flash program memory capacity of the ATMEGA128L-8AU?
The ATMEGA128L-8AU has 128Kbytes of In-System Self-programmable Flash program memory. - What is the operating voltage range of the ATMEGA128L-8AU?
The operating voltage range is 2.7 - 5.5V. - How many I/O lines does the ATMEGA128L-8AU have?
The ATMEGA128L-8AU has 53 programmable I/O lines. - What type of ADC does the ATMEGA128L-8AU feature?
The ATMEGA128L-8AU features an 8-channel, 10-bit ADC. - Does the ATMEGA128L-8AU support JTAG interface?
Yes, it supports an IEEE std. 1149.1 Compliant JTAG interface with Boundary Scan and On-chip Debugging. - What are the key features of the AVR RISC architecture in the ATMEGA128L-8AU?
The AVR RISC architecture includes 32 general purpose working registers, most single clock cycle execution, and high throughput. - What is the maximum frequency grade of the ATMEGA128L-8AU?
The maximum frequency grade is 8MHz. - Does the ATMEGA128L-8AU have any power-saving modes?
Yes, it has six software selectable power-saving modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby. - What type of package does the ATMEGA128L-8AU come in?
The ATMEGA128L-8AU comes in a 64-lead TQFP package. - What is the operating temperature range of the ATMEGA128L-8AU?
The operating temperature range is -40°C to +85°C.
