| Parameters | |
|---|---|
| Series | AVR® ATmega |
| Package / Case | 64-TQFP |
| Mfr | Atmel |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 64-TQFP (14x14) |
| Speed | 8MHz |
| Oscillator Type | Internal |
| Core Processor | AVR |
| RAM Size | 4K x 8 |
| Number of I/O | 53 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| EEPROM Size | 4K x 8 |
| Program Memory Type | FLASH |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART |
| Core Size | 8-Bit |
| Program Memory Size | 128KB (64K x 16) |
| Data Converters | A/D 8x10b |
| Package | Bulk |
| Product Status | Active |
| Base Product Number | ATMEGA128 |
| Standard Package | 1 |
| ECCN | EAR99 |
| HTSUS | 8542.31.0001 |
ATMEGA128L-8AU 8-bit Microcontroller IC 8MHz 128KB FLASH
The ATMEGA128L-8AU is a high-performance, low-power 8-bit microcontroller from the Atmel AVR family, engineered specifically to handle complex embedded processing tasks with remarkable efficiency. Based on the advanced RISC architecture, this device executes most instructions in a single clock cycle, achieving a throughput of close to 8 MIPS at 8 MHz, thereby balancing high processing power with low power consumption. The chip integrates 128 KB of in-system self-programmable Flash, 4 KB of EEPROM, and 4 KB of internal SRAM, providing substantial memory resources for code and data storage, making it a versatile solution for sophisticated control systems.
The ATMEGA128L-8AU boasts a comprehensive set of peripherals and features designed to facilitate flexible system design and robust real-time control. It includes 32 general-purpose working registers that are directly connected to the Arithmetic Logic Unit (ALU), allowing for single-cycle execution of register operations and significantly optimizing code density. The microcontroller is equipped with two 8-bit and two 16-bit timer/counters with separate prescalers and compare modes, a real-time counter, and eight single-ended channels in the 10-bit A/D converter. Additionally, the mcu features a JTAG interface (compliant with IEEE 1149.1) for on-chip debugging, boundary scan testing, and programming, which significantly speeds up the development cycle. It also incorporates an internal calibrated RC oscillator, external interrupt sources, and a watchdog timer with its own internal oscillator to ensure system stability and security.
Alternative Industrial Controller MCUs
1. Microchip ATmega128A-AU: A functional and pin-compatible evolution of the original core, offering reduced power consumption and improved manufacturing process technology.
2. Texas Instruments MSP430F5529IRGZT: A low-power 16-bit microcontroller with extensive integrated peripherals and USB connectivity, serving as a high-efficiency alternative for battery-operated designs.
3. STMicroelectronics STM32F103CBT6: A powerful 32-bit ARM Cortex-M3 based microcontroller that offers superior processing power and performance as a high-end upgrade path.