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ATMEGA128L-8MU
+BOMIC MCU 8BIT 128KB FLASH 64QFN
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ManufacturerAtmel
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Mfr. Part #ATMEGA128L-8MU
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Datasheet ATMEGA128L-8MU DataSheet
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Package VQFN-64
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In Stock3185
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Specifications
| Attribute | Value |
| Package / Case | Bulk |
| Series | AVR® ATmega |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 8MHz |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 53 |
| Program Memory Size | 128KB (64K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 4K 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 |
Overview
Description
The microcontroller includes 53 programmable I/O lines, enabling it to interface with various peripherals and sensors. It supports numerous communication protocols, including USART, SPI, and I2C, making it compatible with many external devices. Additional features include a JTAG interface for on-chip debugging, enhancing development efficiency.
The ATMEGA128L-8MU is often used in embedded systems, robotics, and consumer electronics due to its robust feature set and reliability. Its surface-mount package offers compactness, ideal for space-constrained designs. Furthermore, the microcontroller supports a wide operating voltage range of 2.7V to 5.5V, broadening its application spectrum in different power environments.
Equivalent
1. Microchip ATMEGA128A: Similar performance and features but with slight variations in electrical characteristics.
2. STMicroelectronics STM32F103C8: Offers a comparable 32-bit ARM Cortex-M3 core with additional functionality.
3. NXP LPC1114: A low-power, 32-bit ARM Cortex-M0 microcontroller with similar features.
4. Silicon Labs EFM32GG: Provides similar capabilities with an energy-efficient ARM Cortex-M3 core.
Consider pin compatibility and specific feature requirements when selecting replacements.
Features
Additional features include a JTAG interface for on-chip debugging, a power-on reset, programmable brown-out detection, and an internal calibrated RC oscillator. It supports various communication protocols like USART, SPI, and TWI (I2C). The ATMEGA128L-8MU is encapsulated in a 64-pin QFN/MLF package, making it suitable for compact design applications. Its rich feature set and versatility make it ideal for a wide range of applications, including embedded systems, industrial control, and consumer electronics.
Pinout
1. CPU: 8-bit AVR RISC architecture with 133 powerful instructions.
2. Memory: 128KB of In-System Programmable Flash, 4KB of SRAM, and 4KB of EEPROM.
3. Timers/Counters: Two 8-bit and two 16-bit timers/counters, each with separate prescalers and compare modes.
4. I/O Ports: 53 general-purpose I/O lines.
5. Communication Interfaces: Includes an SPI (Serial Peripheral Interface), TWI (Two-Wire Interface) compatible with I2C, and USARTs for serial communication.
6. ADC: 8-channel, 10-bit analog-to-digital converter.
7. PWM: Six PWM channels for various control applications.
8. Interrupts: 35 interrupt vectors with external and pin change interrupts.
9. Power: Supports various power-saving modes to optimize energy consumption.
This microcontroller is suitable for applications requiring high performance and low power consumption, such as embedded systems, consumer electronics, and industrial control systems.