The ATMEGA88A-MMHR is a microcontroller unit (MCU) produced by Microchip Technology. This MCU belongs to the ATmega family of 8-bit AVR microcontrollers, which are widely used in various embedded systems and applications.
Description:
The ATMEGA88A-MMHR is a high-performance, low-power microcontroller based on the AVR enhanced RISC architecture. It features 8 KB of in-system programmable flash memory for the program storage, 1 KB of EEPROM, and 1 KB of SRAM. The MCU operates at a frequency of 20 MHz and is available in a 28-pin QFN (Quad Flat No-leads) package.
Features:
- 8 MHz to 20 MHz CPU clock frequency
- 8 KB of In-System Programmable Flash memory
- 1 KB of EEPROM
- 1 KB of SRAM
- 23 general-purpose I/O lines
- 32 general-purpose working registers
- Nested interrupt controller with 16 priority levels
- On-chip debug system with JTAG interface
- Three 16-bit timer/counters with input capture and compare modes
- Eight-channel 10-bit ADC with up to 11 single-ended or 6 differential inputs
- Serial communication interfaces: one USART and one SPI
- Internal and external interrupts
- On-chip oscillator with calibration and PLL options
- Sleep, power-down, and power-save modes for low-power operation
- Brown-out detection and reset
- 5 V tolerant I/O pins
Applications:
The ATMEGA88A-MMHR is suitable for a wide range of applications due to its versatility and low-power consumption. Some common applications include:
- Industrial control and automation systems
- Home automation and smart appliances
- Medical devices and equipment
- Data acquisition and signal processing systems
- Battery-powered devices and energy-harvesting applications
- Portable instruments and gadgets
- Embedded systems in consumer electronics
- Robotics and motor control applications
- Security systems and access control devices
- Telecommunication equipment and modems
The ATMEGA88A-MMHR's combination of features, such as in-system programmability, low-power operation, and a wide range of communication interfaces, make it an ideal choice for developers looking to create compact, efficient, and reliable embedded systems.