The ATMEGA48A-MMH is a microcontroller unit (MCU) manufactured by Microchip Technology. This MCU belongs to the ATmega family, which is known for its high performance and versatility in various applications.
Description:
The ATMEGA48A-MMH is an 8-bit AVR microcontroller with a high level of integration. It features 4K bytes of In-System Programmable Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM. The MCU operates at a frequency of up to 20 MHz and is available in a 6-pin SOT-23 package.
Features:
- 8-bit RISC architecture with 16 general-purpose working registers.
- 4K bytes of In-System Programmable Flash memory with read-while-write capability.
- 512 bytes of SRAM and 256 bytes of EEPROM.
- 23 general-purpose I/O lines.
- 32 general-purpose working registers.
- Nested interrupt controller with 16 levels of interrupt priority.
- On-chip debug support with JTAG interface.
- Internal and external interrupts with a maximum of 16 sources.
- Three 8-bit timers/counters with input capture and compare modes.
- Serial communication interfaces: one USART with multi-purpose I/O pins and one SPI interface.
- Eight-channel, 10-bit Analog-to-Digital Converter (ADC).
- On-chip oscillator calibration for precise internal clock generation.
- Brownout detection and reset.
- Sleep mode to reduce power consumption during periods of inactivity.
Applications:
The ATMEGA48A-MMH is suitable for a wide range of applications due to its small size, low power consumption, and versatile features. Some common applications include:
- Industrial control and automation systems.
- Home automation and smart appliances.
- Battery-powered devices, such as remote controls and portable electronics.
- Medical devices and equipment.
- Embedded systems in automotive applications.
- Data acquisition and signal processing systems.
- Consumer electronics, such as toys and gaming devices.
- Security systems, including access control and surveillance.
- Low-power wireless communication devices.
- Educational and hobbyist projects.
The ATMEGA48A-MMH is a reliable and efficient choice for developers looking for a compact, low-power microcontroller with a wide range of features and applications.