ATmega48PA Microcontroller IC

About ATmega48PA Microcontroller IC

The ATmega48PA is a high-performance, low-power 8-bit AVR microcontroller IC from Microchip Technology, designed for embedded control and electronic applications requiring reliable processing, programmable memory, digital I/O and analog interfacing. It is based on the AVR enhanced RISC architecture and can achieve up to 20 MIPS at 20 MHz, providing a good balance between processing performance and power consumption.

The device integrates 4KB of in-system programmable Flash memory, 256 bytes of EEPROM and 512 bytes of SRAM, making it suitable for compact embedded systems where program storage and data memory are required. It provides 23 programmable general-purpose I/O lines for connecting sensors, switches, displays, drivers and other external circuits.

For communication and control, the ATmega48PA includes USART, SPI and a 2-wire serial interface compatible with I2C, along with timers, PWM channels, interrupts, watchdog functionality and an analog comparator. Its ADC provides 10-bit resolution, with the number of available ADC channels depending on the package.

The ATmega48PA operates from 1.8V to 5.5V, making it suitable for a wide range of low-voltage electronic circuits. It also incorporates power-saving modes, brown-out detection, power-on reset and an internal calibrated oscillator for flexible embedded-system design.

Key Features

• Genuine 8-bit AVR microcontroller architecture
• 4KB Flash program memory
• 512B SRAM
• 256B EEPROM
• 23 programmable I/O lines
• Up to 20MHz operating frequency
• 10-bit ADC
• PWM support
• UART/USART, SPI and I2C/TWI interfaces
• Internal oscillator
• Watchdog timer
• Brown-out detection
• Low-power operating modes
• Multiple package options
• Suitable for industrial and embedded electronics
  
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