Product Overview
The high-performance Atmel picoPower 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1024B EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/co...

• High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family
• Advanced RISC Architecture
• High Endurance Non-volatile Memory Segments
• Atmel® QTouch® library support
• Peripheral Features
• Special Microcontroller Features

Specification

• Controller Family/Series:    ATmega
• CPU Speed:    20MHz
• Program Memory Size:    32KB
• RAM Memory Size:    2KB
• No. of Pins:    32Pins
• MCU Case Style:    TQFP
• No. of I/O's:    23I/O's
• Embedded Interface Type:    I2C, SPI, UART
• Supply Voltage Min:    1.8V
• Supply Voltage Max:    5.5V
• Packaging:    Each

Datasheets:

ATmega48/88/168/328 (A,P,PA) Summary ATmega(48,88,168,328)PA Datasheet