ATMEGA48-20PI

IC MCU 8BIT 4KB FLASH 28DIP
Family    Embedded - Microcontrollers
Series    AVR® ATmega
Packaging      Tube 
Core Processor    AVR
Core Size    8-Bit
Speed    20MHz
Connectivity    I²C, SPI, UART/USART
Peripherals    Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O    23
Program Memory Size    4KB (2K x 16)
Program Memory Type    FLASH
EEPROM Size    256 x 8
RAM Size    512 x 8
Voltage - Supply (Vcc/Vdd)    2.7 V ~ 5.5 V
Data Converters    A/D 6x10b
Oscillator Type    Internal
Package / 28-DIP (0.300", 7.62mm)

  data sheet