Configuration Summary

Table 1. Configuration Summary
  ATmega48PB ATmega88PB ATmega168PB
Pin count 32 32 32
Flash (KB) 4 8 16
SRAM (Bytes) 512 1024 1024
EEPROM (Bytes) 256 512 512
Max I/O pins 27
SPI 1
TWI (I2C) 1
USART 1
ADC 10-bit 15ksps
ADC channels 8
AC 1
8-bit Timer/Counters 2
16-bit Timer/Counters 1
PWM channels 6
Operating voltage 1.8V - 5.5V
Max operating frequency 20MHz
Temperature range -40°C to +105°C