PIC24EP512GP202-I/SP 16b 70MHz Microcontroller, 512KB FLASH, 48KB RAM, DIP-28
PIC24EP512GP202-E/SP 16b Microcontroller, 512KB FLASH, 48KB RAM, 21 I/Os, 3.6V
16-bit Microcontroller, 512KB FLASH, 48KB RAM, 21 I/Os, 6 ADC Channels, 3.6V, DIP