40 sinking/sourcing digital I/O
Up to 512K Flash for program and up to 512K SRAM for data
16 digital outputs which can sink/source 200 mA
11 A/D and 4 D/A with 12-bit resolution
Up to 4 serial ports: two 3-wire (or one 5-wire) RS-232 and 1 RS-485
Product datasheet