PIC18F4550

77 instructions

 From 18 to 80-pin

 to 64K bytes of program (up to 2 Mbytes in ROMless)

 Hardware 8x8 Multiplier

 to 3968 bytes of RAM and EEPROM 1Kbytes

 40MHz maximum clock frequency. Up to 10 MIPS.Stack  

 32 levels.

 Multiple interrupt sources

 advanced communications peripherals (CAN, and USB)

https://sites.google.com/site/franbc0100/39632b.pdf?attredirects=0&d=1

https://sites.google.com/site/franbc0100/Micro18F4450encis.rar?attredirects=0&d=1