The Microchip PIC12F519 device is low cost, high performance, 8 bit, fully static, Flash based CMOS microcontroller. They employ a RISC architecture with only 33 single word or single cycle instructions. All instructions are single cycle except for program branches, which take two cycles. The PIC12F519 device delivers performance an order of magnitude higher than their competitors in the same price category.

64 Bytes Flash Data Memory non volatile data storage
Precision 4 or 8 MHz internal oscillator
Baseline Core with 33 Instructions 2 Stack Levels
All single cycle Instructions except for program branches which are two cycles
12 bit wide instructions
8 bit wide data path
25 mA source or sink current I/O
Low power 100nA sleep current
One 8-bit timer TMR0
Watchdog timer
In Circuit Serial Programming capability
In Circuit debugging support
Programmable code protection