17-09-2009, 09:59 PM
RAPTOR MICROPROCESSOR
Abstract:- The Raptor-16 is a 16-bit embedded microprocessor that boasts the following features
* Full CISC Architecture
* Extremely Powerful Instruction Set
* 12 Base Instructions with 44,961 Combinations
* 4 spare Instruction slots for Signed & Unsigned Divide & Multiply
* Variable Length Instructions (1, 2 or 3 words)
* Special Quick Instructions for Extremely Compact Code
* 12 Addressing Modes
* 16 Registers
* 4 Condition Codes
* 16 Branch Conditions
* Directly Accessible Stack Pointer and Program Counter
* 5 User Ports for External Communication
* 1 Control Register
* 7 Priority Interrupts with Masks
* Supports any Embedded RAM up to 65535 Words
* Low Power Implementation
* Very Small Gate Count ~ 500 Flops & 900 LUTâ„¢s (Xilinx)
* Average Processing Power ~ 8 MIPâ„¢s (50MHz crystal)
* Performance to Size ratio of 50 Instructions per LUT
* Written entirely in Synthesizable VHDL (RTL)
