Xtensa Instruction Set Architecture (ISA) Reference Manual

Xtensa Instruction Set Architecture (ISA) Reference Manual

The Xtensa Instruction Set Architecture (ISA) is a new post-RISC ISA targeted at embedded, communication, and consumer products. The ISA is designed to provide:

• A high degree of extensibility

• Industry-leading code density

• Optimized low-power implementation

• High performance

• Low-cost implementation

This manual describes the Xtensa ISA - both the core architecture and the architectural options. This document is almost 700 pages in PDF format.