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AMD-K6?-2E Embedded Processor Features

The AMD-K6-2E processor with 3DNow!? technology is a functionally compatible embedded version of the sixth generation, Microsoft? Windows? compatible AMD-K6-2 processor. The AMD-K6-2E embedded processor delivers the same high performance and incorporates the same leading-edge features, including the innovative and efficient RISC86? microarchitecture, a large 64-Kbyte level-one cache (32-Kbyte dual-ported data cache, 32-Kbyte instruction cache with predecode data), and a powerful IEEE 754-compatible and 854-compatible floating-point execution unit.

AMD-K6?-2E Processor

The following are key features of the AMD-K6?-2E processor:

■ Advanced 6-Issue RISC86? Superscalar Microarchitecture

? Ten parallel specialized execution units

? Multiple sophisticated x86-to-RISC86 instruction decoders

? Advanced two-level branch prediction

? Speculative execution

? Out-of-order execution

? Register renaming and data forwarding

? Up to six RISC86 instructions per clock

■ Large on-chip split 64-Kbyte level-one (L1) cache

? 32-Kbyte instruction cache with additional 20 Kbytes of predecode cache

? 32-Kbyte writeback dual-ported data cache

? Two-way set associative

? MESI protocol support

■ 3DNow!? technology

? Additional instructions to improve 3D graphics and multimedia performance

? Separate multiplier and ALU for superscalar instruction execution

■ 321-pin ceramic pin grid array (CPGA) package

■ Socket 7 platform compatible, 66-MHz frontside bus

■ Super7? platform compatible, 100-MHz frontside bus supported on the 300-MHz, 350-MHz, and 400-MHz versions of the AMD-K6-2E processor

■ High-performance industry-standard MMX? instructions

? Dual integer ALU for superscalar execution

■ High-performance IEEE 754-compatible and 854-compatible floating-point unit

■ Industry-standard system management mode (SMM)

■ IEEE 1149.1 boundary scan

■ x86 binary software compatibility

■ Low-power 0.25-micron process technology

? Split-plane power with support for full 3.3 V I/O

? Available with a low-power 1.9-V core voltage and extended temperature rating or with a standard-power 2.2-V core voltage and standard temperature rating