Chapter 1
AMD-K6-2E+ Embedded Processor
1
23542A/0—September 2000
AMD-K6-2E+ Embedded Processor Data Sheet
Preliminary Information
1
AMD-K6-2E+ Embedded Processor
The following are key features of the AMD-K6-2E processor:
s
Member of the AMD-K6E family of 32-bit embedded processors
x
Brings the power, performance, and value of the AMD-K6 family to the
embedded market
x
Enables improved time-to-market by leveraging existing hardware and software
infrastructure and field-proven development tools
x
Offers a wide software- and platform-compatible growth path with product
longevity to help preserve development investments
s
Functionally-compatible embedded version of the AMD-K6-2+ processor with
internal 128-Kbyte L2 cache
x
Provides higher Super7 platform performance with reduced total system cost
x
Microsoft Windows compatible processor
x
x86 binary software compatible
x
Supports real-time operating systems such as pSOS, QNX, RTXC, and VxWorks
s
Advanced 6-issue RISC86 superscalar microarchitecture
x
Ten parallel specialized execution units
x
Multiple sophisticated x86-to-RISC86 instruction decoders
x
Advanced two-level branch prediction
x
Speculative and out-of-order execution
x
Register renaming and data forwarding
x
Up to six RISC86 instructions per clock
s
Innovative cache design
x
192-Kbyte total internal cache
Internal split, two-way set associative, 64-Kbyte L1 Cache
- 32-Kbyte instruction cache with additional 20-Kbytes of predecode cache
- 32-Kbyte writeback dual-ported data cache
- MESI protocol support
Internal full-speed, four-way set associative, 128-Kbyte, L2 Cache
x
Multiport internal cache design enabling simultaneous 64-bit reads/writes of
L1 and L2 caches
s
Super7 platform is Socket 7-compatible
x
Leverages high-speed 100-MHz processor bus
x
2x Accelerated Graphic Port (AGP) support