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K6-2E+/400ACR
General Info
Designer	AMD
Manufacturer	AMD
Model Number	K6-2E+/400ACR
Part Number	AMD-K6-2E+/400ACR
Market	Embedded
Introduction	September 25, 2000 (launched)
Shop	Amazon
General Specs
Family	K6-2+
Series	K6-2+ Embedded
Frequency	400 MHz
Bus type	FSB
Bus speed	100 MHz
Bus rate	100 MT/s
Clock multiplier	4.0
CPUID	5D4
Microarchitecture
Microarchitecture	K6-III
Platform	Super 7
Core Family	5
Core Model	13
Core Stepping	4, 5, 6, 7
Process	0.18 µm
Technology	CMOS
Word Size	32 bit
Cores	1
Threads	1
Max Memory	4 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
Power dissipation	11.40 W
Vcore	2.0 V ± 0.1 V
VI/O	3.3675 V ± 7%
TDP	16.50 W
Tcase	0 °C – 70 °C
Packaging
Package	CPGA-321
Package Type	Ceramic Pin Grid Array
Dimension	49.5 mm × 49.5 mm
Pitch	2.54 mm
Contacts	321
Socket	Super Socket 7

K6-2E+/400ACR was a 32-bit x86 embedded microprocessor designed by AMD and introduced in late 2000. Based on the K6-III microarchitecture manufactured on a 0.18 µm process, this model operated at 400 MHz with a TDP of 16.5 W.

Cache

Main article: K6-III § Cache

[Edit/Modify Cache Info]

Cache Organization Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory. The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC. Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies. Note: All units are in kibibytes and mebibytes.

L1$ 64 KiB 65,536 B 0.0625 MiB L1I$ 32 KiB 32,768 B 0.0313 MiB 1x32 KiB 2-way set associative   L1D$ 32 KiB 32,768 B 0.0313 MiB 1x32 KiB 2-way set associative write-back L2$ 128 KiB 0.125 MiB 131,072 B 1.220703e-4 GiB     1x128 KiB 4-way set associative

Graphics

This processor has no integrated graphics processing unit.

Features

[Edit/Modify Supported Features]

	Supported x86 Extensions & Processor Features
	MMX MMX Extension 3DNow! 3DNow! Extension E3DNow! Extended 3DNow! Extension x86-16 16-bit x86 x86-32 32-bit x86 Real Real Mode Protected Protected Mode SMM System Management Mode FPU Integrated x87 FPU PowerNow! PowerNow

• Auto-power down state
• Stop clock state

References

• "AMD-K6-2E+ Embedded Processor Data Sheet", AMD Publ. #23542, Rev. A, September 2000
• "Embedded AMD-K6™ Processors BIOS Design Guide Application Note", AMD Publ. #23913, Rev. A, November 2000