AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 9

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

22529B/0—January 2000
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AMD-K6™-2E Processor Block Diagram.........................9
Cache Sector Organization .............................................12
The Instruction Buffer ....................................................14
AMD-K6™-2E Processor Decode Logic .........................15
AMD-K6™-2E Processor Scheduler...............................18
Register X and Y Functional Units ...............................20
EAX Register with 16-Bit and 8-Bit
Name Components ..........................................................24
Integer Data Registers....................................................25
Segment Register ............................................................26
Segment Usage ................................................................27
Floating-Point Register...................................................28
FPU Status Word Register .............................................28
FPU Control Word Register ...........................................29
FPU Tag Word Register..................................................29
Packed Decimal Data Register ......................................30
Precision Real Data Registers .......................................30
MMX™/3DNow!™ Registers ..........................................31
MMX™ Data Types .........................................................32
3DNow!™ Data Types .....................................................33
EFLAGS Register ............................................................34
Control Register 4 (CR4) ................................................35
Control Register 3 (CR3) ................................................35
Control Register 2 (CR2) ................................................35
Control Register 1 (CR1) ................................................36
Control Register 0 (CR0) ................................................36
Debug Register DR7 .......................................................37
Debug Register DR6 .......................................................38
Debug Registers DR5 and DR4......................................38
Debug Registers DR3, DR2, DR1, and DR0..................39
Machine-Check Address Register (MCAR) ..................41
Machine-Check Type Register (MCTR) ........................41
Test Register 12 (TR12)..................................................42
Time Stamp Counter (TSC) ............................................42
Extended Feature Enable Register (EFER).................43
SYSCALL/SYSRET Target Address
Register (STAR) ..............................................................44
Write Handling Control Register (WHCR)...................44
UC/WC Cacheability Control Register (UWCCR) .......45
Processor State Observability Register (PSOR) ..........45
Page Flush/Invalidate Register (PFIR).........................46
Memory Management Registers ....................................47
Task State Segment (TSS) ..............................................48
4-Kbyte Paging Mechanism ............................................49
4-Mbyte Paging Mechanism ...........................................50
AMD-K6™-2E Processor Data Sheet
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