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MOV DL, imm8, imm16/32

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Preliminary Information AMD-K6™-2E+ Embedded Processor Data Sheet 23542A/0-September 2000 Table 12. Integer Instructions (continued) Instruction Mnemonic MOV reg8, mreg8 MOV reg8, mem8 MOV reg16/32, mreg16/32 MOV reg16/32, mem16/32 MOV mreg16, segment reg MOV mem16, segment reg MOV segment reg, mreg16 MOV segment reg, mem16 MOV AL, mem8 MOV EAX, mem16/32 MOV mem8, AL MOV mem16/32, EAX MOV AL, imm8 MOV CL, imm8 MOV DL, imm8 MOV BL, imm8 MOV AH, imm8 MOV CH, imm8 MOV DH, imm8 MOV BH, imm8 MOV EAX, imm16/32 MOV ECX, imm16/32 MOV EDX, imm16/32 MOV EBX, imm16/32 MOV ESP, imm16/32 MOV EBP, imm16/32 MOV ESI, imm16/32 MOV EDI, imm16/32 MOV mreg8, imm8 MOV mem8, imm8 MOV mreg16/32, imm16/32 MOV mem16/32, imm16/32 MOV reg32, CR0 MOV reg32, CR2 MOV reg32, CR3 First Second Byte Byte 8Ah 8Ah 8Bh 8Bh 8Ch 8Ch 8Eh 8Eh A0h A1h A2h A3h B0h B1h B2h B3h B4h B5h B6h B7h B8h B9h BAh BBh BCh BDh BEh BFh C6h C6h C7h C7h 0Fh 20h 0Fh 20h 0Fh 20h ModR/M Byte 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-000-xxx mm-000-xxx 11-000-xxx mm-000-xxx 11-000-xxx 11-010-xxx 11-011-xxx Decode Type short short short short long vector vector vector short short short short short short short short short short short short short short short short short short short short short long short long vector vector vector RISC86 Operations alux load alu load load load load store store limm limm limm limm limm limm limm limm limm limm limm limm limm limm limm limm limm store limm store 72 Software Environment Chapter 3

Section	Page
IF YOU HAVE QUESTIONS, WE\	3
Contents	5
List of Figures	9
List of Tables	13
Revision History	17
About this Data Sheet	19
1 AMDK6™2E+ Embedded Processor	23
1.1 AMDK6™2E+ Embedded Processor Features	25
1.2 Process Technology	29
1.3 Super7™ Platform	30
2 Internal Architecture	33
2.1 Microarchitecture Overview	33
2.2 Cache, Instruction Prefetch, and Predecode Bits	38
2.3 Instruction Fetch and Decode	39
2.4 Centralized Scheduler	43
2.5 Execution Units	44
2.6 BranchPrediction Logic	47
3 Software Environment	49
3.1 Registers	49
3.2 ModelSpecific Registers (MSR)	66
3.3 Memory Management Registers	76
3.4 Paging	78
3.5 Descriptors and Gates	81
3.6 Exceptions and Interrupts	84
3.7 Instructions Supported by the AMDK6™2E+ Processor	85
4 Logic Symbol Diagram	113
5 Signal Descriptions	115
5.1 Signal Terminology	115
5.2 A20M# (Address Bit 20 Mask)	116
5.3 A[31:3] (Address Bus)	117
5.4 ADS# (Address Strobe)	118
5.5 ADSC# (Address Strobe Copy)	118
5.6 AHOLD (Address Hold)	119
5.7 AP (Address Parity)	120
5.8 APCHK# (Address Parity Check)	121
5.9 BE[7:0]# (Byte Enables)	122
5.10 BF[2:0] (Bus Frequency)	123
5.11 BOFF# (Backoff)	124
5.12 BRDY# (Burst Ready)	125
5.13 BRDYC# (Burst Ready Copy)	126
5.14 BREQ (Bus Request)	126
5.15 CACHE# (Cacheable Access)	127
5.16 CLK (Clock)	127
5.17 D/C# (Data/Code)	128
5.18 D[63:0] (Data Bus)	129
5.19 DP[7:0] (Data Parity)	130
5.20 EADS# (External Address Strobe)	131
5.21 EWBE# (External Write Buffer Empty)	132
5.22 FERR# (FloatingPoint Error)	133
5.23 FLUSH# (Cache Flush)	134
5.24 HIT# (Inquire Cycle Hit)	135
5.25 HITM# (Inquire Cycle Hit To Modified Line)	135
5.26 HLDA (Hold Acknowledge)	136
5.27 HOLD (Bus Hold Request)	137
5.28 IGNNE# (Ignore Numeric Exception)	138
5.29 INIT (Initialization)	139
5.30 INTR (Maskable Interrupt)	140
5.31 INV (Invalidation Request)	140
5.32 KEN# (Cache Enable)	141
5.33 LOCK# (Bus Lock)	142
5.34 M/IO# (Memory or I/O)	143
5.35 NA# (Next Address)	144
5.36 NMI (NonMaskable Interrupt)	145
5.37 PCD (Page Cache Disable)	146
5.38 PCHK# (Parity Check)	147
5.39 PWT (Page Writethrough)	148
5.40 RESET (Reset)	149
5.41 RSVD (Reserved)	150
5.42 SCYC (Split Cycle)	151
5.43 SMI# (System Management Interrupt)	152
5.44 SMIACT# (System Management Interrupt Active)	153
5.45 STPCLK# (Stop Clock)	154
5.46 TCK (Test Clock)	155
5.47 TDI (Test Data Input)	155
5.48 TDO (Test Data Output)	155
5.49 TMS (Test Mode Select)	156
5.50 TRST# (Test Reset)	156
5.51 VCC2DET (VCC2 Detect)	157
5.52 VCC2H/L# (VCC2 High/Low)	158
5.53 VID[4:0] (Voltage Identification)	159
5.54 W/R# (Write/Read)	160
5.55 WB/WT# (Writeback or Writethrough)	161
5.56 Pin Tables by Type	162
5.57 Bus Cycle Definitions	164
6 AMD PowerNow!™ Technology	165
6.1 Enhanced Power Management Features	165
6.2 Dynamic Core Frequency and Core Voltage Control	172
7 Bus Cycles	175
7.1 Timing Diagrams	175
7.2 Bus States	177
7.3 Memory Reads and Writes	180
7.4 I/O Read and Write	188
7.5 Inquire and Bus Arbitration Cycles	190
7.6 Special Bus Cycles	212
8 Poweron Configuration and Initialization	221
8.1 Signals Sampled During the Falling Transition of RESET	221
8.2 RESET Requirements	222
8.3 State of Processor After RESET	222
8.4 State of Processor After INIT	225
9 Cache Organization	227
9.1 MESI States in the L1 Data Cache and L2 Cache	229
9.2 Predecode Bits	230
9.3 Cache Operation	230
9.4 Cache Disabling and Flushing	233
9.5 L2 Cache Testing	235
9.6 CacheLine Fills	235
9.7 CacheLine Replacements	236
9.8 Write Allocate	237
9.9 Prefetching	242
9.10 Cache States	243
9.11 Cache Coherency	244
9.12 Writethrough and Writeback Coherency States	249
9.13 A20M# Masking of Cache Accesses	249
10 Write Merge Buffer	251
10.1 EWBE# Control	251
10.2 Memory Type Range Registers	253
10.3 Memory-Range Restrictions	255
10.4 Examples	257
11 FloatingPoint and Multimedia Execution Units	259
11.1 FloatingPoint Execution Unit	259
11.2 Multimedia and 3DNow!™ Execution Units	261
11.3 FloatingPoint and MMX™/3DNow!™ Instruction Compatibility	262
12 System Management Mode (SMM)	263
12.1 SMM Operating Mode and Default Register Values	263
12.2 SMM StateSave Area	265
12.3 SMM Revision Identifier	267
12.4 SMM Base Address	268
12.5 Halt Restart Slot	268
12.6 I/O Trap Doubleword	269
12.7 I/O Trap Restart Slot	270
12.8 Exceptions, Interrupts, and Debug in SMM	272
13 Test and Debug	273
13.1 BuiltIn SelfTest (BIST)	273
13.2 ThreeState Test Mode	274
13.3 BoundaryScan Test Access Port (TAP)	275
13.4 Cache Inhibit	285
13.5 L2 Cache and Tag Array Testing	286
13.6 Debug	290
14 Clock Control	297
14.1 Clock Control States	297
14.2 Halt State	300
14.3 Stop Grant State	300
14.4 Stop Grant Inquire State	302
14.5 EPM Stop Grant State	303
14.6 Stop Clock State	305
15 Electrical Data	307
15.1 Operating Ranges	308
15.2 Absolute Ratings	309
15.3 DC Characteristics	309
15.4 Power Dissipation	311
15.5 Power and Grounding	313
16 Signal Switching Characteristics	317
16.1 CLK Switching Characteristics	318
16.2 Clock Switching Characteristics for 100MHz Bus Operation	318
16.3 Clock Switching Characteristics for 66MHz Bus Operation	319
16.4 Valid Delay, Float, Setup, and Hold Timings	320
16.5 Output Delay Timings for 100MHz Bus Operation	320
16.6 Input Setup and Hold Timings for 100MHz Bus Operation	322
16.7 Output Delay Timings for 66MHz Bus Operation	324
16.8 Input Setup and Hold Timings for 66MHz Bus Operation	326
16.9 RESET and Test Signal Timing	328
16.10 Timing Diagrams	331
17 Thermal Design	335
17.1 Package Thermal Specifications	335
17.2 Measuring Case Temperature	339
17.3 Layout and Airflow Considerations	339
18 Pin Designations	343
18.1 Pins Designations for CPGA Package	344
18.2 Pins Designations for OBGA Package	348
19 Package Specifications	353
19.1 321Pin Staggered CPGA Package Specification	353
19.2 349Ball OBGA Package Specification	354
20 Ordering Information	355

Match case Limit results 1 per page

Software Environment

Chapter 3

AMD-K6™-2E+ Embedded Processor Data Sheet

23542A/0—September 2000

Preliminary Information

MOV reg8, mreg8

8Ah

11-xxx-xxx

short

alux

MOV reg8, mem8

8Ah

mm-xxx-xxx

short

load

MOV reg16/32, mreg16/32

8Bh

11-xxx-xxx

short

alu

MOV reg16/32, mem16/32

8Bh

mm-xxx-xxx

short

load

MOV mreg16, segment reg

8Ch

11-xxx-xxx

long

load

MOV mem16, segment reg

8Ch

mm-xxx-xxx

vector

MOV segment reg, mreg16

8Eh

11-xxx-xxx

vector

MOV segment reg, mem16

8Eh

mm-xxx-xxx

vector

MOV AL, mem8

A0h

short

load

MOV EAX, mem16/32

A1h

short

load

MOV mem8, AL

A2h

short

store

MOV mem16/32, EAX

A3h

short

store

MOV AL, imm8

B0h

short

limm

MOV CL, imm8

B1h

short

limm

MOV DL, imm8

B2h

short

limm

MOV BL, imm8

B3h

short

limm

MOV AH, imm8

B4h

short

limm

MOV CH, imm8

B5h

short

limm

MOV DH, imm8

B6h

short

limm

MOV BH, imm8

B7h

short

limm

MOV EAX, imm16/32

B8h

short

limm

MOV ECX, imm16/32

B9h

short

limm

MOV EDX, imm16/32

BAh

short

limm

MOV EBX, imm16/32

BBh

short

limm

MOV ESP, imm16/32

BCh

short

limm

MOV EBP, imm16/32

BDh

short

limm

MOV ESI, imm16/32

BEh

short

limm

MOV EDI, imm16/32

BFh

short

limm

MOV mreg8, imm8

C6h

11-000-xxx

short

limm

MOV mem8, imm8

C6h

mm-000-xxx

long

store

MOV mreg16/32, imm16/32

C7h

11-000-xxx

short

limm

MOV mem16/32, imm16/32

C7h

mm-000-xxx

long

store

MOV reg32, CR0

0Fh

20h

11-000-xxx

vector

MOV reg32, CR2

0Fh

20h

11-010-xxx

vector

MOV reg32, CR3

0Fh

20h

11-011-xxx

vector

Table 12.

Integer Instructions (continued)

Instruction Mnemonic

First

Byte

Second

Byte

ModR/M

Byte

Decode

Type

RISC86

Operations