TI486 Microprocessor - Al Kossow's Bitsavers

More documents

Recommendations

Info

Recommended Operating Conditions 5.3 Recommended Operating Conditions Table 5-4 and Table 5-5 presents the recommended operating conditions for the TI486SLC/E, TI486SLC/E-V, TI486DLC/E, and TI486DLC/E-V processors. Table 5-4. TI486 SLCIE Recommended Operating Conditions PARAMETER TI486SLC/E TI486SLC/E-V MIN MAX MIN MAX Vcc Supply voltage With respect to V SS 4.75 5.25 3 3.6 V VIH High-level input voltage 2 VCC+0.3 2 VCC+0.3 V VIL Low-level input voltage -0.3 0.8 -0.3 0.6 V VILC CLK2 low-level input voltage -0.3 0.8 -0.3 0.5 V VIHC CLK2 high-level input voltage 3.7 VCC+0.3 VCC-O·5 VCC+0.3 V IOH High-level output current VOH=VOH(min) -1 "-1 rnA IOL Low-level output current VOL =VOL(max) 5 3 rnA 11K Input clamp current VINVCC 10 10 rnA 10K Output clamp current VOUTVCC 25 25 rnA tc Case temperature Power applied 0 100 0 85 °C Table 5-5. TI486DLCIE Recommended Operating Conditions PARAMETER TI486DLC/E TI486DLC/E-V MIN MAX MIN MAX VCC Supply voltage With respect to V SS 4.75 5.25 3 3.6 V VIH High-level input voltage 2 VCC+0.3 2 VCC+0.3 V VIL Low-level input voltage -0.3 0.8 -0.3 0.6 V VILC CLK2 low-level input voltage -0.3 0.8 -0.3 0.5 V VIHC CLK2 high-level input voltage 3.7 VCC+0.3 VCC-o·5 VCC+0.3 V IOH High-level output current VOH=VOH(min) -1 -1 rnA IOL Low-level output current VOL =VOL(max) 5 3 rnA 11K Input clamp current VINVCC 10 10 rnA 10K Output clamp current VOUTVCC 25 25 rnA tc Case temperature Power applied 0 85 0 85 °C UNIT UNIT 5-7
DC Electrical Characteristics 5.4 DC Electrical Characteristics Table 5-6 and Table 5-7 presents the dc electrical characteristics for the TI486SLC/E, TI486SLC/E-V, TI486DLC/E, and TI486DLC/E-V processors. Table 5-6. TI486SLCIE DC Electrical Characteristics at Recommended Operating Conditions (Typical values are at nominal Vee (5 Vor 3.3 V) and TA = 2SOC) PARAMETER TEST TI486SLC/E TI486SLC/E-V CONDITIONS MIN TYP MAX MIN TYP MAX VOL Low-level IOL=3 rnA 0.35 output voltage IOL=5 mA 0.45 VOH High-level 10H =-1 mA 2.4 VCC-O.4 output voltage 10H =-0.2 rnA VCC-o·5 VCC-o.4 UNIT V V II IIH IlL ICC Input current O
Page 1 and 2:
.TEXAS INSTRUMENTS TI486 Microproce
Page 4 and 5:
TI486 Microprocessor Reference Guid
Page 6 and 7:
Preface Read This First About This
Page 8 and 9:
About This Manual Appendix D Orderi
Page 10 and 11:
Contents 1 Product Overview .......
Page 12 and 13:
Contents 5.5 AC Characteristics . .
Page 14 and 15:
1-1 TI486SLC/E Functional Block Dia
Page 16 and 17:
Figures 4-27 SUSP Initiated Suspend
Page 18 and 19:
Tables 5-3 Absolute Maximum Ratings
Page 20 and 21:
Product Overview 1-1
Page 22 and 23:
Chapter 1 Product Overview Features
Page 24 and 25:
1.2 Differences Between the TI486SL
Page 26 and 27:
Tl486SLCIE Overview Figure 1-2. TI4
Page 28 and 29:
Tl486DLCIE Overview 1.4 TI486DLC/E
Page 30 and 31:
TI486DLCIE Overview The TI486DLC/E
Page 32 and 33:
Power Management / System Managemen
Page 34 and 35:
Programming Interface 2-1
Page 36 and 37:
Chapter 2 In this chapter, the inte
Page 38 and 39:
Processor Initialization Table 2-1.
Page 40 and 41:
Instruction Set Overview 2.2 Instru
Page 42 and 43:
Register Set 2.3 Register Set There
Page 44 and 45:
Register Set Pointer and Index Regi
Page 46 and 47:
Register Set 2.3.1.2 Segment Regist
Page 48 and 49:
Register Set 2.3.1.3 Instruction Po
Page 50 and 51:
Register Set 2.3.2 System Register
Page 52 and 53:
Register Set 2.3.2.1 Control Regist
Page 54 and 55:
Register Set 2.3.2.2 Descriptor Tab
Page 56 and 57:
Register Set Table 2-6. Segment Des
Page 58 and 59:
Register Set During task switching,
Page 60 and 61:
Register Set The CCRO register (Tab
Page 62 and 63:
Register Set Table 2-9. TI486DLCIE
Page 64 and 65:
Register Set Table 2-12. ARR 1-ARR4
Page 66 and 67:
Register Set 2.3.2.6 Test Registers
Page 68 and 69:
Register Set Table 2-14. TR6 and TR
Page 70 and 71:
Address Spaces 2.4 Address Spaces T
Page 72 and 73:
Address Spaces 2.4.2 Memory Address
Page 74 and 75:
Address Spaces Figure 2-21. Real Mo
Page 76 and 77:
Address Spaces Figure 2-24. Paging
Page 78 and 79:
Interrupts and Exceptions 2.5 Inter
Page 80 and 81:
Interrupts and Exceptions 2.5.3 Int
Page 82 and 83:
Interrupts and Exceptions Table 2-2
Page 84 and 85:
System Management Mode 2.6 System M
Page 86 and 87:
System Management Mode Figure 2-29.
Page 88 and 89:
System Management Mode The new SMM
Page 90 and 91:
System Management Mode During SMM o
Page 92 and 93:
Protection The Current Privilege Le
Page 94 and 95:
Virtual 8086 Mode 2.9 Virtual 8086
Page 96 and 97:
TI486SLC/E Bus Interface 3-1
Page 98 and 99:
Chapter 3 TI486SLC/E Bus Interface
Page 100 and 101:
Overview Table 3-1. TI486SLCIE Sign
Page 102 and 103:
Overview Table 3-2. Terminal Functi
Page 104 and 105:
Page 106 and 107:
Page 108 and 109:
Overview 3.1.1 Bus Cycle Definition
Page 110 and 111:
Overview Table 3-5 shows the state
Page 112 and 113:
Functional Timing Figure 3-3. Bus A
Page 114 and 115:
Functional Timing 3.2.2.1 Bus Cycle
Page 116 and 117:
Functional Timing Non-Pipelined Wai
Page 118 and 119:
Functional Timing Because of the de
Page 120 and 121:
Functional Timing Pipelined Wait St
Page 122 and 123:
Functional Timing Initiating and Ma
Page 124 and 125:
Functional Timing Figure 3-12. Comp
Page 126 and 127:
Functional Timing Figure 3-13. Inte
Page 128 and 129:
Functional Timing Shutdown Indicati
Page 130 and 131:
Functional Timing Figure 3-17. Pipe
Page 132 and 133:
Functional Timing As shown in Figur
Page 134 and 135:
Functional Timing Figure 3-19. Requ
Page 136 and 137:
Functional Timing Figure 3-21. Requ
Page 138 and 139:
Functional Timing Figure 3-22. 8MI
Page 140 and 141:
Functional Timing HALT Initiated Su
Page 142 and 143:
Functional Timing 3.2.12 Float Figu
Page 144 and 145:
TI486DLC/E Bus Interface 4-1
Page 146 and 147:
Chapter 4 TI486DLC/E Bus Interface
Page 148 and 149:
Overview Table 4-1. TI486DLCIE SIgn
Page 150 and 151:
Page 152 and 153:
Page 154 and 155: Overview Table 4-2. Terminal Functi
Page 156 and 157: Overview Table 4-6. Signal States D
Page 158 and 159: Overview 4.1.2 Power Management 4.1
Page 160 and 161: Functional Timing 4.2 Functional Ti
Page 162 and 163: Functional Timing The TI486DLC/E da
Page 164 and 165: Functional Timing Non-Pipelined Rea
Page 166 and 167: Functional Timing Initiating and Ma
Page 168 and 169: Functional Timing Figure 4-8. Faste
Page 170 and 171: Functional Timing Figure 4-9. Vario
Page 172 and 173: Functional Timing Once a pipelined
Page 174 and 175: Functional Timing 4.2.3 Bus Cycles
Page 176 and 177: Functional Timing Pipelined Cycles
Page 178 and 179: Functional Timing LOCK is activated
Page 180 and 181: Functional Timing 4.2.6 Halt and Sh
Page 182 and 183: Functional Timing Figure 4-17. Pipe
Page 184 and 185: Functional Timing Figure 4-19. Non-
Page 186 and 187: Functional Timing The TI486DLC/E sa
Page 188 and 189: Functional Timing 4.2.9 Hold Acknow
Page 190 and 191: Functional Timing Figure 4-23. Requ
Page 192 and 193: Functional Timing 4.2.10 Coprocesso
Page 194 and 195: Functional Timing 4.2.12 Power Mana
Page 196 and 197: Functional Timing Stopping the Inpu
Page 198 and 199: Electrical Specifications 5-1
Page 200 and 201: Chapter 5 Electrical Specifications
Page 202 and 203: ElectricalConnecnons It is recommen
Page 206 and 207: DC Electrical Characteristics Table
Page 208 and 209: AC Characteristics Figure 5-2. TI48
Page 210 and 211: AC Characteristics Table 5-9. AC Ch
Page 212 and 213: AC Characteristics Table 5-11. AC C
Page 214 and 215: ____ AC Characteristics 5.5.3 RESET
Page 220 and 221: Mechanical Specifications 6-1
Page 222 and 223: Chapter 6 Mechanical Specifications
Page 224 and 225: Pin Assignments Table 6-1. TI486SLC
Page 226 and 227: Pin Assignments Figure 6-3. TI486DL
Page 228 and 229: Package Dimensions 6.2 Package Dime
Page 230 and 231: Thermal Characteristics 6.3 Thermal
Page 232 and 233: Instruction Set 7-1
Page 234 and 235: Chapter 7 Instruction Set This sect
Page 236 and 237: Instruction Fields 7.2 Instruction
Page 238 and 239: Instruction Fields 7.2.5 reg Field
Page 240 and 241: Instruction Fields Table 7-7. mod r
Page 242 and 243: Instruction Fields 7.2.11 sreg3 Fie
Page 244 and 245: Clock Count Summary 7.4 Clock Count
Page 246 and 247: --- --;.J -L 01 Table 7-17. Instruc
Page 248 and 249: I . ~ -.....J Table 7-17. Instructi
Page 250 and 251: Table 7-17. Instructions, Opcodes,
Page 252 and 253: Table 7-17. Instructions, Opcodes,
Page 254 and 255:
-....J N (J.) Table 7-17. Instructi
Page 256 and 257:
I I i I i Table 7-17. Instructions,
Page 258 and 259:
...... ...... '" Table 7-17. Instru
Page 260 and 261:
-....J N co Table 7-17. Instruction
Page 262 and 263:
"-.I ~ Table 7-17. Instructions, Op
Page 264 and 265:
Table 7-17. Instructions, Opcodes,
Page 266 and 267:
U Appendix A TI486 SMM Pro rammer's
Page 268 and 269:
SMM Implementation A.2 SMM Implemen
Page 270 and 271:
Figure A-1. SMM Memory Space Header
Page 272 and 273:
SMM Implementation 6) NMI is the on
Page 274 and 275:
Instruction Summary A.4 Instruction
Page 276 and 277:
Instruction Summary A.4.3 Resume No
Page 278 and 279:
Instruction Summary A.4.6 Save LDTR
Page 280 and 281:
8MI Handler Example A.5 SMI Handler
Page 282 and 283:
8MI Handler Example execute_halt: C
Page 284 and 285:
8MI Handler Example COMMENT A The T
Page 286 and 287:
8MI Handler Example arrl arr2 arr3
Page 288 and 289:
.MODEL SMALL . STACK .386P INCLUDE
Page 290 and 291:
Testing/Debugging SMM Code sgdt COM
Page 292 and 293:
Testing/Debugging SMM Code i*******
Page 294 and 295:
TI486 Power Management Features A.7
Page 296 and 297:
Detection of Tl486 CPU A.9 Detectio
Page 298 and 299:
Detection of SMM Capable Version A.
Page 300 and 301:
i**********************************
Page 302 and 303:
A.11 SMM Feature Comparison SMM Fea
Page 304 and 305:
SMM Instruction Macros COMMENT A Co
Page 306 and 307:
SMM Instruction Macros SMM Instruct
Page 308 and 309:
A.14 Format of Data Used by SVDC/RS
Page 310 and 311:
Altering SMM Code Limits A.1S Alter
Page 312 and 313:
SMM Errata A.16 SMM Errata The foll
Page 314 and 315:
Appendix B TI486 Cache Flush B.1 Ge
Page 316 and 317:
Appendix C TI486 BIOS Modification
Page 318 and 319:
Introduction Some example assembler
Page 320 and 321:
Appendix D Ordering Information 0.1
Page 322:
~TEXAS INSTRUMENTS Printed in U.S.A
show all

TI486 Microprocessor - Al Kossow's Bitsavers

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?