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GXM Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # GXM
Description  Geode??GXm Processor Integrated x86 Solution with MMX Support
Download  244 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

GXM Datasheet(HTML) 6 Page - National Semiconductor (TI)

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6
Revision 3.1
Table of Contents (Continued)
6.0
Power Management .. .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... . 174
6.1
APM SUPPORT . .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 174
6.2
CPU SUSPEND COMMANDREGISTERS ... ... ... .... ... ... ... .... ... ... ... . 174
6.3
SUSPEND MODULATION ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 174
6.4
3-VOLTSUSPEND MODE ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 174
6.5
SUSPEND MODE AND BUS CYCLES ... ... ... ... .... ... ... ... .... ... ... ... . 175
6.5.1
InitiatingSuspendwithSUSP# .. ... ... ... .... ... ... ... .... ... ... ... . 175
6.5.2
InitiatingSuspendwithHALT . ... ... ... ... .... ... ... ... .... ... ... ... . 176
6.5.3
Responding toaPCI Access During Suspend Mode .. ... ... .... ... ... ... . 177
6.5.4
Stopping the Input Clock .... ... ... ... ... .... ... ... ... .... ... ... ... . 178
6.6
GXM PROCESSOR SERIAL BUS ... ... ... ... ... .... ... ... ... .... ... ... ... . 179
6.6.1
Serial PacketTransmission . . ... ... ... ... .... ... ... ... .... ... ... ... . 179
6.7
POWER MANAGEMENT REGISTERS ... ... ... ... .... ... ... ... .... ... ... ... . 179
7.0
ElectricalSpecifications. . . ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... . 182
7.1
PARTNUMBERS .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 182
7.2
ELECTRICAL CONNECTIONS .. .... ... ... ... ... .... ... ... ... .... ... ... ... . 182
7.2.1
Power/Ground Connections and Decoupling . .... ... ... ... .... ... ... ... . 182
7.2.2
Power Sequencing the Core and I/O Voltages .... ... ... ... .... ... ... ... . 182
7.2.3
NC-Designated Pins . ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 182
7.2.4
Pull-Up andPull-Down Resistors . ... ... ... .... ... ... ... .... ... ... ... . 182
7.2.5
UnusedInput Pins .. ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 182
7.3
ABSOLUTEMAXIMUM RATINGS .... ... ... ... ... .... ... ... ... .... ... ... ... . 183
7.4
OPERATING CONDITIONS . . ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 184
7.5
DCCHARACTERISTICS . ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 185
7.6
ACCHARACTERISTICS . ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 186
8.0
Package Specifications . . . ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... . 195
8.1
THERMAL CHARACTERISTICS . .... ... ... ... ... .... ... ... ... .... ... ... ... . 195
8.1.1
Heatsink Considerations .... ... ... ... ... .... ... ... ... .... ... ... ... . 196
8.2
MECHANICALPACKAGE OUTLINES . ... ... ... ... .... ... ... ... .... ... ... ... . 198
9.0
Instruction Set. . . . ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... . 201
9.1
GENERAL INSTRUCTION SET FORMAT . ... ... ... .... ... ... ... .... ... ... ... . 202
9.1.1
Prefix (Optional)
... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 203
9.1.2
Opcode . .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 203
9.1.3
mod andr/m Byte (Memory Addressing) . ... .... ... ... ... .... ... ... ... . 205
9.1.4
reg Field .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 206
9.1.5
s-i-b Byte (Scale, Indexing, Base) ... ... ... .... ... ... ... .... ... ... ... . 207
9.2
CPUID INSTRUCTION ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 208
9.2.1
Standard CPUID Levels . .... ... ... ... ... .... ... ... ... .... ... ... ... . 208
9.2.2
Extended CPUIDLevels . .... ... ... ... ... .... ... ... ... .... ... ... ... . 210
9.3
PROCESSOR CORE INSTRUCTIONSET ... ... ... .... ... ... ... .... ... ... ... . 212
9.4
FPU INSTRUCTIONSET . ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 224
9.5
MMX INSTRUCTION SET ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... . 229
9.6
NATIONAL SEMICONDUCTOR EXTENDED MMX INSTRUCTION SET . . . . . . . . . . . . . 234


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