AM486DX5-133W16BHC AMD (ADVANCED MICRO DEVICES), AM486DX5-133W16BHC Datasheet - Page 48

• Manufacturer Part Number: AM486DX5-133W16BHC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM486DX5-133W16BHC

• Family Name: Am486
• Device Core Size: 32b
• Frequency (max): 133MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.45V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3.3V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 208
• Package Type: SQFP
• Lead Free Status / Rohs Status: Not Compliant

48
SMIACT
SMIACT
WB/WT
Note:
For proper operation of systems configured in Write-back mode when caching during SMM is allowed, force WB/WT Low to force
all caching to be write-through during SMM.
SMIACT
SMI
SMI
SMI
KEN
Figure 35. SMM Timing in Systems Using Non-Overlaid Memory Space
Figure 34. SMM Timing in Systems Using Non-Overlaid Memory Space
Figure 33. SMM Timing in Systems Using Non-Overlaid Memory Space
and Write-Back Mode with Caching Disabled During SMM
and Write-Through Mode with Caching Enabled During SMM
and Write-Back Mode with Caching Enabled During SMM
State
State
Save
Save
State
Save
Enhanced Am486DX Microprocessor Family
P R E L I M I N A R Y
SMI Handler
SMI Handler
SMI Handler
State Resume
State Resume
State Resume
RSM
RSM
RSM
Normal
Normal
Normal
Cycle
Cycle
Cycle