UG80486DX4WB75S データシートの表示（PDF） - Intel

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UG80486DX4WB75S

EMBEDDED WRITE-BACK ENHANCED IntelDX4™ PROCESSOR

Intel 

Embedded Write-Back Enhanced IntelDX4™ Processor

Table 2. Pinout Differences for 208-Lead SQFP Package

Pin #

3

11

Embedded

Intel486™ SX

Processor

VCC1

INC2

Embedded

IntelDX2™

Processor

VCC

INC

Embedded Write-Back

Enhanced IntelDX4™

Processor

VCC5

CLKMUL

63

INC

INC

HITM#

64

INC

INC

WB/WT#

66

INC

FERR#

FERR#

70

INC

INC

CACHE#

71

INC

INC

INV

72

INC

IGNNE#

IGNNE#

NOTES:

1. This pin location is for the VCC5 pin on the embedded IntelDX4 processor. For compatibility with 3.3V processors that

have 5V-tolerant input buffers (i.e., embedded IntelDX4 processors), this pin should be connected to a VCC trace, not to

the VCC plane.

2. INC. Internal No Connect. These pins are not connected to any internal pad. However, signals are defined for the loca-

tion of the INC pins in the embedded IntelDX4 processor. One system design can accommodate any one of these pro-

cessors provided the purpose of each INC pin is understood before it is used.

5

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