AMD-K6-2ESLASH233AMZ datasheet(149/332 Pages) AMD

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Chapter 5

Signal Descriptions

131

22529B/0—January 2000

AMD-K6™-2E Processor Data Sheet

Preliminary Information

Table 19. Output Pin Float Conditions

Name

Floated At:1

Name

Floated At:1

A[4:3]2,3

HLDA, AHOLD, BOFF#

HLDA

Always Driven

ADS#2

HLDA, BOFF#

LOCK#2

HLDA, BOFF#

ADSC#2

HLDA, BOFF#

M/IO#2

HLDA, BOFF#

APCHK#

Always Driven

PCD2

HLDA, BOFF#

BE[7:0]#2

HLDA, BOFF#

PCHK#

Always Driven

BREQ

Always Driven

PWT2

HLDA, BOFF#

CACHE#2

HLDA, BOFF#

SCYC2

HLDA, BOFF#

D/C#2

HLDA, BOFF#

SMIACT#

Always Driven

FERR#

Always Driven

VCC2DET

Always Driven

HIT#

Always Driven

VCC2H/L#

Always Driven

HITM#

Always Driven

W/R#2

HLDA, BOFF#

Notes:

1. All outputs except VCC2DET, VCC2H/L#, and TDO float during three-state test mode.

2. Floated off the clock edge that BOFF# is sampled asserted and off the clock edge that HLDA is asserted.

3. Floated off the clock edge that AHOLD is sampled asserted.

Table 20. Input/Output Pin Float Conditions

Name

Floated At:1

Notes:

1. All outputs except VCC2DET and TDO float during three-state test mode.

A[31:5]2,3

2. Floated off the clock edge that BOFF# is sampled asserted and off the clock edge that

HLDA is asserted.

3. Floated off the clock edge that AHOLD is sampled asserted.

HLDA, AHOLD, BOFF#

AP2,3

HLDA, AHOLD, BOFF#

D[63:0]2

HLDA, BOFF#

DP[7:0]2

HLDA, BOFF#

Table 21. Test Pins

Name

Type

Comment

TCK

Clock

TDI

Input

Sampled on the rising edge of TCK

TDO

Output

Driven on the falling edge of TCK

TMS

Input

Sampled on the rising edge of TCK

TRST#

Input

Asynchronous (Independent of TCK)

AMD-K6-2E/233AMZ Datasheet(PDF) 149 Page - Advanced Micro Devices

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