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| AMD-K6-2E Datasheet, PDF (149/332 Pages) Advanced Micro Devices – AMD-K6™-2E Embedded Processor | |||
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22529B/0âJanuary 2000
Preliminary Information
AMD-K6â¢-2E Processor Data Sheet
Table 19. Output Pin Float Conditions
Name
A[4:3]2,3
ADS#2
ADSC#2
APCHK#
BE[7:0]#2
BREQ
CACHE#2
D/C#2
FERR#
HIT#
HITM#
Floated At:1
HLDA, AHOLD, BOFF#
HLDA, BOFF#
HLDA, BOFF#
Always Driven
HLDA, BOFF#
Always Driven
HLDA, BOFF#
HLDA, BOFF#
Always Driven
Always Driven
Always Driven
Name
HLDA
LOCK#2
M/IO#2
PCD2
PCHK#
PWT2
SCYC2
SMIACT#
VCC2DET
VCC2H/L#
W/R#2
Floated At:1
Always Driven
HLDA, BOFF#
HLDA, BOFF#
HLDA, BOFF#
Always Driven
HLDA, BOFF#
HLDA, BOFF#
Always Driven
Always Driven
Always Driven
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
A[31:5]2,3
AP2,3
D[63:0]2
DP[7:0]2
Floated At:1
HLDA, AHOLD, BOFF#
HLDA, AHOLD, BOFF#
HLDA, BOFF#
HLDA, BOFF#
Notes:
1. All outputs except VCC2DET 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 21. Test Pins
Name
TCK
TDI
TDO
TMS
TRST#
Type
Clock
Input
Output
Input
Input
Comment
Sampled on the rising edge of TCK
Driven on the falling edge of TCK
Sampled on the rising edge of TCK
Asynchronous (Independent of TCK)
Chapter 5
Signal Descriptions
131
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