AMD-K6-2E/400AFR AMD [Advanced Micro Devices], AMD-K6-2E/400AFR Datasheet - Page 149

• Manufacturer Part Number: AMD-K6-2E/400AFR
• Manufacturer: AMD [Advanced Micro Devices]

22529B/0—January 2000
Table 19. Output Pin Float Conditions
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
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
3. Floated off the clock edge that AHOLD is sampled asserted.
Table 21. Test Pins
Chapter 5
Name
A[4:3]
ADS#
ADSC#
APCHK#
BE[7:0]#
BREQ
CACHE#
D/C#
FERR#
HIT#
HITM#
Name
A[31:5]
AP
D[63:0]
DP[7:0]
Name
TCK
TDI
TDO
TMS
TRST#
2,3
HLDA is asserted.
2
2
2,3
2
2,3
2
2
2
2
Type
Clock
Input
Output
Input
Input
Floated At:
HLDA, AHOLD, BOFF#
HLDA, BOFF#
HLDA, BOFF#
Always Driven
HLDA, BOFF#
Always Driven
HLDA, BOFF#
HLDA, BOFF#
Always Driven
Always Driven
Always Driven
1
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)
Floated At:
HLDA, AHOLD, BOFF#
HLDA, AHOLD, BOFF#
HLDA, BOFF#
HLDA, BOFF#
1
Signal Descriptions
Name
HLDA
LOCK#
M/IO#
PCD
PCHK#
PWT
SCYC
SMIACT#
VCC2DET
VCC2H/L#
W/R#
2
2
2
2
2
2
HLDA, BOFF#
HLDA, BOFF#
HLDA, BOFF#
HLDA, BOFF#
HLDA, BOFF#
Always Driven
Always Driven
HLDA, BOFF#
Floated At:
Always Driven
Always Driven
Always Driven
AMD-K6™-2E Processor Data Sheet
1
131