AMD AMD-K6-2/400 User Guide - Page 163
Table 20., Output Pin Float Conditions, Test Pin Types, Signal Descriptions
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23542A/0-September 2000 Preliminary Information AMD-K6™-2E+ Embedded Processor Data Sheet Table 20. 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# HLDA 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 Always Driven Name LOCK#2 M/IO#2 PCD2 PCHK# PWT2 SCYC2 SMIACT# VCC2DET VCC2H/L# VID[4:0]4 W/R#2 Floated At:1 HLDA, BOFF# HLDA, BOFF# HLDA, BOFF# Always Driven HLDA, BOFF# HLDA, BOFF# Always Driven Always Driven Always Driven Always Driven HLDA, BOFF# Notes: 1. All outputs except VCC2DET, VCC2H/L#, and TDO float during the 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. 4. Supported on the low-power versions only. Table 21. 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 the 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 22. Test Pin Types 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 141