AMD AMD5K86 - Page 9

AMD~
AMD5J<86 Processor Technical Reference Manual
18524BjO-Mar1996
6.4 Clock Control ....................................... 6-33
6.4.1 State Transitions ................................... 6-34
6.4.2
Halt State ........... _. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
6.4.3
Stop Grant State ................................... 6-37
6.4.4
Stop Grant Inquire State ............................ 6-37
6.4.5
Stop Clock State ................................... 6-38
6.4.6 Clock
Control Compatibility with Pentium Processor .... 6-38
6.5 Power and Ground Design ............................. 6-38
6.6 Clock
Design ........................................ 6·40
6.6.1 Noise Reduction ................................... 6-43
6.7 Thermal Design ..................................... 6-44
6.8
Design Support and Peripheral Products ................ 6·45
7 Test and Debug
7-1
7.1 Hardware Configuration Register (HWCR) ............... 7·3
7.2 Built·In Self Test (BIST) ............................... 7-5
7.2.1 Normal BIST ........................................ 7-5
7.2.2 Test Access Port (TAP) BIST .......................... 7-6
7.3 Output.Float Test ..................................... 7·7
7.4 Cache and TLB Testing ................................ 7·7
7.4.1 Array Access Register (AAR) ......................... 7-8
7.4.2 Array Pointer ....................................... 7-9
7.4.3 Array Test Data .................................... 7-10
7.5 Debug Registers ..................................... 7-16
7.5.1 Standard Debug Functions ........................... 7-16
7.5.2 IJO Breakpoint Extension ............................ 7-16
7.5.3
Debug Compatibility with Pentium Processor ........... 7-17
7.6 Branch Tracing ...................................... 7·17
7.7 Functional·Redundancy Checking ...................... 7·18
7.8 Boundary·Scan Test Access Port (TAP) .................. 7-19
7.8.1 Device Identification Register ........................ 7-21
7.8.2
Public Instructions ................................. 7-22
7.9 Hardware Debug Tool (HDT) .......................... 7·23
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