Motorola MPC860 PowerQUICC User Manual page 34

Paragraph
Number
38.1 Overview ............................................................................................................38-1
38.2 TAP Controller ...................................................................................................38-2
38.3 Boundary Scan Register .....................................................................................38-3
38.4 Instruction Register.............................................................................................38-6
38.4.1 EXTEST .........................................................................................................38-6
38.4.2 SAMPLE/PRELOAD.....................................................................................38-6
38.4.3 BYPASS .........................................................................................................38-7
38.4.4 CLAMP ..........................................................................................................38-7
38.4.5 HIÐZ ...............................................................................................................38-7
38.5 TAP Usage Considerations.................................................................................38-7
38.6 Recommended TAP Configuration ....................................................................38-8
38.7 Motorola MPC860 BSDL Description ...............................................................38-8
A.1 Byte Ordering Overview .....................................................................................A-1
A.2 MPC860 Byte-Ordering Mechanisms ................................................................A-1
A.3 BE Mode..............................................................................................................A-2
A.4 TLE Mode............................................................................................................A-2
A.4.1 TLE Mode System Examples..........................................................................A-4
A.5 PPC-LE Mode......................................................................................................A-6
A.5.1 I/O Addressing in PPC-LE Mode....................................................................A-8
A.6 Setting the Endian Mode Of Operation ...............................................................A-8
B.1 Serial Clocking (Peak Rate Limitation)...............................................................B-1
B.2 Bus Utilization.....................................................................................................B-2
B.3 CPM Bandwidth (Average Rate Limitation).......................................................B-2
B.3.1 Performance of Serial Channels ......................................................................B-3
B.3.2 IDMA Considerations .....................................................................................B-4
B.3.3 Performance Calculations................................................................................B-5
C.1 PowerPC RegistersÑUser Registers...................................................................C-1
xxxiv
CONTENTS
Title
Chapter 38
IEEE 1149.1 Test Access Port
Appendix A
Byte Ordering
Appendix B
Serial Communications Performance
Appendix C
Register Quick Reference Guide
MPC860 PowerQUICC UserÕs Manual
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Number
MOTOROLA