Appendix A

Signal Descriptions

This appendix lists and describes the processor signals. It contains the following sections:

About the signals list on page A-2

Clocks and resets on page A-3

AHB signals on page A-4

SMC memory interface signals on page A-5

SMC miscellaneous signals on page A-6

Low-power interface on page A-7

Configuration signal on page A-8

Scan chains on page A-9.

ARM DDI 0389B

Copyright © 2006 ARM Limited. All rights reserved.

A-1

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SMC Networks AHB SRAM/NOR, PL241 manual Signal Descriptions