Coprocessor Interface
ARM DDI 0210C Copyright © 2001, 2004 ARM Limited. All rights reserved. 4-3
4.1.1 Coprocessor availability
Up to 16 coprocessors can be referenced by a system, each with a unique coprocessor
ID number to identify it. The ARM7TDMI core contains one internal coprocessor:
•CP14, the Debug Communications Channel (DCC) coprocessor.
Other coprocessor numbers have also been reserved. Coprocessor availability is listed
in Table 4-1.
If you intend to design a coprocessor send an email with
coprocessor
in the subject line
to
info@arm.com
for up-to-date information on which coprocessor numbers have been
allocated.
Table 4-1 Coprocessor availability
Coprocessor number Allocation
15 Reserved for system control
14 Debug controller
13:8 Reserved
7:4 Available to users
3:0 Reserved
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