ARM7TDMI Technical Reference Manual(Rev 3)
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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:

Other coprocessor numbers have also been reserved. Coprocessor availability is listed in Table 4.1.

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

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.

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