ARM R4 User Manual
Introduction
ARM DDI 0363E
Copyright © 2009 ARM Limited. All rights reserved.
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Table 1-3 shows the mappings between these various numbers, for all releases.
1.11.2
Architectural information
The ARM Architecture includes a number of registers that identify the version of the
architecture and some of the architectural features that a processor implements. Chapter 4
System Control Coprocessor describes the values that the processor implements for the fields in
these registers. For details of the possible values and their meanings for these fields, see the
ARM Architecture Reference Manual.
architecture and some of the architectural features that a processor implements. Chapter 4
System Control Coprocessor describes the values that the processor implements for the fields in
these registers. For details of the possible values and their meanings for these fields, see the
ARM Architecture Reference Manual.
Table 1-3 ID values for different product versions
ID value
r0p0
r0p1
r0p2
r0p3
r1p0
r1p1
r1p2
r1p3
Variant field, Main ID Register
0x0
0x0
0x0
0x0
0x1
0x1
0x1
0x1
Revision field, Main ID Register
0x0
0x1
0x2
0x3
0x0
0x1
0x2
0x3
Variant field, Debug ID Register
0x0
0x0
0x0
0x0
0x1
0x1
0x1
0x1
Revision field, Debug ID Register
0x0
0x1
0x2
0x3
0x0
0x1
0x2
0x3
Revision number, Peripheral ID Registers
0x0
0x1
0x2
0x5
0x3
0x4
0x6
0x7
Revision number, FPSID Register
-
-
-
-
0x3
0x4
0x6
0x7