Technical Reference Manual
002-29852 Rev. *B
3.8.3.10 CM0P_SCS_CPUID
Description:
CPUID Register
Address:
0xE000ED00
Offset:
0xD00
Retention:
Retained
IsDeepSleep:
No
Comment:
Contains the part number, version, and implementation information that is specific to this
processor.
Default:
0x410CC601
Bit-field Table
Bits
7
6
5
4
3
2
1
0
Name
REVISION [3:0]
Bits
15
14
13
12
11
10
9
8
Name
PARTNO [15:8]
Bits
23
22
21
20
19
18
17
16
Name
VARIANT [23:20]
CONSTANT [19:16]
Bits
31
30
29
28
27
26
25
24
Name
IMPLEMENTER [31:24]
Bit-fields
Bits Name
SW
HW
Default or
Enum
Description
0:3
REVISION
R
1
Indicates revision. In ARM implementations this is the
minor revision number n in the pn part of the rnpn
revision status, see Product revision status on Arm
TRM page xii. For release r0p1.
4:15
PARTNO
R
3168
Indicates part number, Cortex-M0+
16:19 CONSTANT
R
12
Indicates the architecture, ARMv6-M
20:23 VARIANT
R
0
Implementation defined. In ARM implementations this
is the major revision number n in the rn part of the rnpn
revision status, Product revision status on Arm TRM
page xii.
24:31 IMPLEMENTER
R
65
Implementer code for ARM.
171
2022-04-18
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