Register 55: CPU ID Base (CPUID), offset 0xD00
Note: This register can only be accessed from privileged mode.
The CPUID register contains the ARM® Cortex™-M4 processor part number, version, and
implementation information.
CPU ID Base (CPUID)
Base 0xE000.E000
Offset 0xD00
Type RO, reset 0x410F.C241
16171819202122232425262728293031
CONVARIMP
ROROROROROROROROROROROROROROROROType
1111000010000010Reset
0123456789101112131415
REVPARTNO
ROROROROROROROROROROROROROROROROType
1000001001000011Reset
DescriptionResetTypeNameBit/Field
Implementer Code
DescriptionValue
ARM0x41
0x41ROIMP31:24
Variant Number
DescriptionValue
The rn value in the rnpn product revision identifier, for example,
the 0 in r0p0.
0x0
0x0ROVAR23:20
Constant
DescriptionValue
Always reads as 0xF.0xF
0xFROCON19:16
Part Number
DescriptionValue
Cortex-M4 processor.0xC24
0xC24ROPARTNO15:4
Revision Number
DescriptionValue
The pn value in the rnpn product revision identifier, for example,
the 1 in r0p1.
0x1
0x1ROREV3:0
June 18, 2014166
Texas Instruments-Production Data
Cortex-M4 Peripherals