Datasheet

Register 26: CPU ID Base (CPUID), offset 0xD00
Note: This register can only be accessed from privileged mode.
The CPUID register contains the ARM® Cortex™-M3 processor part number, version, and
implementation information.
CPU ID Base (CPUID)
Base 0xE000.E000
Offset 0xD00
Type RO, reset 0x411F.C231
16171819202122232425262728293031
CONVARIMP
ROROROROROROROROROROROROROROROROType
1111100010000010Reset
0123456789101112131415
REVPARTNO
ROROROROROROROROROROROROROROROROType
1000110001000011Reset
DescriptionResetTypeNameBit/Field
Implementer Code
DescriptionValue
ARM0x41
0x41ROIMP31:24
Variant Number
DescriptionValue
The rn value in the rnpn product revision identifier, for example,
the 1 in r1p1.
0x1
0x1ROVAR23:20
Constant
DescriptionValue
Always reads as 0xF.0xF
0xFROCON19:16
Part Number
DescriptionValue
Cortex-M3 processor.0xC23
0xC23ROPARTNO15:4
Revision Number
DescriptionValue
The pn value in the rnpn product revision identifier, for example,
the 1 in r1p1.
0x1
0x1ROREV3:0
June 18, 2012126
Texas Instruments-Production Data
Cortex-M3 Peripherals
NRND: Not recommended for new designs.