Datasheet

Register 16: Program Counter (PC)
The Program Counter (PC) is register R15, and it contains the current program address. On reset,
the processor loads the PC with the value of the reset vector, which is at address 0x0000.0004. Bit
0 of the reset vector is loaded into the THUMB bit of the EPSR at reset and must be 1. The PC register
can be accessed in either privileged or unprivileged mode.
Program Counter (PC)
Type R/W, reset -
16171819202122232425262728293031
PC
R/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WType
----------------Reset
0123456789101112131415
PC
R/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WType
----------------Reset
DescriptionResetTypeNameBit/Field
This field is the current program address.-R/WPC31:0
June 18, 201266
Texas Instruments-Production Data
The Cortex-M3 Processor
NRND: Not recommended for new designs.