Give 2 applications of ARM Cortex M3 processor Describe the function of the following special purpose registers (a) Program Counter (PC), (b) Instruction Register (IR), (c) Link Register (LR) Give the bit numbers and the function of the following flag bits in APSR a. N: bit number ___, function _________. b. Z: bit number ___, function _________. c. C: bit number ___, function _________. d. V: bit number ___, function _________