3.10.11.1 Performing Page Erase by SPM

To execute a page erase, set up the address in the Z pointer, write “00000011” to SPMCSR and execute SPM within four clock cycles after writing SPMCSR. The data in R1 and R0 are ignored. The page address must be written to PCPAGE in the Z register. Other bits in the Z pointer are ignored during this operation.