IP2022 User’s Manual—In-System Debugging www.ubicom.com 333 5.2.1 ISP_STATUS Register 15 6 5 4 3 2 1 0 Reserved FBUSY  Rsrv.   IBREAK  HBREAK SBREAK  RUN Name Description FBUSY Flash memory status flag bit 0 =   Flash memory is available for reading and writing
1 =   Flash memory is busy with previous operation IBREAK CPU Break mode from ISD/ISP BREAK command flag bit 0 =   No ISD/ISP BREAK command has been issued           since the CPU was in Run mode
1 =   CPU is in Break mode caused by BREAK command HBREAK CPU Break mode from hardware breakpoint flag bit 0 =   No hardware breakpoint has been encountered           since the CPU was in Run mode
1 =   CPU is in Break mode caused by hardware break- point (i.e. PC matches last SET_BKPT command) SBREAK CPU Break mode from break instruction flag bit 0 =   No break instruction has been executed since the           CPU was in Run mode
1 =   CPU is in Break mode caused by executing break instruction RUN CPU Run mode status flag bit 0 =   CPU is not in Run mode
1 =   CPU is in Run mode