SPRUJ53B April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
SCI sets the WAKEUP flag if bus activity on the RX line either prevents power-down mode from being entered, or RX line activity causes an exit from power-down mode. If enabled (SCISETINT.SETWAKEUPINT is set), the wakeup interrupt is triggered once the WAKEUP flag in the SCIFLR register is set.