Register Quick Reference—IP2022 User’s Manual 414 www.ubicom.com RTSS Real-Time Timer clock source select 0 =   pre-PLL clock
1 =   external RTCLK RTIE Real-Time Timer interrupt enable bit 0 =   Real-Time Timer interrupt disabled
1 =   Real-Time Timer interrupt enabled RTIF Real-Time Timer interrupt flag 0 =   No timer overflow has occurred since this bit was           last cleared
1 =   Timer overflow has occurred. This bit goes high two cycles after the actual overflow occurs. Name Description