SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The TS_SYNC output is a selected bit of the TIME_STAMP counter value. One of the counter bits 17-31 can be selected in CPTS_CONTROL_REG[31-28] TS_SYNC_SEL. The TS_SYNC output is disabled when CPTS_CONTROL_REG[31-28] TS_SYNC_SEL is zero.
If the selected counter bit is 1 at the time when TS_SYNC_SEL value is written then a rising edge will not occur on the TS_SYNC output. A rising edge will occur on the TS_SYNC output upon the next transition-to-1 of the selected counter bit. The TS_SYNC_SEL value must be written to zero before changing to a different non-zero value. No events are generated due to the TS_SYNC operation. The TS_SYNC output is two RCLK periods after the actual count value.