SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
Software can stop a certain FIFO to update with new temperature and timestamp values when setting to 0x1 one of the FREEZE_x bits in the CTRL_CORE_BANDGAP_MASK_1 and CTRL_CORE_BANDGAP_MASK_2 registers. These 5 bits are automatically cleared by hardware after the FIFOs are cleared.
Each FIFO is cleared by setting to 0x1 one of the CLEAR_x bits in the CTRL_CORE_BANDGAP_MASK_1 and CTRL_CORE_BANDGAP_MASK_2 registers. These 5 bits are also automatically set by hardware to 0x0 after the FIFOs clearing procedure completes.
The five FSMs comply with the PRCM slave idle protocol. They share common functional clock (L3INSTR_TS_GCLK), which is automatically gated by PRCM depending on the value of the CTRL_CORE_BANDGAP_MASK_1[31:30] SIDLEMODE bit field. L3INSTR_TS_GCLK clock is also enabled automatically by the PRCM module.