SPRUJB3C March 2024 – November 2025 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
A Power Glitch Detect (PGD) circuit is used to detect short duration “glitches” on the core and MPU power supplies. The PGD provides a low output when no glitch is detected and a high output when a glitch is detected.
Figure 6-10 shows the PGD block diagram.
Figure 6-10 PGD Block DiagramTable 6-26 summarize the PGD integration.
| Module Instance | Monitored Voltage | PGD Control/Status Registers |
|---|---|---|
| IPGD_VDD_MCU_CORE | VDD_MCU | CTRL_MMR_VDD_MCU_GLDTC_CTRL |
| CTRL_MMR_VDD_MCU_GLDTC_STAT | ||
| IPGD_VDD_MCU_MEM | VDDR_MCU (SRAM) | CTRL_MMR_VDDR_MCU_GLDTC_CTRL |
| CTRL_MMR_VDDR_MCU_GLDTC_STAT | ||
| IPGD_VDD_CPU_CORE | VDD_CPU | CTRL_MMR_VDD_CPU_GLDTC_CTRL |
| CTRL_MMR_VDD_CPU_GLDTC_STAT | ||
| IPGD_VDD_MAIN_CORE | VDD_CORE | CTRL_MMR_VDD_CORE_GLDTC_CTRL |
| CTRL_MMR_VDD_CORE_GLDTC_STAT | ||
| IPGD_VDD_CPU_MEM | VDDR_CPU (SRAM) | CTRL_MMR_VDDR_CPU_GLDTC_CTRL |
| CTRL_MMR_VDDR_CPU_GLDTC_STAT | ||
| IPGD_VDD_MAIN_MEM | VDDR_CORE (SRAM) | CTRL_MMR_VDDR_CORE_GLDTC_CTRL |
| CTRL_MMR_VDDR_CORE_GLDTC_STAT | ||
| IPGD_VDD_CPU1_CORE | VDD_CORE | CTRL_MMR_VDD_CPU1_GLDTC_CTRL |
| CTRL_MMR_VDD_CPU1_GLDTC_STAT |
A flag status bit in corresponding STAT register is cleared by clearing the [30] RSTB bit in the corresponding CTRL register, see for STAT and CTRL registers for a certain PGD module.