SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
Power management architecture of the device is built over three levels of power controls: clock-, power-, and voltage supplies to the subsystem modules, namely domains. A domain is a group of modules or subsections of the device that share a common entity (for example, common clock source, common voltage source, or common power switch).
A set of Power Domains (PD) are defined for the device, where clock and power supplies to the domain may be controlled by Power Sleep Controllers (PSC). One or multiple power domains may share a single power supply, this level of grouping are referred as Voltage Domains (VD). Some voltage domains may be turned off by externally switching off the power supplies to these domains. The hierarchical relationship is summarized in Section 5.2.2.
Figure 5-1 shows the overview of the common power management of the device.