Apparatus and method for real-time clock module of system-on-chip
US12181942B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2022 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Dec 15, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an apparatus and a method for a real-time clock (RTC) module of a system-on-chip (SoC), and provides an apparatus for powering battery-powered RTC module of an SoC. The apparatus is integrated in the RTC module and comprises: a first regulator stage comprising one or more regulators, wherein the first regulator stage is configured to provide a core power supply voltage (VDD_CORE) on the basis of battery output voltage (VDD_BAT); and a crystal oscillator I/O unit, the crystal oscillator I/O unit being powered by the core power supply voltage (VDD_CORE) and an I/O power supply voltage (VDD_IO), wherein the apparatus directly provides the battery output voltage (VDD_BAT) as the I/O power supply voltage (VDD_IO).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.