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NRF52820-QDAA-R Datasheet(PDF) 49 Page - Nordic Semiconductor |
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NRF52820-QDAA-R Datasheet(HTML) 49 Page - Nordic Semiconductor |
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49 / 437 page  Power and clock management 5.2.1.5 RNG active Symbol Description Min. Typ. Max. Units IRNG0 RNG running 471 µA 5.2.1.6 TEMP active Symbol Description Min. Typ. Max. Units ITEMP0 TEMP started 0.62 mA 5.2.1.7 TIMER running Symbol Description Min. Typ. Max. Units ITIMER0 One TIMER instance running @ 1 MHz, Clock = HFINT 326 µA ITIMER1 Two TIMER instances running @ 1 MHz, Clock = HFINT 327 µA ITIMER2 One TIMER instance running @ 1 MHz, Clock = HFXO 511 µA ITIMER3 One TIMER instance running @ 16 MHz, Clock = HFINT 426 µA ITIMER4 One TIMER instance running @ 16 MHz, Clock = HFXO 612 µA 5.2.1.8 WDT active Symbol Description Min. Typ. Max. Units IWDT,STARTED WDT started 1.4 µA 5.2.1.9 Compounded Symbol Description Min. Typ. Max. Units IS0 CPU running CoreMark from flash, Radio transmitting @ 0 dBm output power, 1 Mbps Bluetooth ® Low Energy (BLE) mode, Clock = HFXO, Regulator = DC/DC 7.3 mA IS1 CPU running CoreMark from flash, Radio receiving @ 1 Mbps BLE mode, Clock = HFXO, Regulator = DC/DC 7.2 mA IS2 CPU running CoreMark from flash, Radio transmitting @ 0 dBm output power, 1 Mbps BLE mode, Clock = HFXO 14.1 mA IS3 CPU running CoreMark from flash, Radio receiving @ 1 Mbps BLE mode, Clock = HFXO 13.7 mA 5.3 POWER — Power supply The power supply consists of a number of LDO and DC/DC regulators that are utilized to maximize the system's power efficiency. This device has the following power supply features: • On-chip LDO and DC/DC regulators • Global System ON/OFF modes • Individual RAM section power control for all system modes • Analog or digital pin wakeup from System OFF • Supervisor hardware to manage power-on reset, brownout, and power failure • Auto-controlled refresh modes for LDO and DC/DC regulators to maximize efficiency 4463_156 v1.0 49 |
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