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BLE121LR Fiches technique(PDF) 21 Page - Silicon Laboratories

No de pièce BLE121LR
Description  Renamed "Bluetooth Smart" to "Bluetooth Low Energy" according to the official Bluetooth SIG nomenclature
PDF  35 Pages
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Fabricant  SILABS [Silicon Laboratories]
Site Internet  http://www.silabs.com
Logo SILABS - Silicon Laboratories

BLE121LR Fiches technique(HTML) 21 Page - Silicon Laboratories

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6 Power-On Reset and Brownout Detector
BLE121LR includes a power-on reset (POR), providing correct initialization during device power on. It also
includes a brownout detector (BOD) operating on the regulated 1.8-V digital power supply only. The BOD
protects the memory contents during supply voltage variations which cause the regulated 1.8-V power to drop
below the minimum level required by digital logic, flash memory, and SRAM. When power is initially applied,
the POR and BOD hold the device in the reset state until the supply voltage rises above the power-on-reset
and brownout voltages.



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