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NRF52820-QDAA-R Datasheet(PDF) 226 Page - Nordic Semiconductor |
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NRF52820-QDAA-R Datasheet(HTML) 226 Page - Nordic Semiconductor |
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226 / 437 page  Peripherals Symbol Description Min. Typ. Max. Units tRXDIS,BLE,1M When in RX, delay between DISABLE task and DISABLED event for MODE = Nrf_1Mbit and MODE = Ble_1Mbit 0 µs tTXDIS,BLE,2M When in TX, delay between DISABLE task and DISABLED event for MODE = Nrf_2Mbit and MODE = Ble_2Mbit 4 µs tRXDIS,BLE,2M When in RX, delay between DISABLE task and DISABLED event for MODE = Nrf_2Mbit and MODE = Ble_2Mbit 0 µs tTXEN,IEEE 802.15.4 Time between TXEN task and READY event after channel FREQUENCY configured (IEEE 802.15.4 mode) 130 µs tTXEN,FAST,IEEE 802.15.4 Time between TXEN task and READY event after channel FREQUENCY configured (IEEE 802.15.4 mode with fast ramp- up) 40 µs tTXDIS,IEEE 802.15.4 When in TX, delay between DISABLE task and DISABLED event (IEEE 802.15.4 mode) 21 µs tRXEN,IEEE 802.15.4 Time between the RXEN task and READY event after channel FREQUENCY configured (IEEE 802.15.4 mode) 130 µs tRXEN,FAST,IEEE 802.15.4 Time between the RXEN task and READY event after channel FREQUENCY configured (IEEE 802.15.4 mode with fast ramp- up) 40 µs tRXDIS,IEEE 802.15.4 When in RX, delay between DISABLE task and DISABLED event (IEEE 802.15.4 mode) 0.5 µs tRX-to-TX turnaround Maximum TX-to-RX or RX-to-TX turnaround time in IEEE 802.15.4 mode 40 µs 6.12.16.9 Received signal strength indicator (RSSI) specifications Symbol Description Min. Typ. Max. Units RSSIACC RSSI accuracy 17 ±2 dB RSSIRESOLUTION RSSI resolution 1 dB RSSIPERIOD RSSI sampling time from RSSI_START task 0.25 µs RSSISETTLE RSSI settling time after signal level change 15 µs 6.12.16.10 Jitter Symbol Description Min. Typ. Max. Units tDISABLEDJITTER Jitter on DISABLED event relative to END event when shortcut between END and DISABLE is enabled 0.25 µs tREADYJITTER Jitter on READY event relative to TXEN and RXEN task 0.25 µs 6.12.16.11 IEEE 802.15.4 mode energy detection constants Symbol Description Min. Typ. Max. Units ED_RSSISCALE Scaling value when converting between hardware-reported value and dBm 5 ED_RSSIOFFS Offset value when converting between hardware-reported value and dBm -93 17 Valid range -90 to -30 dBm 4463_156 v1.0 226 |
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