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NRF7002-QFAA-R7 Fiches technique(PDF) 24 Page - Nordic Semiconductor

No de pièce NRF7002-QFAA-R7
Description  nRF7002
PDF  61 Pages
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Fabricant  NORDIC [Nordic Semiconductor]
Site Internet  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF7002-QFAA-R7 Fiches technique(HTML) 24 Page - Nordic Semiconductor

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Coexistence
T2
SR_REQUEST
SR_REQUEST lead time
Transaction time
T1
t1
t2
t3 t4
t5
time
Tx/Rx
SR_STATUS
Priority
SR_GRANT
Grant
T3
Figure 14: 3-wire timing with priority multiplexing
Parameter
Description
T1: SR_REQUEST lead time period The time SR_REQUEST is asserted before actual transactions.
T2: SR_STATUS
The time when SR_STATUS is sampled to get SR_PTI information.
T3: SR_GRANT
The time before PTA should post SR_GRANT so that it is stable to be
considered by the Bluetooth LE/IEEE 802.15.4 device.
Table 7: Bluetooth LE/IEEE 802.15.4 timing parameters
The Bluetooth LE/IEEE 802.15.4 timing parameters are used to derive PTA timing parameters. The
following table describes the relationship between PTA timing parameters and Bluetooth LE/IEEE 802.15.4
timing parameters.
PTA timing parameter
Relation with Bluetooth LE/IEEE 802.15.4 timing
parameter
Bluetooth LE/IEEE 802.15.4 device status priority
sampling time (t2)
t1 < t2 < (t1+T2)
PTA arbitration decision time (t3)
(t1+T2) < t3 < (T1-T3)
Table 8: PTA and Bluetooth LE/IEEE 802.15.4 timing parameters
4486_184 v1.0
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