RF69 datasheet(41/81 Pages) ETC2

номер детали	RF69

подробное описание детали	Low Power Integrated UHF Transceiver with On-Chip 20dBm PA

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RF69

Page 40

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Notes - the accuracy of the typical timings given in Table 17 will depend in the RC oscillator calibration

- RC oscillator calibration is required, and must be performed at power up. See section 4.3.5 for details

4.3.2. Criteria

The criteria taken for detecting a wanted signal and hence deciding to maintain the receiver on is defined by ListenCriteria

in RegListen1.

Table 18 Signal Acceptance Criteria in Listen Mode

ListenCriteria

Input Signal Power

>= RssiThreshold

SyncAddressMatch

Required

Not Required

Required

4.3.3. End of Cycle Actions

The action taken after detection of a packet, is defined by ListenEnd in RegListen3, as described in the table below.

Table 19 End of Listen Cycle Actions

ListenEnd

Description

Chip stays in Rx mode. Listen mode stops and must be disabled.

Chip stays in Rx mode until PayloadReady or Timeout interrupt occurs. It then goes to the

mode defined by Mode. Listen mode stops and must be disabled.

Chip stays in Rx mode until PayloadReady or Timeout interrupt occurs. Listen mode then

resumes in Idle state. FIFO content is lost at next Rx wakeup.

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