RF65 datasheet(35/72 Pages) ETC2

tên linh kiện	RF65

Giải thích chi tiết về linh kiện	Low Power Integrated UHF Receiver With -120dBm High Sensitivity

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Page 35

RF65

Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com

Idle

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

Upon detection of a valid packet, the sequencing is altered, as shown below:

PayloadReady

ListenCriteria

passed

ListenEnd = 00

Listen Mode

Idle

ListenEnd = 01

ListenEnd = 10

Listen Mode

Idle

Mode

Figure 18. Listen Mode Sequence (wanted signal is received)

Listen mode can be disabled by writing ListenOn to 0

4.3.4. RC Timer Accuracy

All timings of the Listen Mode rely on the accuracy of the internal low-power RC oscillator. This oscillator is automatically

calibrated at the device power-up, and it is a user-transparent process.

For applications enduring large temperature variations, and for which the power supply is never removed, RC calibration

can be performed upon user request. RcCalStart in RegOsc1 can be used to trigger this calibration, and the flag

RcCalDone will be set automatically when the calibration is over.

RF65 bảng dữ liệu(PDF) 35 Page - List of Unclassifed Manufacturers