SX1276 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SX1276

137 MHz to 1020 MHz Low Power Long Range Transceiver

Semtech Corporation 

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SX1276/77/78/79

WIRELESS, SENSING & TIMING

DATASHEET

Table 44 High Frequency Additional Registers

Name

(Address)

Bits

7-6

RegAgcRefHf

(0x61)

5-0

RegAgcThresh1Hf 7-5

(0x62)

4-0

RegAgcThresh2Hf 7-4

(0x63)

3-0

RegAgcThresh3Hf 7-4

(0x64)

3-0

RegPllHf

7-6

(0x70)

5-0

Variable Name

unused

AgcReferenceLevel

unused

AgcStep1

AgcStep2

AgcStep3

AgcStep4

AgcStep5

PllBandwidth

reserved

Mode

Default

value

Low Frequency Additional Registers

r

- unused

Sets the floor reference for all AGC thresholds:

rw

0x1c

AGC Reference[dBm]=

-174dBm+10*log(2*RxBw)+SNR+AgcReferenceLevel

SNR = 8dB, fixed value

r

- unused

rw 0x0e Defines the 1st AGC Threshold

rw 0x05 Defines the 2nd AGC Threshold:

rw 0x0b Defines the 3rd AGC Threshold:

rw 0x0c Defines the 4th AGC Threshold:

rw 0x0c Defines the 5th AGC Threshold:

Controls the PLL bandwidth:

rw 0x03 00  75 kHz

10  225 kHz

01  150 kHz

11  300 kHz

rw 0x10 reserved. Retain default value

Rev. 4 - March 2015

©2015 Semtech Corporation

Page 107

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