RF96 datasheet(97/121 Pages) HOPE

97 / 121 page

Page 97

RF96/97/98

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WIRELESS & SENSING

PRELIMINARY

DATASHEET

Name

(Address)

Bits

Variable Name

Mode

Default

value

FSK/OOK Description

Service registers

RegImageCal

(0x3b)

AutoImageCalOn

0x00

Controls the Image calibration mechanism

0  Calibration of the receiver depending on the temperature is

disabled

1  Calibration of the receiver depending on the temperature

enabled.

ImageCalStart

Triggers the IQ and RSSI calibration when set in Standby mode.

ImageCalRunning

0x00

Set to 1 while the Image and RSSI calibration are running.

Toggles back to 0 when the process is completed

unused

TempChange

0x00

IRQ flag witnessing a temperature change exceeding

TempThreshold since the last Image and RSSI calibration:

0  Temperature change lower than TempThreshold

1  Temperature change greater than TempThreshold

2-1

TempThreshold

0x01

Temperature change threshold to trigger a new I/Q calibration

00  5 °C

01  10 °C

10  15 °C

11  20 °C

TempMonitorOff

0x00

Controls the temperature monitor operation:

0  Temperature monitoring done in all modes except Sleep and

Standby

1  Temperature monitoring stopped.

RegTemp

(0x3c)

7-0

TempValue

Measured temperature

-1°C per Lsb

Needs calibration for absolute accuracy

RegLowBat

(0x3d)

7-4

unused

LowBatOn

0x00

Low Battery detector enable signal

0  LowBat detector disabled

1  LowBat detector enabled

2-0

LowBatTrim

0x02

Trimming of the LowBat threshold:

000  1.695 V

001  1.764 V

010  1.835 V (d)

011  1.905 V

100  1.976 V

101  2.045 V

110  2.116 V

111  2.185 V

Status registers

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