Si4012-C1-GT Silicon Laboratories Inc, Si4012-C1-GT Datasheet - Page 34

• Manufacturer Part Number: Si4012-C1-GT
• Description: RF Transmitter 27-960 MHz RF Transmitter
• Manufacturer: Silicon Laboratories Inc

Si4012
5.2.2. PROPERTY: CHIP_CONFIG
Format:
Note: If the crystal is not populated on the board, there will still be a 1.4 mA current draw penalty for the XO circuitry on the
34
CHIP_CONFIG
PROP_DATA1
Purpose:
Property:
Default:
Fields:
Si4012. The host should send SET_PROPERTY/CHIP_CONFIG with bit 3 cleared to turn off the XO circuitry.
Property
PROP_ID



Select FSK deviation polarity, LSB first and external crystal.
FskDevPola – FSK deviation polarity.


LsbFirst – When set, LSB is transmitted first. Otherwise, MSB is transmitted first.
UseXo – Use external crystal if set
0x10
0x08
0 – +deviation when modulation data is 1 and –dev for Din = 0
1 – +dev for Din = 0 and –dev for Din = 1
7
6
5
Rev 0.2
4
0x10
UseXo
3
LsbFirst
2
1
FskDevPola
0