3.8.10 FETN4 – RF Front-End RC Tuning 4-Bit Register

Name:	FETN4
Offset:	0x109
Reset:	0x00


Bit	7	6	5	4	3	2	1	0
	RTN4[3:0]				CTN4[3:0]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bits 7:4 – RTN4[3:0] Resistor Tuning 4-Bit

RTN4[3:0] is used for the 4-bit resistor calibration.

Bits 3:0 – CTN4[3:0] Capacitor Tuning 4-Bit

CTN4[3:0] is used for the 4-bit capacitor calibration. Both calibration values are stored in the factory-locked EEPROM. The values must be copied to the tuning register before using the RF front end. Firmware does this by default.

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.