AT86RF233 Datasheet, PDF (120/196 Pages) ATMEL Corporation – Low Power, 2.4GHz Transceiver for ZigBee, RF4CE, IEEE 802.15.4, 6LoWPAN, and ISM Applications

 Bit 3:0 - XTAL_TRIM
The register bits XTAL_TRIM control internal capacitance arrays connected to pin 26
(XTAL1) and pin 25 (XTAL2).
Table 9-15. XTAL_TRIM.
Register Bits
Value Description
XTAL_TRIM
0x0 A capacitance value in the range from 0pF to 4.5pF is
selectable with a resolution of 0.3pF.
Valid values are [0xF, 0xE, …, 0x0].
120 _AT86RF233
8351B–MCU Wireless–06/12