NRF2401 Datasheet, PDF (21/37 Pages) List of Unclassifed Manufacturers – Single chip 2.4 GHz Transceiver

PRODUCT SPECIFICATION
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This section of the configuration word handles RF and device related parameters.
Modes:
5;B(1 &0 5)'5B6%
;2B)
15
14
13
12
11
10
5)B3:5
9
8
Table 14 RF operational settings.
Bit 15:
RX2_EN:
Logic 0: One channel receive
Logic 1: Two channels receive
NOTE:
In two channels receive, the nRF2401 receives on two, separate
frequency channels simultaneously. The frequency of receive channel
1 is set in the configuration word B[7-1], receive channel 2 is always 8
channels (8 MHz) above receive channel 1.
Bit 14:
Communication Mode:
Logic 0: nRF2401 operates in direct mode.
Logic 1: nRF2401 operates in ShockBurst™ mode
Bit 13:
RF Data Rate:
Logic 0: 250 kbps
Logic 1: 1 Mbps
NOTE:
Utilizing 250 kbps instead of 1Mbps will improve the receiver
sensitivity by 10 dB. 1Mbps requires 16MHz crystal.
Bit 12-10:
XO_F:
Selects the nRF2401 crystal frequency to be used:
;2 )5(48(1&< 6(/(&7,21
' ' ' &U\VWDO )UHTXHQF\ >0+]@
0
0
0
4
0
0
1
8
0
1
0
12
0
1
1
16
1
0
0
20
Table 15 Crystal frequency setting.
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone [phone] - Fax [phone]
Revision: 1.0
Page 21 of 37
March 2003