Datasheet

Page 51 of 161
nRF8001 Product Specification
Revision 1.2
17 Reference circuitry
17.1 Schematic for nRF8001 with DC/DC converter enabled
Figure 21. nRF8001 schematic, with DC/DC converter enabled
X1
16MHz
GND
C8
1.0nF
GND
C11
33nF
GND
GND
C10
100nF
GND
R1
22k
GND
GND
GND
C12
100nF
GND
C9
4.7μF
VCC_nRF
VCC_nRF
VDD
1
DEC1
2
VSS
8
TXD
7
RXD
10
DEC2
3
XL2
4
SCK
11
REQN
12
ACTIVE
6
MOSI
13
VDD
9
MISO
14
N/C
15
RDYN
16
VSS
17
VSS
18
XC1
28
AVDD
29
RESET
19
VDD_PA
20
ANT1
21
ANT2
22
VSS
23
AVDD
24
IREF
25
AVDD
26
XC2
27
VSS
31
VSS
30
DCC
32
nRF8001
XL1
5
U1
nRF8001
AVDD
AVDD
GND
GNDGND
L1
8.2nH
L2
5.6nH
L3
3.9nH
C4
N/C
C3
2.2nF
C5
1.8pF
C6
1.2pF
L5
15nH
L4
10μH
C7
1μF
C1
12pF
C2
12pF
RESET SCK REQN MOSI MISO RDYN RXD TXD ACTIVE