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SPIRIT1 915 MHz Low Power RF Module
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Doc ID TBD Rev 0.
8
Rev
0.1
www.st.com
2.7
Pin placement
Figure 1.
Pin placement
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2.8
Hardware block
diagram
Figure 2.
Hardware block
diagram
S
p
i
r
i
t
1
F
il
ter/Ba
l
un
S
TM
32
L
M
icro
con
tr
oll
er
S
PI
G
PIO
UA
R
T
XTAL
1.8V
to
3.6V Su
p
ply
G
PIO
TX
R
Xp
R
Xn
SM
P
S
1
...
...
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10
...
...
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