
Hardware layout
UM1842
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DocID027213 Rev 1
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VDD
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4
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GND
GND
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GND
5
3
1
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GND
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2
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GND
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5
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GND
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23
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GND
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49
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GND
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50
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1. The default configuration for the functions used on the boards, is shown in grey color.
Table 5. MCU pin description versus board function (page 8 of 8)
(1)
(continued)
MCU pin
Board function
Main
function
Alternate
functions
LQ
FP1
0
0
CS4
3
L2
2
MP45DT
02
L3G
D
20
LSM303
DLHC
P
u
shbutton
LED
SWD
USB
OSC
F
ree I
/O
Power supply
CN5
CN2
P1
P2