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MuMaker-PFM-NUC472
June 17, 2016
Page
26
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Rev 1.00
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Crystal
4.6
Figure 4-6 shows two external crystal circuits for the NUC472 series MCU.
Figure 4-6 External Crystal Circuit
Battery
4.7
Figure 4-7 shows the battery circuit for the NUC472 series MCU.
Figure 4-7 Battery Circuit
RTC
12MHz
XT1_OUT
XT32_IN
XT32_OUT
XT1_IN
XT32_OUT
XT32_IN
XT1_IN
XT1_OUT
XT32_OUT
XT32_IN
XT1_IN
XT1_OUT
C29
6p
C0603
C28
6p
C0603
X2
12MHz
XTAL3-1
C27
20p
C0603
C25
20p
C0603
X3
32.768K
XTAL-3.4MM-2P_DIP
R41
0
R0603
R43
NC
R0603
R42
NC
R0603
CRYSTAL
BT1
CR
Battery
VBAT
VBAT
VBAT