Owner manual

AN186
AN186REV1 11
9. AUTOMATIC WAKEUP CIRCUIT
U2
1
2
3
C1
0.1u
F
Unused
GPIO
p
in
R2
47
R1
47
U1A
1
2
14
7
74LCX02
WAKEUP
74LCX14
Vdd
WAKEUP_DIS
Figure 8. Automatic Wakeup Circuit