HFC-Smini Cologne Chip AG, HFC-Smini Datasheet - Page 60

• Manufacturer Part Number: HFC-Smini
• Manufacturer: Cologne Chip AG

863 C ]Y^Y
7.1.2 External wake-up circuitry
The wake-up circuitry is optional. It enables the HFC-S mini to wake up by incoming INFOx (non
INFO0) signals on the S/T interface.
Figure 11: External wake-up circuitry
WAKE_UP_1 and WAKE_UP_2 are inputs from the receiver circuitry (see also: 7.1.1 External receiver
circuitry).
Part List
Part
C17
Q3
R22
R23
R24
C 17
R 23
Q 3
G N D
R 22
R 24
Value
100pF
BC860C
4M7
10k
100k
(from receiver circuitry)
(from receiver circuitry)
(HFC-S mini, pin 28)
W A K E _U P _2
W A K E _U P _1
A W A K E
Cologne
Chip