Nokia Mobile Phones NSE-5 Series Service Manual page 63

PAMS
Technical Documentation
IBI power–on by phone
Phone can power the IBI accessory on by pulling the BTEMP line up by
MCUGenIO4 of MAD2. BTEMP measurement is not possible during this
time.
The accessory is commanded back to power–off by MBUS message.
Vibra
22k
100n
BATTERY
Issue 1 07/99
VBAT
BSI
10n
BTEMP
R
T
47k
NTC
GND
Figure 14. IBI Power on
10k
VREF
100k
10k
BTEMP
R214
1k
2k2
VIBRAPWM
C105
10n
MCUGenIO4
TRANSCEIVER
NSE–5
System Module
VB
M
3x3Ru
4k7
100n
220k
CCONT
MAD
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