Ibi Accessories; Phone Power-On By Ibi; Ibi Power-On By Phone - Nokia NSE-6 SERIES Service Manual

PAMS
Technical Documentation

IBI Accessories

All accessories which can be connected between the transceiver and the
battery or which itself contain the battery, are called IBI accessories.
Either the phone or the IBI accessory can turn the other on, but both pos-
sibilities are not allowed in the same accessory.
Phone Power–on by IBI
IBI accessory can power the phone on by pulling the BTEMP line up to 3
V.
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.
–
+1.5 V
+
220k
33n 10n
BATTERY
Original 08/98
VBAT
Accessory
BSI
power on
100ms
BTEMP
R
T
NTC
GND
TRANSCEIVER
VREF
100k
10k
BTEMP
1k
VIBRAPWM
MCUGenIO4
NSE–6
System Module
CCONT
MAD
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