Nokia N80 - Back-Up Battery Interface Connections and Electrical Characteristics; Flash LED Interface and Electrical Characteristics; Slider Switch Electrical Characteristics

Flash LED interface and electrical characteristics
Table 28 Flash LED interface connections
Signal name From To Description
GPIO28 D4800 N1471 Indicator mode enable
signal
ARMIO4 D4800 N1471, V1472 Flash mode enable test
signal (only test use)
VBAT Battery N1471 Battery nominal voltage
STROBE Camera N1471, V1472 Flash light enable signal
from back camera
Table 29 Flash LED interface electrical characteristics
Description Parameter Min Typ Max Unit
GPIO28 GPIO output 1.72 1.8 1.92 V
ARMIO4 GPIO output 1.72 1.8 1.92 V
STROBE Strobe signal
output
2 - 2.5 V
Slider switch electrical characteristics
Signal name From To Low value High value Description
GPIO53 Application
processor
S5202 160 mV 1.8 V Slider switch
cover status
signal.
Back-up battery interface connections and electrical characteristics
Table 30 Back-up battery connections
Pin name I/O Connection Notes
L2207, VBack -> N2200, VBack Back-up battery G2200 is connected to N2200
via coil
Table 31 Back-up battery electrical characteristics
Description Parameter Min Typ Max Unit
Back-Up
Battery
Voltage
Vback 0 2.5 2.7 V
RM-91; RM-92
System Module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 9 –41
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