User Guide
Description Parameter Min Max Unit Notes
Threshold for
charging, rising
(TAHVO)
V
MSTR+
2.1 V Typical value
Threshold for
charging,
falling (TAHVO)
V
MSTR-
1.9 V Typical value
Battery connector and interface connections & electrical characteristics
Figure 113 Battery connector
Table 12 Battery interface connections
Pin Signal I/O Engine connection Notes
1 VBAT -> Retu VBAT Battery voltage
2 BSI -> Retu BSI Battery size
indication
(fixed resistor
inside the
battery pack)
3 GND GND Ground
Table 13 Battery IF electrical characteristics
Description Parameter Max Unit Notes
Operation voltage V
IN
4.23 VDC
Current rating I
IN
0.9 A
Internal interfaces
Name of Connection Connector reference Material Code Notes
UI connector X4400 5469983
Display X4401 5469219
Camera X1470 5409297 Mirage 1.3X
RM-1
System Module Nokia Customer Care
Issue 1 Company Confidential Page 9–33
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