Slider Switch Electrical Characteristics; Flash Led Interface And Electrical Characteristics; Back-Up Battery Interface Connections And Electrical Characteristics - Nokia RM-57 Service Manual

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Description Parameter
Cam_strobe VOH
Cam_strobe VOL
ExtClk fExtClk
SDA, SCL tR

Slider switch electrical characteristics

Signal name
GPIO53 Helen

Flash LED interface and electrical characteristics

Signal name
GPIO28
ARMIO4
VBAT
STROBE
Description Parameter
GPIO28 GPIO output
ARMIO4 GPIO output
STROBE Strobe signal
output

Back-up battery interface connections and electrical characteristics

Pin name I/O
L2207, VBack ->
Page 9–40
Min
0.8 x VDD
0
From To
S5202
Table 31 Flash LED interface connections
From
Helen
Helen
Battery
MirageX
Table 32 Flash LED interface electrical characteristics
Min
1.72
1.72
2
Table 33 Back-up battery connections
Connection
Retu, VBack
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Typ. Max
- VDD
- 0.4
9.6
300
Low value
160mV
To
N1471
N1471, V1472
N1471
N1471, V1472
Typ
1.8
1.8
-
Notes
Back-up battery G2200 is connected to RETU via
coil
System Module
Unit Notes
V
MHz
ns
High value Description
1,8V Slider switch
cover status
signal.
Description
Indicator mode enable
signal
Flash mode enable test
signal (only test use)
Battery nominal voltage
Flash light enable signal
from back camera
Max Unit
1.92 V
1.92 V
2.5 V
RM-57/58
High-level
output
voltage
Low-level
output
voltage
SW controls
frequency
Risetime
Issue 1