Back-Up Battery Interface Electrical Characteristics - Nokia E62 Service Manual

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Back-up battery interface electrical characteristics

Pin name I/O
L2207, ->
VBack
Description Parameter
Back-Up Vback
Battery
Voltage
Page 8 –26
Signal I/O
D5 <->
D7 <->
TE ->
RESX <-
CSX <-
D6 <->
D4 <->
D2 <->
GND
D0 <->
WRX ->
GND
VDDI <-
V LED2 - ->
V LED1 - ->
Table 19 Back-up battery connections
Connection
N2200, Back-up battery G2200 is
VBack connected to N2200 via coil
Table 20 Back-up battery electrical characteristics
Min
0 2.5
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Engine connection
RAP
RAP
RAP
RAP
RAP
RAP
RAP
RAP
RAP
RAP
EM ASIC
(N2200)
R2303
R2303
Notes
Typ Max
2.7
System Module
Lcdda5
Lcdda7
Te Tearing Effect
Gpio60 Reset (active
Lcdsx
(active low)
Lcdda6
Lcdda4
Lcdda2
Lcdda0
Lcdwrx Write Enable
(active low)
VIO
SETCURR1
SETCURR1
Unit
V
RM-88
Notes
Data
Data
low)
Chip Select
Data
Data
Data
Data
Interface
voltage
Resistor
Resistor
Issue 1