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Description
Parameter
Min
Typ.
Max
Unit
Notes
SDA
VOL
0
-
0.4
V
High-level
output
voltage
Regulator
Enable
VOH
1.35
1.8
2.3V
V
Helen3 GPIO
High-level
output
voltage
Cam_strobe
VOH
0.8 x VDD
-
VDD
High-level
output
voltage
Cam_strobe
VOL
0
-
0.4
V
Low-level
output
voltage
ExtClk
fExtClk
9.6
MHz
SW controls
frequency
SDA, SCL
tR
300
ns
Risetime
Front camera interface and electrical characteristics
Table 29 Front camera interface connections
Pin
Signal
From
To
Description
1
PVDD
LDO N1472 (VCAM2) Camera
VDD for camera
sensor (photo
diode) 2.8V. LDO
N1472 is
manufactured by
National
Semiconductor
and type is LP3985
2
EXTCLK
Helen ETMTS1
Camera via level
shifter
Clock for external
input
3
RESET
Helen ETMPSTAT0
Camera via level
shifter
Camera module
reset (active low)
4
SCI
Helen scl (Helen
GPIO11)
Camera via level
shifter
I2C clock signal
(Camera control)
5
SDA
Helen sda (Helen
NFCS_0)
Camera via level
shifter
I2C data signal
(Camera control)
6
VDDD
LDO N1470 (VCAM)
Camera
VDD for camera
digital circuits and
sensor (A/D
converter) 1.5V
RM-36
System Module
Nokia Customer Care
Issue 1
Company Confidential
Page 9–43
Copyright ©2005 Nokia. All Rights Reserved.
Содержание 6680 RM-36
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