DSB45 Development Support Box
Confidential / Released
s
DSB45_HD_V05
Page 10 of 50
01.02.2008
2.2 Block
diagram
SIM
Test
points
Feeding
bridge
EMC
4 pole
Western
jack
3V
3
Connector for external application
(40 pole)
Test points
(40 pole)
O
ve
rv
olt
ag
e
de
te
ct
io
n
3V3
Regulator
+5V
Regulator
adjustable
regulator
Vadjust
BATT+
BATT_TEMP
+
-
9V
Power
supply
Power
remote
control
EMC
V.24
RS232
EMC
V.24
RS232
10 pole
test points
PD
VL
VL
PD
+5V
+5V
VL
2V9
DAI-interface
6V6
Lu
m
be
rg
(1
2 p
ole
)
DTR0_OUT
IGT
IGT
EMERGOFF
9 pole
D-Sub
9 pole
D-Sub
minV
nomV
IGT
EMERG-
OFF
18 LEDs
LED-driver
VL
COM 1
COM 2
DAI
interface
Audio
interface 1
(Handset)
Battery
Board to
board
50 pole
MICx1 EPx1
MICx2,EPx2
ASC0
ASC1
Remote
BATT+
-
ACCU+
CHARGE
RING0,
DSR0
To GSM
engine
35
15
15mF
VL
CHARGE_LED
PD
CHARGE-LED
Charger
circuit
4
4
4
4
3
4
8
7
3
4
2
1
6
5
2
2
2
Audio
interface 2
Charger
20
33
5
5
20
external
internal
BATT+
5
5
BATT+
4
3
2
RF
(Hirose)
RF
(SMA)
VDDLP
100µF
RTC supply
2V
9
BAT
T
+
SYN
C
POWER
POWER
2x100n
C519,520
3V3
CTS1_
POWER-
OFF
EMERG-/
POWER-
OFF
PD
2V9
CCVCC
SIM holder
CCIN
X505
X506
X604
X605
X503
X5
01
X507
X504
X1
50
X153
V301-317,V415
X152
X101-120
X141
X131
V401
V403
N602
N501
N601
X609-614
D701,702
S601
X133
V6
09
,6
1
2
V604
R501,504
D204
X121,122
D201,203
V201
D202
C101
X127-130
C613-615
X123-126
X6
03
X2
01
X2
02
X2
03
X6
02
D301,302, V617
3V3
X
502
6V6
Casing
ground
X132
Application switches
EMC
EMC
EMC
Figure 2: Block diagram