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8. Block Diagrams
8-1
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T
ransceiver
CSP
PAM
MI
N
LNA
IN
RF
_
B
B
IF
PAM
IF
RF
IF
Synt
hesizer
OSC 26M
SIM_I
F
Po
we
r
M
ana
ge
me
nt
Dr
ivers
RF
I
F
DS
P
IF
RF Block
Ena
b
le
DAI
Aud
io IF
Sound Generator
B/B Chip
MC
I
Po
we
r
DS
P ME
M I
F
Se
ria
l ctr
l
S
y
stem clk
RTC
Ke
y Pa
d IF
C
o
re
memory IF
Crystal
32
.768
Cha
rging IC
Ke
y P
a
d
LC
D
Modu
le
LCD
drive
r IC
Memo
ry
128
M Flash
32M SRAM
Dua
l Audio
Switch
DCS
GS
M
VBA
T
S
E
R
_
CTRL
TX
Q_I/O
TX
I_I/
O
A
F
C
TX_EN
, TX_PWR,TX_BAND_SEL
RF_E
N
SIM
A
[0:
8]
CT
RL
D[0
:15
]
1.8V
CORE
, 2
.9V
DIG
CTRL
L
CD_D[
0:7]
LC
D
_
EN
LE
D+
LE
D-
EA
R
SP
K
D[
0:15
]
ctr
l
A[1
:23]
SDS
_
TX
D
SD
S_
R
X
D
JIG
O
N
13
M CLK
2
6
M_
O
U
T
CLK
13M
CLK
13
M_M
C
CLK
13M
_
TR
VBAT
VBAT
VBAT
VBAT
AO
UTB
P
/N
A
O
UTAP
/N
VCCD
_1.8V
VCCA
_2.9V
VCCD
_2.9V
VCCB
_2.9V
VRTC
_3V
VRTC
_3V
VCCD
_1.8V
VCCD
_2.9V
VCCD
_1.8V
VCCD
_2.9V
VCCD
_2.9
V
VBAT
VRF_
2.9v
VRF_
2.9v
VBA
T
ANAL
OG
MULTIPLEX
D
T
R_EARS
WITCH
,
DS
R_
EAR
M
IC
N
,
CTS
_
EA
RM
IC
P ,
RTS
_
AOUTBN
EA
RSW
ITCH
,
EA
RM
ICN ,
E
A
RM
ICP
,
AOU
T
BN
DTR ,
DSR
, CTS
, RTS
,
GS
M
DCS
20
Pin
IF Conne
ct
or
Dual
Audio
Switch
AMP
Si4702 (Radio Chip
)
Summary of Contents for SGH-B200
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