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SAMSUNG Proprietary-Contents may change without notice
3-1
3. Block Diagram
RF
&
IF
P
LL
VCTCX
O
19.68M
Hz
Mic
Receive
r
Unit
RF
Inte
rfa
ce
ARM7
TDMI
Ge
ner
al
Pe
rpo
se
Int
erf
ace
Vocode
r
EVRC 13K
UAR
T1
LCD
Modul
e
Key
Matrix
M
ode
Se
lect
Mem
ory
ROM
,RAM
Fl
ash
256K
EEPRO
M
Dupl
exer
824.
64~848
.37MHz
Fc=8
5.38MH
z
IF=
130.38
MHz
P.A.
Ante
nna
LNA
REGU
LATOR
3.0V
2.8V
2.5V
3.6V
BATTER
Y
869.
64~893
.37MHz
UART2
CDM
A
Pr
oce
sso
r
DFM
Pr
oce
sso
r
SBI
Int
erf
ace
MSM5
105
LPF
LPF
ADC
ADC
Quad.
Mod.
PL
L
Ta
nk
Circ
uit
RFT3
100
IFR3
000
955.
02~978
.75MHz
M
IDI
Tx
DA
C
s
US
B
Codec
JTAG
PC
Link
Ta
nk
Circ
uit
LPF