XW-HTD640
70
1
2
4
1
2
3
4
C
D
F
A
B
E
Controller
Controller
Audio
Audio
Processor
Processor
Diversity
Diversity
Control
Control
ECC Engine
ECC Engine
Jitter
Management
RF
RF
I/O
I/O
RF FE
Audio
Audio
IO
IO
DAC
Data/Clocks
Antenna Control
DEMOD Out
EEPROM
SOFT KEYS
FS21
Rx
Controller
Controller
Audio
Audio
Processor
Processor
Diversity
Diversity
Control
Control
ECC Engine
ECC Engine
Jitter
Management
RF
RF
I/O
I/O
RF FE
Audio
Audio
IO
IO
DAC
Data/Clocks
Antenna Control
DEMOD Out
EEPROM
SOFT KEYS
FS2105Rx
FS2105RX (RX Module : IC2)
• DSP for Receiver
Blockdiagram
Pin Assignment
FS2105RX
Receiver Rev A01
64-pin LQFP
CL
K
IN
LR
S
E
L
ANT
-F
O
R
C
E
CL
K
OUT
GN
D
GN
D
GN
D
VC
X
O
4
VC
X
O
3
VC
XO2
VC
X
O
1
NC
PL
L
_
D
A
T
A
PL
L
_
CL
K
PL
L
_
L
E
E
AN
TE
NN
A
I
RE
SE
T
N
VO
L
U
P
VO
L
D
O
W
N
E
RRO
RO
U
T
PD
RE
A
D
Y
ID
R
X
R
FSCA
N
M
O
D
E
EE
P
R
O
M
CH
A
N
NE
LS
C
A
N
TE
S
TN
EDO
RVKEY1
RVKEY2
RVKEY3
RVKEY4
EDI
ESK
ECS
VC
C
VC
C
VCC
VCXO8
VCLKIN
VCXO7
VCXO6
VCXO5
RESERVED
RFIN
GND
PCLKOUT
GND
READYI _ERRORI
GND
GND
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
37
33
34
35
36
38
39
40
41
42
43
44
45
46
47
48
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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9
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9
4
2
9
8
TEL 13942296513
9
9
2
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9
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2
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8
0
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1
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1
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3
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TEL 13942296513 QQ 376315150 892498299
