XW-HTD640
66
1
2
4
1
2
3
4
C
D
F
A
B
E
FS2105TX (TX Module : IC1)
• DSP for Transmitter
Blockdiagram
Pin Assignment
Controller
Controller
Audio
Audio
Processor
Processor
ECC Engine
ECC Engine
Jitter
Management
RF
RF
I/O
I/O
RF BE
Audio
Audio
In
In
ADC
Dat a /Clocks
MOD In
EEPROM
SOFT KEYS
FS 21 05 -Tx
Controller
Controller
Audio
Audio
Processor
Processor
ECC Engine
ECC Engine
Jitter
Management
RF
RF
I/O
I/O
RF BE
Audio
Audio
In
In
ADC
Dat a /Clocks
MOD In
EEPROM
SOFT KEYS
FS 21
-Tx
FS2105TX
Transmitter Rev A01
64-pin LQFP
CL
K
IN
AUD
IO
M
O
DE
1
AU
DI
OM
O
D
E
2
ID
TX
CL
K
O
U
T
GN
D
GN
D
CH
A
N
NE
LB
IT
0
GN
D
GN
D
NC
PL
L
_
D
A
T
A
PL
L
_
CL
K
PL
L
_
L
E
RFE
N
A
BL
E
PL
D
B
PL
D
A
PL
D
C
PL
D
D
RE
SE
T
N
VO
LU
P
VO
LD
OW
N
RE
A
D
Y
PD
E
RRO
RIN
EE
P
R
O
M
CH
A
N
NEL
S
E
L
TE
S
T
N
EDO
TVKEY1
TVKEY2
TVKEY3
TVKEY4
EDI
ESK
ECS
VC
C
VC
C
C0
C1
VCC
SRCDATAIN
LRNIN
PLDO2
PLDO1
SRCSCLK
RESERVED
GND
GND
CAL
READYI_ERRORI
GND
RFOUT
GND
AUDIOENABLE1
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
www. xiaoyu163. com
QQ 376315150
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4
2
9
8
TEL 13942296513
9
9
2
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9
4
2
9
8
0
5
1
5
1
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6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
