Semtech XE1401SK, User Manual

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© Semtech 2006 www.semtech.com
25
Users Guide
XE1401SK Hardware
6.2 IAR RADIOBOARD – CX72303
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
PL
L
_
L
O
C
K
S
PI_CLK_IN
S
PI_CLK_IN
SPI_EN_BAR
SYS_CLK_O
U
T
SLW_CL
K
_
O
U
T
S
P
I_
D
ATA_OUT
RX_DAT
A
TX_EN
S
P
I_
D
ATA_OUT
SYS_CLK_O
U
T
SPI_DATA
_
IN
TX_DATA RX_DAT
A
S
L
W
_
C
L
K_OUT
SPI_EN_BAR
RX
_
E
N
SPI_DATA
_
IN
TX_EN
SYNC_D
E
T
TX_DATA
P
W
R
_
RES_BAR
RX
_
E
N
P
W
R
_
RES_BAR
SYNC_D
E
T
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VC
C
1
8
VC
C
1
8
GND
GND
VC
C
1
8
VC
C
1
8
VC
C
1
8
GND
GND
GND
GND
VC
C
1
8
VC
C
1
8
VC
C
1
8
VC
C
1
8
VC
C
1
8
GND
GND
GND
GND
IAR Systems Jon
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Sheet n
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of
Friday, January 10, 2003
Z:\PROJECT\XEMICS\HW\SCHEMA\XE_RADIO_V10_D.DSN
D
Radio bo
a
rd
IAR-713 1
1
0
0
1
0
1
11
VCC
1
8
S
k
y
w
o
rks Radio
TM
P
o
wer on LED
C7 10
p
F
FL
1
F
IL
T
ER BP(2450 MHz)
1
3
4
2
T2 1
:4 BALUN
1 2
5 3 4
C9 220
p
F
R2 2k
7
C6
1
0
p
F
CR1 SM-LED Gree
n
1
2
L
4
6
.8 nH
+
C2
8
10uF/
6
V
C1
6
100
n
F
U1
CX72303
R
8
NC2
7
SPI_CLK_IN
24
MIX_VDD
2
NC1
1
D_SUB
30
LOOP_FILT_SW
15
PLL_VDD
16
DIV_TEST_OUT
17
VCO_TUNE
14
VCO_VDD
13
PA_OUTP
8
PA_OUTN
9
PA_VDD
10
MOD_REF
11
XTAL_B
19
SPI_EN_BAR
23
XTAL_VDD
20
SLW_CLK_OUT
21
SYS_CLK_OUT
22
SPI_DATA_IN
25
MOD_VDD
12
RX_DATA
29
TX_DATA
28
D_VDD_IO
27
SPI_DATA_OUT
26
LNA_VDD
3
NC
4
RF_INP
5
RF_INN
6
XTAL_A
18
D_VSS
31
D_VDD
32
RX_EN
33
TX_EN
34
PWR_RST_BAR
35
SYNC_DET
36
LPXO_OP
37
LPXO_IN
38
PLL_LOCK
39
RSSI_EN_OUT
40
RF_SWR
41
RF_SWT
42
IF_AVDD
43
BROSON
44
BROSOP
45
BROBEN
46
REGOP
47
REGPD
48
PADDLE
49
J1
H
E
A
D
E
R
15X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C1
2
1u
F
C5
1
0
p
F
R1 27K
J2
SMA An
te
n
n
a
c
o
n
n
e
c
to
r
GND
2
Antenna
1
GND
3
GND
4
GND
5
C8 10
p
F
C1
5
10
p
F
TP1
P
L
L_LOCK
JP
6
LED 1
2
C3 1
0
0nF
C1
1
1n
F
C1 10
p
F
L
1
3
.3 nH
L
2
3
.3 nH
C1
9
1u
F
C1
3
10
p
F
U2
UPG158TB
OUT1
1
OUT2
3
GND
2
Vcnt1
6
Vcnt2
4
IN
5
T1 1
:4 BALUN
1 2
5 3 4
A1 F
lexFilmAnt
S
1
G
2
C1
4
1u
F
1 2
3
JP
3
AN
T
_
S
E
L
Y1
13.000 MH
z
R3 100
C4 10
p
F
TP5
VC
C
1
8
C1
0
2
.2nF
FL
2
N
F
E
6
1
P
T
472C1H9L
1
2
3
+
C3
0
10uF/
6
V
Y2
3
2
.000kHz
C2
9
10nF
L
3
6
.8 nH
C1
8
1u
F
TP6
GND
C2 1u
F
15 pF capacitor for antenna type selection