Linx Technologies RXM-900-HP3-xxx - Manual (Page 3)

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50-ohm RF Input
Analog Ground
No Connection
ANT
GND
Channel Select 0 CS0
Channel Select 1 /
Serial Select Clock
CS1 /
SS CLOCK
Channel Select 2 /
Serial Select Data
Received Signal
Strength Indicator
Mode Select
Voltage Input 2.8-13V
1V
P-P
Analog Output
Digital Data Output
NC
Power Down
(Active Low)
CS2 /
SS DATA
PDN
RSSI
MODE
V
CC
AUDIO
DATA
SMD Only No Connection
NC
PDN
470k
V
CC
4.7k
RSSI
V
CC
RF In
50 Ω
CS2
25k
µ
25k
µ
CS1
25k
µ
CS0
25k
µ
1
2-8
9
10
11
12
13
14
15
16
17
18
19-36
Pin # Name Equivalent Circuit Description
PIN DESCRIPTIONS
Figure 8: Pin Functions and Equivalent Circuits
PIN ASSIGNMENTS
ANT GND GND GND GND GND GND GND N/C CS0 CS1 / SS CLOCK CS2 / SS DATA PDN RSSI MODE VCC AUDIO DATA
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
ANT
GND
GND NC
NC
NC
NC
NC
NC
GND
GND
GND
GND
GND
NC
NC
1
2
3
4
5
6
7
8 29
30
31
32
33
34
35
36
NC
CS0
CS1 / SS CLOCK NC
NC
NC
NC
CS2 / SS DATA
PDN
RSSI
NC
NC
9
10
11
12
13
14 23
24
25
26
27
28
MODE
VCC
AUDIO NC
NC DATA
NC
NC
15
16
17
18 19
20
21
22
Figure 7: HP3 Series Receiver Pinout
Pin # Name Description
1 ANT 50-ohm RF Input
2-8 GND Analog Ground
9 NC No Connection
10 CS0 Channel Select 0
11
CS1 / SS
CLOCK
Channel Select 1 / Serial Select Clock. Channel Select 1
when in parallel channel selection mode, clock input for
serial channel selection mode.
12
CS2 / SS
DATA
Channel Select 1 / Serial Select Data. Channel Select 2
when in parallel channel selection mode, data input for
serial channel selection mode.
13 PDN
Power Down. Pulling this line low will place the receiver
into a low-current state. The module will not be able to
receive a signal in this state.
14 RSSI
Received Signal Strength Indicator. This line will supply an
analog voltage that is proportional to the strength of the
received signal.
15 MODE
Mode Select. GND for parallel channel selection, V
CC
for
serial channel selection
16 V
CC
Supply Voltage
17 AUDIO Recovered Analog Output
18 DATA
Digital Data Output. This line will output the demodulated
digital data.
19-36 NC No Connection (SMD only)
Surface-Mount Receiver Pinned Receiver