SMX2-XXX-5 Radiometrix, SMX2-XXX-5 Datasheet - Page 6

• Manufacturer Part Number: SMX2-XXX-5
• Description: Small Multi-channel UHF Transceiver
• Manufacturer: Radiometrix

Application circuits
Radiometrix Ltd
RF GND
Figure 4: SMX2 interfaced to host microcontroller and serial port for configuration
RF GND
RF GND
SMX2
SMX2
Figure 6: SMX2 interfaced to serial port (+10V / -10V RS232 level)
Figure 5: SMX2 interfaced to PC serial port (0V / 5V RS232 level)
MOD RXD (5a)
MOD RXD (5a)
MOD TXD (6a)
MOD TXD (6a)
PGM (7a)
Vcc (2a)
RXD (5a)
RSSI (1a)
TXD (3a)
TXE (6a)
AF (4a)
0V (1b)
S0 (2b)
S1 (3b)
S2 (4b)
PGM (7a)
PGM (7a)
Vcc (2a)
Vcc (2a)
RSSI (1a)
RSSI (1a)
TXD (3a)
TXD (3a)
AF (4a)
0V (1b)
AF (4a)
0V (1b)
S0 (2b)
S1 (3b)
S2 (4b)
S0 (2b)
S1 (3b)
S2 (4b)
Test point
1200 bps
1200 bps
2400 bps
SETMOD
SMX2 Data Sheet
1k
1k
TX
2K2
(for 5V)
RX
1k
SW1
SW1
5K
TXD
RXD
TX/RX
Parallel
Channel
Select
MAX232
ADC
16 (+5V)
Vdd
Vss
2K2
(for 5V)
regulator
PC serial port
PC serial port
3V
6
7
8
9
5 - 16V
5 - 16V
6
7
6
7
4
5
8
9
8
9
1
2
3
4
5
4
5
1
2
3
1
3
2
TXD
SGD
4.2-16V
SGD
SGD
RXD
TXD
RXD
TXD
page 6