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MLX71122 Datasheet(PDF) 8 Page - Melexis Microelectronic Systems

Part # MLX71122
Description  300 to 930MHz FSK/FM/ASK Receiver
PDF  59 Pages
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Manufacturer  MELEXIS [Melexis Microelectronic Systems]
Direct Link  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX71122 Datasheet(HTML) 8 Page - Melexis Microelectronic Systems

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MLX71122
300 to 930MHz FSK/FM/ASK Receiver
Datasheet
REVISION 014 – AUGUST, 2016
Page 8 of 59
390 10 71122 01
1.4. Enable/Disable in ABC Mode
ENRX
Description
0
Shutdown mode
1
Receive mode
Pin ENRX is pulled down internally. Device is in shutdown by default, after power supply on.
If ENRX = 0 and SPISEL = 1 then operating modes according to OPMODE bit (refer to control word R0).
If ENRX = 1 then OPMODE bit has no effect (hardwired receive mode).
1.5. Demodulation Selection in ABC Mode
MODSEL
Description
0
FSK demodulation
1
ASK demodulation
Pin MODSEL has no effect in SPI mode (SPISEL = 1). We recommend connecting it to ground to avoid a
floating CMOS gate.
1.6. Programming Modes
SPISEL
Description
0
ABC mode (8 channels preconfigured)
1
SPI mode (programming via 3-wire bus)
1.7. Preconfigured Frequencies in ABC Mode
A
B
C
Receive Frequency
0
0
0
FSK1: 369.5 MHz
0
1
0
FSK5: 388.3 MHz
1
0
0
FSK2: 371.1 MHz
1
1
0
FSK4: 376.9 MHz
0
0
1
FSK3: 375.3 MHz
0
1
1
FSK7: 394.3 MHz
1
0
1
FSK6: 391.5 MHz
1
1
1
FSK8: 395.9 MHz



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