RFM75P Datasheet, PDF (5/26 Pages) List of Unclassifed Manufacturers – Low Power High Performance 2.4 GHz GFSK Transceiver

RFM75P V1.0
3 Pin Information
CE ¹
CSN 2
SCK 3
MOSI ⁴
MISO 5
NC CDVDD VDD VSS VDD
20
19
18
17
16
RFM75P
15 _VDD
14 VSS
13 RF
12 _NC
11 NC
6
7
8
9
10
IRQ NC
NC
XO
XI
Figure 2 RFM75P pin assignments (top view)
Name
GND
VDD
CE
CSN
SCK
MOSI
MISO
IRQ
TREN
PAEN
Pin Function
Ground
Power
Digital Input
Digital Input
Digital Input
Digital Input
Digital Output
Digital Output
Ground (0 V)
Description
Power Supply (3.3V to 4.2V DC)
Chip Enable Activates RX or TX mode
SPI Chip Select, Active low
SPI Clock
SPI Slave Data Input
SPI Slave Data Output with tri-state option
Maskable interrupt pin, Active low
Digital,Input
Digital,Input
1=TX Active
0=RX Active
1=Chip is Active,0=chip
is,Shut-,down
Table 1 RFM75P pin functions
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