RFM50 Datasheet, PDF (3/8 Pages) List of Unclassifed Manufacturers – MCU with 100mW 433/470/868/915 MHz ISM Band Transceiver Module

4. Pin Definition
8B
RFM50 V1.0
Figure 1. RFM50 Pin Definition(TOP VIEW)
definition
ANT
GND
GPIO2
Type
AI/ AO
G
DI/DO or AI/AO
P0.7
D I/O or A I
IREF0
P0.6
AO
D I/O or A I
CNVSTR DI
P0.5
D I/O or A I
RX
P0.4
DI
D I/O or A I
TX
P0.1
AGND
P0.3
DO
D I/O or A I
G
D I/O or A In
Function
RF signal input/output port, Connect 50 OHM antenna
Power ground
General Purpose I/O controlled by the RF22 periph-eral. May be configured
through the RF22 registers to perform various functions including: Clock Output,
FIFO status, POR, Wake-Up Timer, Low Battery Detect, TRSW, AntDiversity
control, etc. See the RF22 GPIO Con-figuration Registers for more information.
Port 0.7. See RF50 Port I/O section for a complete description.
IREF0 Output. See RF50 IREF section for complete description.
Port 0.6. See RF50 Port I/O section for a complete description.
External Convert Start Input for ADC0. See RF50 ADC0 section for a complete
description.
Port 0.5. See RF50 Port I/O section for a complete description.
UART RX Pin. See RF50 Port I/O section.
Port 0.4. See RF50 Port I/O section for a complete description.
UART TX Pin. See RF50 Port I/O section.
Port 0.1. See Port I/O Section for a complete description. Optional Analog
Ground. See VREF chapter.
Port 0.3. See RF50 Port I/O Section for a complete description.
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