Feiyu Electronics Company
14 |
P a g e
GPS Receiver Connection (Pin Interface “I-1, I-2, I-3, I-4”)
The FY31AP GPS pin consists of this interface: GND, 3.3V voltage, TX0, TX0. The parameters
are:
•
Data bits: 38400
•
Interface Features: TTL level
•
Data bits: 8
•
Stop Bits: 1
•
Parity: None
Connect the above pins to the GPS Receiver.
Data Protocol
The GPS data protocol is a standard NEMA0183 and the statement must be $ GPRMC, $
GPGGA.
NOTE:
The pin “
I-
1,2,3,4
” of the FY31AP pin interface is for the GPS module power
supply. i.e. The FY31AP pin “
I
-3
” o3.3V of power via this pin.
DO NOT SUPPLY External Power to this pin
, or you will burn the FY-31AP board.
GPS Related Functions
a.
If GPS cannot fix the aircraft location (minimum 5 satellites), only
Mode 1
(Deactivated)
and
Mode 2 (Stabilized Mode)
will function. Mode 3 and Autopilot
will not be functional.
GPS Receiver pin
connection
