FALCOM C2D-SI
VERSION 1.07
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5.4.3
DC input signals
VCC (Pin 58 and 60)
This is the main DC power supply for 3,3 V
powered board FALCOM C2D-SI. Connect both
pins.
VANT (Pin 59)
This pin is reserved for an external DC power
supply for an active antenna (e.g.: 5 V active
antenna). With a change of the PCB assembling
this pin can be activated.
Default: The GPS core in the FALCOM C2D-SI
has to be connected with active 3 V GPS
antenna with max. current of 20mA. The
antenna voltage is provided by the internal
power management
GND
GND provides the ground for the GPS core.
(Pins 43, 44, 46, 47 and 52) Connect all GND
pins.
5.4.4
General purpose input/output (Pin 51, 53, 54 and 56)
Several I/O’s of the CPU are connected to the hardware interface connector
of the FALCOM C2D-SI. They are reserved for customer specific
applications.
5.5
Software interface
The GPS core in the FALCOM C2D-SI supports NMEA-0183 and SiRF
binary protocols. A short description of these protocols are provided herein.
For more detailed information please refer to the SiRFstarII message set
specification available in the section “
service/manuals
” of the FALCOM
homepage.
5.5.1
SiRF binary data message
Hex
ASCII
Name
Description
0 x 02
2
Measured Navigation Data
Position, velocity and time
0 x 03
3
True Tracker Data
Not implemented
0 x 04
4
Measured Tracking Data
Satellite and C/No information
0 x 05
5
Raw Track Data
Not supported by SiRFstarII
0 x 06
6
SW Version
Receiver software
0 x 07
7
Clock Status
Current clock status