Advertisement
Definition of Pin assignment
VCC_IN
This is the main DC supply for a 3.3V +- 5% DC input power module board.
GND
GND provides the ground for digital part.
BOOTSEL
Set this pin to high for programming flash.
RXA
This is the main receiver channel and is used to receive software commands to
the board from SIRFdemo software or from user written software.
PS: Pull up if not used.
RXB
This is the auxiliary receiving channel and is used to input differential
corrections to the board to enable DGPS navigation.
PS: Pull up if not used.
TXA
This is the main transmitting channel and is used to output
navigation and measurement data to SiRFdemo or user written software.
TXB
For user's application (not currently used).
RF_IN
This pin receiver signal of GPS analog .due to the RF characteristics of the
signal the design has to certain criteria. The line on the PCB from the
antenna(or antenna connector) has to be a controlled microstrip line at 50
PPS
This
pin
provides
which
is synchronized to GPS time. This is not available in Trickle Power
mode.
one
pulse-per-second
output
from
the
board,
Advertisement
