NavSpark PX1172R, Начало работы

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Interface of RTK EVB (2/3)
NAME DESCRIPTION
USB_1
USB port for NMEA out, RTK correction & binary command in, 115200
USB_2
Not Used
RTK_STAT_R
Not Used
RTK_STAT_B
Status signal
Low : RTK Fix for Positioning
Blink : RTK Float for Positioning
High : otherwise
1PPS
One
‐
pulse
‐
per
‐
second (1PPS) time mark output, 3.3V LV
‐
TTL. The rising
edge synchronized to UTC second when getting 3D position fix. The pulse d
uration is about 100msec at rate of 1 Hz.
VDD33
3.3V power input
GND
Ground