Data Sheet

12
Version 1.1
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6.4 POWER and UART from/to the Module header pinout
Table 6 - J6 header pins
6.5 Synchronization signal from a GPS receiver
UTC 12:00:00m UTC 12:00:01
100 mS
PPS
1 Sec
Pin
Pin
Figure 7 – 1 pulse-per-second synchronization
signal from a
GPS receiver
Type
Name
Description
1 VCC
Power Out (+VCC)
VCC is combined power from three sources, USB,
Power-over-Ethernet or Lithium battery.
+3.3V coming form voltage regulator
supplied by VCC_RF
+3.3V power coming from the Pycom
module voltage regulator
Power Out (+VCC_RF)
Power Out (+VCC_MOD)
Input
2 VCC_RF VCC power controlled by RFPWR_EN signal
Power Out (+3V3)
3 +3V3
4 3V3_MOD
5 UART_RX
6 UART_TX Output
See J5 pin 2 description
See J5 pin 3 description
*Optional 1 pulse-per-second synchronization
signal from a GPS receiver.
Ground
Input
Power (GND)
7 GPS_IN
8 GND