User Manual

MG260 Product Specification
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2.7.2 GPS serials links
MG260 provides 1 serial links connected to the GPS baseband unit:
• GPS serial link: GPS_UART0
DTE
GPS_TXD0
GPS_RXD0
GPS
Serial Link
(UART0)
F igure 18: GPS i nterface - Serial Li nks
This 2-wire serial interface is a 3 V interface complying with V24
technical specifications.
In default configuration, this interface makes GPS NMEA frames available.
Default pr otocol is RTCM, and NMEA protocol is available by software
co nfig uration via GPS baseband.
Pin description
Signal Pin # I/O I/O type Description
GPS_RXD0 3 O
100k
pull-up
CT104 - Receive serial data
GPS_TXD0 4 I 2V8_ CMOS CT103 - Tr ansmit serial data