Rainbow Electronics MG260 - Manual (Page 50)

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)
Figure 18: GPS interface - Serial Links
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 protocol is RTCM, and NMEA protocol is available by software
configuration 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 - Transmit serial data