Users manual
Appendix A
Revision #:
A
Date:
07-14-15
Page
4
of
58
1
Communication Specification
Signal Lines used:
TXD, RXD
Flow Control:
None
System:
Full Duplex Asynchronous
Speed:
Configurable, Default 38400 bps (*1)
Start Bit:
1 bit
Data Length:
8 bits
Stop Bit:
1 bit
Parity Bit:
None
Data Output Interval:
1 second
Character Codes used: NMEA-0183 Ver.4.10 data based
ASCII code (*2) Protocol: Input data
NMEA Standard
sentence NMEA
Proprietary
sentence
Output data
NMEA Standard
sentence NMEA
Proprietary
sentence
Note 1: Communication speed can be changed into 4800, 9600, 19200, 38400, 57600
or 115200 bps.
Please refer to section “UART1 – Serial Communication Port” for how to
configure the communication speed. In case of using low baud rate, please
adjust size of output sentence by NMEAOUT command and CROUT command
to output all sentence within one second.
Note 2: ”NMEA 0183 STANDARD FOR INTERFACING MARINE ELECTRONIC DEVICES
Version 4.10” (NATIONAL MARINE ELECTRONICS ASSOCIATION, June, 2012)
