CR-105
GPS Module series
THE PRO NAME IN GPS
HOLUX Technology, Inc.
1F, No.30, R&D Road, Hsinchu 300, Taiwan (Hsinchu Science Industrial Park)
TEL: 886-3-6687000 FAX:886-3-6687111 E-mail:[email protected] http:www.holux.com.tw
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4
User Interface
CR-105 provides 2-wire digital UART port for communication of GPS position data
using NMEA protocol or MTK extension protocol. UART port is capable of 4800 to
115200 baud rate.
4.1 Protocol
CR-105 is default to support standard NMEA-0183 protocol. In addition, a series of
MTK extensions (PMTK messages) have been developed that can be used to provide
extended capabilities common to many applications.
4.2 NMEA Protocol
CR-105 is capable of supporting following NMEA formats:
NMEA RECORD
Description
GGA
GPS fix data
GLL Geographic
GSA
GNSS DOP and active satellite
GSV
GNSS Satellites in view
RMC
Recommended minimum specific GNSS data
VTG
Course Over Ground and Ground Speed
ZDA Time&Data
