RGPSD212 Semtech, RGPSD212 Datasheet - Page 19

• Manufacturer Part Number: RGPSD212
• Description: KIT EVAL FOR RGPSM202
• Manufacturer: Semtech
• Type: GPSr

Specifications of RGPSD212

• Contents: Interface Board, Module, Antenna, USB Cable, Software and Documentation CD
• For Use With/related Products: RGPSM202
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Example:
$PXEMSGS,12,-0.148,0.096,0.122*44
$PXEMRGS,a,12,-0.148,0.096,0.122*08 (response to set: a – action status: A = success; V
= failure)
see also Exhibit A for further examples
5.4.9
This sentence sets the receiver in Power Save mode. To go back to the Active mode, users should send any valid
NMEA sentence to the receiver. Do not toggle the ON/OFF pin to go to the Active Mode if a NMEA LP command is
used to switch to the Power Save mode
$PXEMaLP*hh
Example:
$PXEMSLP*4F (set)
$PXEMRLP,a*23
5.4.10
With this type of sentence, an API function call is passed thru the NMEA interface. This can be a query, set, and
response type of sentence.
$PXEMaTR,c..c,x..xx, .., x..x*hh
Example:
$PXEMQTR,SQCS*6E
$PXEMRTR,SQCS,NAV_OK,GPS Time of Week,Channel status for satellite 1, … Channel
status for satellite n*4F
The most useful TR types of proprietary NMEA sentences are listed below. See Exhibit B for detailed information on all
the API function calls
© Semtech 2005
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
LP – Power Save Mode
TR – Transparent Mode
Name
Message ID
<CR><LF>
Everest Brunei and E. Malaysia
Everest India 1830
Everest India 1956
Everest Pakistan
Everest W. Malaysia and Singapore 1948
Geodetic Reference System 1980
Helmert 1906
Hough 1960
Indonesian 1974
International 1924 & Hayford
Krassovsky 1940
Modified Airy
Modified Fischer 1960
WGS 1972
WGS 1984
(response to set: a – action status: A = success; V = failure)
(response to the channel status query)
Example
$PXEMaLP
(set)
Table 26 Ellipsoid models
Table 27 LP Data format
Units
19
6377298.556
6377276.345
6377301.243
6377309.613
6377304.063
6378137
6378200
6378270
6378160
6378388
6378245
6377340.189
6378155
6378135
6378137
End of message termination
Description
Proprietary LP protocol header, a-mode (S = set;
R = response)
300.8017
300.8017
298.3
300.8017
300.8017
300.8017
298.257222101
298.3
297
298.247
297
299.3249646
298.3
298.26
298.257223563
SlimGPS™ Receiver
RGPSM202
www.semtech.com