RoyalTek RGM-3600 Quick start guide

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RGM-3600 Operational Manual
RGM-3600 Operational Manual
Version 1.2
2008/05/02
This document contains information highly confidential to RoyalTek Company
LTD (RoyalTek). It is provided for the sole purpose of the business discussions
between supplier and RoyalTek and is covered under the terms of the
applicable Non-Disclosure Agreements. Disclosure of this information to other
parties is prohibited without the written consent of RoyalTek.
Prepared by RoyalTek Company LTD.
4F., No.188, Wen Hwa 2nd Rd., Kuei Shan,
Tao Yuan 333, Taiwan
TEL: [phone]
FAX: [phone]
http://www.royaltek.com/contact

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RGM-3600 Operational Manual
Content
1. Introduction ....................................................................... 3
2. RGM-3600 Picture ............................................................ 4
3. RGM-3600 System Block Diagram.................................... 5
4. RGM-3600 Technique Specification................................... 6
5. Mechanical Layout .......................................................... 10
6. Software Specification and NMEA Protocol ..................... 11
7. Package Specification and Order Information.................. 17
8. Revision History .............................................................. 17

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RGM-3600 Operational Manual
RoyalTek GPS Receiver: RGM-3600 Operational Manual
1. Introduction
Congratulation on your purchase of RGM-3600, offering diverse GPS (Global
Positioning System) applications. RGM-3600 represents the latest ingenious GPS
technology from the leading GPS receiver manufacturer.
Connecting to the notebook PC or Handheld PC implementing map or navigation
software, RGM-3600 helps you locate one or multiple objects, conduct personal &
vehicle navigation, and/or apply for geographical surveys.
Contents prepackaged with your RGM-3600 purchase:
1. RGM-3600
2. Companion CD
Product Features
 20 parallel channels.
 -159 dBm high GPS sensitivity.
 TCXO design.
 NMEA-0183 compliant protocol/custom protocol.
 Enhanced algorithm for navigation stability
 SBAS (WAAS, EGNOS and MSAS) support and the default SBAS is enable
 Lead-free
 Backup battery (installed)

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RGM-3600 Operational Manual
2. RGM-3600 Picture

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RGM-3600 Operational Manual
3. RGM-3600 System Block Diagram
System block diagram description:
a. Patch antenna with 1 Stage LNA
b. 4Mega bits flash memory on chip
c. 6pin I/O pin (pin 5, pin6 for internal)
LNA
SIRF
GSC3f/LP with 4M Flash
RF front
-end
+Base-band
Processor
TCXO XTAL
GPS Patch Antenna
6Pin I/O
SAW

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RGM-3600 Operational Manual
4. RGM-3600LP Technique Specification
No Function Specification
GPS receiver
1 Chipset SiRF GSC3f/LP
2 Frequency L1 1575.42MHz.
3 Code C.A. Code.
4 Channels 20.
5 Chipset Sensitivity -159dBm
6 Chipset cold start 35 sec @ open sky
7 Chipset warm start 35 sec @ open sky
8 Chipset hot start 1 sec @ open sky
9 Reacquisition 0.1sec typical
10 Position accuracy 10meters at 2D RMS.
11 Maximum altitude 18000 m
12 Maximum velocity 514 m/s
13 Trickle power mode Duty cycle ≦34%. (Variable)
14 Update rate Continuous operation: 1Hz
17 Testability It shall be able to be tested by SiRF test mode
IV
and single channel simulator.
18 Protocol setup
It shall store the protocol setup in the SRAM
memory.
Interface Description
19 I/O Pin 6 Pin
Pin1:RX Pin2:TX Pin3:GND Pin4:VCC
Pin5:NC Pin6: BOOT
Mechanical requirements
20 Dimension (L)48.4 mm * (W)48.4 mm * (H)15.1mm ±3mm
21 Weight ≦30g
Power consumption
22 Vcc DC 5V ±5%
23 Current TTL Version
Acquisition: 55mA (typical) Tracking: 50mA (typical)
RS-232 Version
Acquisition: 60mA (typical) Tracking: 55 mA (typical)

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RGM-3600 Operational Manual
24 SRAM backup battery 3.3mAhr Li-Ion rechargeable battery. Battery life at
full charge is ≥7 days.
Environment
25 Operating temperature -20 ~ +60℃
26 Storage temperature -20 ~ +60℃
27 Humidity ≦95%
Hardware Interface
Module Interface Pin Number:
(VDD=2.85V±2%)
Pin
#
Signal
Name
I/O Description Characteristics
1 RX I UART TTL: VDDVVDDV ILIH *3.0*7.0 ≤≥
RS-232 VVVV ILIH 6.04.2 ≤≥
2 TX O UART TTL: VDDVVDDV OLOH 25.0*75.0 ≤≥
RS-232 VVVV OLOH 55 −≤≥
3 GND G System Power
Ground
Reference Ground
4 VCC I System Power VCC:5V±5%
5 NC NC
6 Boot I Boot mode VDDVVDDV ILIH *3.0*7.0 ≤≥
．
．．
．VCC(5V DC power Input)
This is the main DC power supply input pin. That provides voltage to the
module.
．
．．
． GND
GND provides the reference ground
1. 2. 3. 4. 6.
5.

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RGM-3600 Operational Manual
．
．．
． RXA
This is the main receiver channel and is used for receiving software
commands to the board from SiRFdemo software or software written by
users themselves.
PS: Pull up if not used.
．
．．
． TXA
This is the main transmitting channel and is used for outputting navigation and
measurement data for SiRFdemo software or software written by users
themselves.
．
．．
． Boot
Set this pin to high for programming flash.
Cable connector
- 6Pin Male PS2 RS-232 Interface Pin Number:
- 6Pin Male PS2 TTL Interface Pin Number:

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RGM-3600 Operational Manual
- (Y cable) 9 pin D-SUB Interface Pin Number:
Table 2
Pin
NO
Signal Name I/O Description Characteristics
1 No connect
2 TX O Serial Data Output High: -3V ~ -15V
Low: +3V ~ +15V
3 RX I Serial Data Input High: -3V ~ -15V
Low: +3V ~ +15V
4 No connect
5 GND G Ground
6 No connect
7 No connect
8 No connect
9 No connect
- (Y cable) 6Pin Male PS2 Interface Pin Number:
- USB Interface Pin Number:
Pin # Signal Name
1 NC
2 NC
3 GND
4 VCC
5 NC
6 NC
Pin # Signal Name
1 Vbus (4.75-5.25volts)
2 D-
3 D+
4 GND
15
69
234
78
2
4
6
1
3
5

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RGM-3600 Operational Manual
5. Mechanical Layout
Unit：
：：
：mm

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RGM-3600 Operational Manual
6. Software Specification and NMEA Protocol
Software Specification
GPS Firmware [GSW3] GGA(1),GSA(1),GSV(5),RMC(1) 4800 GPS Firmware
GPS Utility - A GPS performance diagnostic utility is required
- C/NO, TTFF
WAAS - Enable
NMEA V3.0 Protocol
Its output signal level is TTL: 4800 bps (default), 8 bit data, 1 stop bit and no parity. It supports
the following NMEA-0183
Messages: GGA, GLL, GSA, GSV, RMC and VTG.
NMEA Output Messages: the Engine board outputs the following messages as shown in Table
1:
Table 1 NMEA-0183 Output Messages
NMEA Record Description
GGA Global positioning system fixed data
GLL Geographic position – latitude / longitude
GSA GNSS DOP and active satellites
GSV GNSS satellites in view
RMC Recommended minimum specific GNSS data
VTG Course over ground and ground speed
GGA-Global Positioning System Fixed Data
Table 2 contains the values of the following example:
$GPGGA, 161229.487, 3723.2475, N, 12158.3416, W, 1, 07, 1.0, 9.0, M, , , ,0000*18
Table 2 GGA Data Format
Name Example Units Description
Message ID $GPGGA GGA protocol header
UTC Position 161229.487 hhmmss.sss
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 Dddmm.mmmm
E/W Indicator W E=east or W=west

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RGM-3600 Operational Manual
Position Fix Indicator 1 See Table 2-1
Satellites Used 07 Range 0 to 12
HDOP 1.0 Horizontal Dilution of Precision
MSL Altitude 9.0 meters
Units M meters
Geoid Separation meters
Units M meters
Age of Diff. Corr. second Null fields when DGPS is not
used
Diff. Ref. Station ID 0000
Checksum *18
＜CR＞＜LF＞End of message termination
Table 3 Position Fix Indicators
Value Description
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode, fix valid
3 GPS PPS Mode, fix valid
GLL-Geographic Position –Latitude/Longitude
Table 3 contains the values of the following
Example: $GPGLL, 3723.2475, N, 12158.3416, W, 161229.487, A*2C
Table 3 GLL Data Format
Name Example Units Description
Message ID $GPGLL GLL protocol header
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 Dddmm.mmmm
E/W Indicator W E=east or W=west
UTC Position 161229.487 hhmmss.ss
Status A A=data valid or V=data not valid
Checksum *2C
＜CR＞＜LF＞End of message termination

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RGM-3600 Operational Manual
GSA-GNSS DOP and Active Satellites
Table 4 contains the values of the following example:
$GPGSA, A, 3, 07, 02, 26, 27, 09, 04, 15, , , , , , 1.8,1.0,1.5*33
Table 4 GSA Data Format
Name Example Units Description
Message ID $GPGSA GSA protocol header
Mode 1 A See Table 4-2
Mode 2 3 See Table 4-1
Satellite Used 07 Sv on Channel 1
Satellite Used 02 Sv on Channel 2
…. ….
Satellite Used Sv on Channel 12
PDOP 1.8 Position Dilution of Precision
HDOP 1.0 Horizontal Dilution of Precision
VDOP 1.5 Vertical Dilution of Precision
Checksum *33
＜CR＞＜LF＞End of message termination
Table 4-1 Mode 1
Value Description
1 Fix not available
2 2D
3 3D
Table 4-2 Mode 2
Value Description
M Manual-forced to operate in 2D or 3D mode
A Automatic-allowed to automatically switch 2D/3D
GSV-GNSS Satellites in View
Table 5 contains the values of the following example:
$GPGSV, 2, 1, 07, 07, 79, 048, 42, 02, 51, 062, 43, 26, 36, 256, 42, 27, 27, 138,
42*71$GPGSV, 2, 2, 07, 09, 23, 313, 42, 04, 19, 159, 41, 15, 12, 041, 42*41
Table 5 GGA Data Format
Name Example Units Description
Message ID $GPGSV GSV protocol header

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RGM-3600 Operational Manual
Number of
Messages1
2 Range 1 to 3
Messages Number1 1 Range 1 to 3
Satellites in View 07
Satellite ID 07 Channel 1(Range 1 to 32)
Elevation 79 degrees Channel 1(Maximum 90)
Azimuth 048 degrees Channel 1(True, Range 0 to 359)
SNR (C/No) 42 dBHz Range 0 to 99, null when not
tracking
…. ….
Satellite ID 27 Channel 4(Range 1 to 32)
Elevation 27 degrees Channel 4(Maximum 90)
Azimuth 138 degrees Channel 4(True, Range 0 to 359)
SNR (C/No) 42 dBHz Range 0 to 99, null when not
tracking
Checksum *71
＜CR＞＜LF＞End of message termination
1Depending on the number of satellites tracked multiple messages of GSV data may be required.
RMC-Recommended Minimum Specific GNSS Data
Table 6 contains the values of the following example:
$GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,*10
Table 6 GGA Data Format
Name Example Units Description
Message ID $GPRMC RMC protocol header
UTC Position 161229.487 hhmmss.sss
Status A A=data valid or V=data not valid
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
Speed Over Ground 0.13 knots
Course Over
Ground
309.62 degrees True
Date 120598 ddmmyy
Magnetic Variation degrees E=east or W=west

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RGM-3600 Operational Manual
Checksum *10
＜CR＞＜LF＞End of message termination
VTG-Course Over Ground and Ground Speed
Table 7 contains the values of the following example:
$GPVTG, 309.62, T, , M, 0.13, N, 0.2, K*6E
Table 7 VTG Data Format
Name Example Units Description
Message ID $GPVTG VTG protocol header
Course 309.62 degrees Measured heading
Reference T True
Course degrees Measured heading
Reference M Magnetic
Speed 0.13 knots Measured horizontal speed
Units N Knots
Speed 0.2 km/hr Measured horizontal speed
Units K Kilometer per hour
Checksum *6E
＜CR＞＜LF＞End of message termination

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RoyalTek
RGM-3600 Operational Manual
GPS Receiver User’s Tip
A. GPS signals are affected by weather and environmental conditions. It is
suggested to use the GPS receiver under less shielding environments to
ensure GPS receiver has better receiving performance.
B. When GPS receiver is in moving condition, it will prolong the time to fix the
position. It is suggested to wait for the satellite signals to be locked at a
fixed point when first power-on the GPS receiver before using.
C. The following situations will affect the GPS receiving performance:
i. Solar control filmed windows.
ii. Metal shielded, such as umbrella, or in vehicle.
iii. Among high buildings.
iv. Under bridges and tunnels.
v. Under high voltage cables and near by radio wave sources, such as
mobile phone base stations.
vi. Bad and heavy cloudy weather.
D. If the satellite signals can not be locked or have encountered receiving
problem (within the urban area), the following steps are suggested:
i. Plug the external active antenna into the GPS receiver and set the
antenna outdoor or on the roof of the vehicle for better receiving..
ii. Move to another open space or reposition the GPS receiver towards the
direction with fewer blockages.
iii. Move the GPS receiver away from sources of interference
iv. Wait until the weather condition has improved.
E. With a backup battery, the GPS receiver can fix a position immediately at next
power-on if the built-in backup battery is fully charged.

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RoyalTek
RGM-3600 Operational Manual
7. Package Specification and Order Information
- Color box (40pcs/carton)
- Honeycomb (160pcs/box)
- White box (40pcs/carton)

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RoyalTek
RGM-3600 Operational Manual
8. Revision History
Title RGM-3600 GPS Receiver
Doc Type Operational Manual
Revision
Number Date Author Change notice
1.0 2007/03/26 Amy.liu Initial Release
1.1 2007/05/15 Amy.liu Modify 4. RGM-3600LP Technique Specification - Chipset
Sensitivity、cold start、warm start、hot start
1.2 2008/05/02 Amy.liu
Modify company’s address、tel.、7. Package Specification and
Order Information, add 4. RGM-3600LP Technique
Specification cable connector type.
Contact Information Section
Contact: [e-mail]
Headquarter:
Address: 4F., No.188, Wen Hwa 2nd Rd., Kuei Shan, Tao Yuan 333, Taiwan
TEL: [phone]
FAX: [phone]
Web Site: http://www.royaltek.com
Web Site Customer Service: http://www.royaltek.com/contact