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GPS SiRFstarIV Evaluation Kit EVA2200-A for GPS Receiver Module A2200-A User Guide

6 Design-in Support

The EVA2200-A Evaluation board offers the possibility to implement the A2200-A
GPS receiver module temporarily into your design by using the terminal block with 15
connections. To operate the EVA2200-A via this terminal block, please check

“Table

3: Switch settings

”.

Please note:

•

VCC power input is

not

protected against reversed polarity

•

External supply has to be within the range of 3.3 to 3.6 VDC

6.1 Terminal Block

The terminal block offers direct access to the A2200-A GPS receiver pins.

Pin

Port

EXTInt

(

ExtInt2/gpio8

)

I2C_CLK

I2C_DIO

G_4

(EXTInt)

nRst

(reset)

1V8

(out)

Pin

9 10

Port

G_6

(gpio6)

G_7

(gpio7)

TX RX

G_2

(gpio2)

G_3

(gpio3)

WAKEUP

(operational

mode)

1PPS

(Pulse Per Sec-

ond)

GND

Table 2: Terminal block description

Figure 14: Terminal block

Summary of Contents for SiRFstarIV EVA2200-A

Page 1: ...GPS SiRFstarIV Evaluation Kit EVA2200 A for GPS Receiver Module A2200 A User Guide Part Number PMD 00027 Revision A November 2019 ...

Page 2: ...nc 7535 Irvine Center Drive Suite 100 Irvine CA 92618 USA Toll Free 800 526 8766 Phone 949 453 3990 Fax 949 453 3995 Technical Support Online www lantronix com support Sales Offices For a current list of our domestic and international sales offices go to the Lantronix web site at www lantronix com about us contact Disclaimer All information contained herein is provided AS IS Lantronix undertakes n...

Page 3: ...ilable at http www gnu org licenses The Python License is available at http cmpt165 csil sfu ca Python Docs license html Your use of each Open Source component or software is subject to the terms of the applicable license OPEN SOURCE SOFTWARE IS DISTRIBUTED WITHOUT ANY WARRANTY INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SEE THE APPLICABLE LICENSE AGREEMEN...

Page 4: ...3 Potential Problems with Windows 13 3 1 Ballpoint Mouse 13 3 2 Missing Graphics 13 4 Board Overview 15 5 On Board Peripherals 16 5 1 ON and RESET Push Button 16 5 2 Antenna Connector 16 5 3 LEDs 17 6 Design in Support 18 6 1 Terminal Block 18 6 2 DIP Switch Settings 19 6 3 ICC Jumper 19 7 NMEA Port 20 8 Shutdown Sequence 21 9 Board Schematics 22 10 Related Information 24 10 1 Related Documents 24...

Page 5: ...t COM Port Setting window 11 Figure 7 GPS Cockpit NMEA terminal with NMEA data 12 Figure 8 Disabling of Microsoft Serial BallPoint 13 Figure 9 GPS Information window without and with clock 13 Figure 10 Color quality within Display Properties 14 Figure 11 Board overview 15 Figure 12 Antenna connector 16 Figure 13 EVA2200 A LEDs 17 Figure 14 Terminal block 18 Figure 15 DIP switches picture turned by...

Page 6: ...S SiRFstarIV Evaluation Kit EVA2200 A for GPS Receiver Module A2200 A User Guide 6 List of Tables Table 1 LEDs function and description 17 Table 2 Terminal block description 18 Table 3 Switch settings 19 ...

Page 7: ...an example how to integrate the module into a system The schematic in chapter 1 Board Schematics is a basic example of how to integrate the GPS module into an application or system To support an easy temporary design in The signals provided on the Evaluation Kit allow direct integration into a sur rounding system making it an ideal development tool The EVA2200 A can especially demonstrate that an ...

Page 8: ...SiRFstarIV Evaluation Kit EVA2200 A for GPS Receiver Module A2200 A User Guide 8 Figure 1 Evaluation board EVA2200 A Figure 2 Active GPS antenna with SMA connectors Figure 3 USB cable with A B type connectors Figure 4 CD ...

Page 9: ... The complete order number for the EVA2200 A is EVA2200 A The board will always be shipped with latest part number Information on sales channels can be found on Lantronix s web page 1 4 Handling Precautions The EVA2200 A contains components that are sensitive to electrostatic discharge ESD Please handle with appropriate care ...

Page 10: ...h a warning Figure 5 Windows driver installation warning 3 Connect the included active GPS antenna to the antenna connector of the EVA2200 A make sure that the antenna has a good view to the sky 4 Make sure all DIP switches are in ON position except for the G_7 DIP switch which must be in OFF position 5 To start the GPS Cockpit software which visualizes the NMEA output data coming from the GPS rec...

Page 11: ...choosing Port Number in the Settings menu In both cases the following window will appear Figure 6 GPS Cockpit COM Port Setting window Choose the COM port to which the GPS receiver is connected verify in your system settings device manager which communication port is used for this USB serial connection in our example COM11 at 4800 baud default setting for the EVA2200 A make sure that the On Off box...

Page 12: ...inal window button You will see no messages 8 In order to start the module you need to push the ON button of the evaluation board Then only you will see messages like this Figure 7 GPS Cockpit NMEA terminal with NMEA data Now you can start using all the other windows and features of GPS Cockpit Please refer also to the GPS Cockpit manual and the online help within GPS Cockpit ...

Page 13: ...e nRST button once The module will stop to transmit data To fix the problem you will find the device under Mice and other pointing devices Use a right click to open the sub menu and disable the device Figure 8 Disabling of Microsoft Serial BallPoint Afterwards you will be able to continue in a normal way Don t forget to push the ON button again to receive NMEA data 3 2 Missing Graphics In case you...

Page 14: ...PS Receiver Module A2200 A User Guide 14 So please make sure that the Color quality within the Display Properties is set to Highest 32 bit Display Properties can be invoked by a right click on your desktop and selecting Proper ties Figure 10 Color quality within Display Properties ...

Page 15: ... Module A2200 A User Guide 15 4 Board Overview The following picture shall give an overview on the complete evaluation board EVA2200 A It explains the most important components and can be used as a ref erence for the next paragraphs Figure 11 Board overview ...

Page 16: ...button must be used as well in other cases e g in order to request a position when in SiRFawareTM state or to go to hibernate mode and wake up again The nRST button is used to get a full reset of the GPS module All parameters are stored in non volatile memory After pushing this button the module starts again from the beginning 5 2 Antenna Connector The A2200 A supports one antenna input Both activ...

Page 17: ...iption D3 TX Transmit Serial data traffic from GPS receiver D2 RX Receive Serial data traffic into GPS receiver D6 1PPS Timing 1PPS signal at rising edge 1 pulse per second duration 500 ms typ D5 ON ON ON after Reset position request during PTF cycle and in SiRFaware mode the LED visualizes the ON pulse D1 WAKEUP Operational state HIGH Full operation LOW Module in a low power mode D4 POWER Power V...

Page 18: ...ase check Table 3 Switch settings Please note VCC power input is not protected against reversed polarity External supply has to be within the range of 3 3 to 3 6 VDC 6 1 Terminal Block The terminal block offers direct access to the A2200 A GPS receiver pins Pin 1 2 3 3 5 6 Port EXTInt ExtInt2 gpio8 I2C_CLK I2C_DIO G_4 EXTInt nRst reset 1V8 out Pin 7 8 9 10 11 12 13 14 15 Port G_6 gpio6 G_7 gpio7 T...

Page 19: ...minal block S1 VCC ON OFF S2 ON_OFF ON ON S3 G_3 ON OFF S4 G_2 ON OFF S5 RX ON OFF S6 TX ON OFF S7 G_7 OFF OFF S8 G_6 ON OFF Table 3 Switch settings 6 3 ICC Jumper Figure 16 ICC jumper As long as the VCC DIP switch is ON the ICC jumper is bridged By putting the VCC DIP switch to the OFF position the current draw of the A2200 A GPS receiver can be measured directly by connecting a low resistance me...

Page 20: ... Kit EVA2200 A for GPS Receiver Module A2200 A User Guide 20 7 NMEA Port Default setting 4800 baud 8 data bits no parity 1 stop bit no flow control Standard NMEA 0183 output on NMEA baud rate selectable Standard USB connectors ...

Page 21: ...n TTFF to fatal permanent corruption of flash memory code area The shutdown sequence can either be initiated by a command NMEA or binary or by toggling the ON_OFF pin It is strongly recommended to press the ON button before removing power from the evaluation board The shutdown is completed after maximum 1s Therefore the module should be at least supplied with voltage for that time after the shutdo...

Page 22: ...or pull the GPIO up right after reset by other means The ON_OFF input of the A2200 A needs to be connected to a push pull output of a microprocessor For a wake up including the initial one after power on a LOW HIGH transmission is mandatory The nRST pin of the A2200 A needs to be connected to an open collector open drain output of a microprocessor This is necessary to work with SiRFawareTM Pulling...

Page 23: ...9 Board Schematics GPS SiRFstarIV Evaluation Kit EVA2200 A for GPS Receiver Module A2200 A User Guide 23 Figure 18 EVA2200 A board schematics ...

Page 24: ...A for GPS Receiver Module A2200 A User Guide 24 10 Related Information 10 1 Related Documents GPS Receiver A2200 Lantronix SiRF_NEMA_Reference_Manual SiRF SiRF_OSP_Reference_Manual SiRF 10 2 Related Tools GPS Cockpit Lantronix SiRFLive SiRF ...

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