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Summary of Contents for Maestro A2035-H
- Page 1 GPS Receiver A2035-H A Description of Maestro’s GPS Antenna Receiver Module A2035-H User’s Manual Version 1.4...
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Page 2: Revision History
Revision History Rev. Date Description 07-05-11 First release 09-15-11 Updated Table 5: A2035-H electrical characteristics 11-11-11 Updated photo 03-01-12 Add Firmware Updates information 05-24-12 link to 1PPS application note and 1PPS timing accuracy re- marks added 07-25-12 Add 5Hz Navigation Update Rate... - Page 3 WIRELESS SOLUTIONS LIMITED. IT MAY NOT BE COPIED OR TRANSMITTED BY ANY MEANS, PASSED TO OTHERS, OR STORED IN ANY RETRIEVAL SYSTEM OR MEDIA, WITHOUT PRIOR CONSENT OF MAESTRO OR ITS AUTHORIZED AGENTS. THE INFORMATION IN THIS DOCUMENT IS, TO THE BEST OF OUR KNOWLEDGE, ENTIRELY CORRECT.
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Page 4: Table Of Contents
3.5.2 OSP MID 148 Command ....................17 3.5.3 NMEA MID 117 Command .....................17 3.6 Self-start Configuration..................18 4 Mechanical Outline ..................19 4.1 Details Component Side A2035-H ..............19 4.2 Details Solder Side A2035-H................20 5 Pin-out Information ..................21 5.1 Layout A2035-H ....................21 5.2 Description A2035-H Signals ................ - Page 5 9 Applications and Hints ..................28 9.1 Initial Module Start ..................28 9.2 Proper Shutdown and Power-On-Reset (POR) ..........28 9.3 SiRFaware Support ..................28 9.4 Push-to-Fix Mode .................... 28 9.5 Hibernate Mode....................29 9.6 Extended Ephemeris ..................29 9.7 TM_GPIO5 pin (1 pulse per second pin) ............29 9.8 5 Hz Navigation Update Rate ................
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Page 6: Introduction
(Please refer to “Power ONOFF Sequences and Power-On-Reset (POR) on A2100-AB Application Notes”)! 1.1 Feature Overview The A2035-H is based on the well-established A1035-H outline and offer new, out- standing features. Fast, responsive location experience o High-sensitive navigation engine with tracking down to -163dBm... -
Page 7: Rohs And Lead-Free Information
1.3 RoHS and Lead-Free Information Maestro’s products marked with the lead-free symbol either on the module or the packaging comply with the "Directive 2002/95/EC of the European Parliament and the Council on the Restriction of Use of certain Hazardous Substances in Electrical and Electronic Equipment"... -
Page 8: Label
1.4 Label The A2035-H label (size: 9.5 x 9.5 mm² ) contains the following information: Figure 1: A2035-H label The label is placed on the shield of the module. The data matrix code holds the product type, software version, software release, hardware release, factory code, year &... -
Page 9: Characteristics
A2035-H Weight 4.0 g, 0.14 oz Table 2: A2035-H dimensions and weight 1.6 Handling Precautions The GPS receiver module A2035-H is sensitive to electrostatic discharge (ESD). Please handle with appropriate care. V1.4 – Apr-13 User’s Manual Page 9 of 34... -
Page 10: Ordering Information
A2035-H for the A2035-H module. The “xxx” reflects the current firmware version. If no firmware version is noted in an order, the latest version will be provided. 2.2 Packing The A2035-H GPS modules come in a tape and reel package suitable for pick and place machines. Figure 2: A2035-H tape specifications (1) V1.4 –... - Page 11 Figure 3: A2035-H tape specifications (2) Figure 4: A2035-H tape specifications (3) One complete reel holds 700 A2035-H modules. There are 2 kinds of packaging for shipment: A: One box holds 1 reel Reel diameter: 38 cm Outer Box dimensions: 38.8 (W) x 38.8 (L) x 5.7 (H) cm Gross weight: 5.06 Kg...
- Page 12 B: One box holds 2 reels Reel diameter: 38 cm Outer box dimensions: 38 (W) x 38 (L) x 12.3 (H) cm Gross weight: 10.03 Kg Net weight: 8.26 Kg V1.4 – Apr-13 User’s Manual Page 12 of 34...
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Page 13: Additional Equipment
2.3 Additional Equipment EVA2035-H Evaluation Kit (including one module A2035-H) Table 3: Additional equipment A detailed description of the EVA2035-H Evaluation Kit can be found in the appro- priate manual. V1.4 – Apr-13 User’s Manual Page 13 of 34... -
Page 14: Quick Start
3 Quick Start In order to allow an easy and quick start with the A2035-H module, this chapter provides a short overview on the important steps to be taken to receive NMEA messages with position information on a serial port (UART). - Page 15 NOTE: Care must be taken to implement an orderly shut-down sequence along with supplying power for a certain period of time after initiating the shut-down sequence. Abrupt removal or drop of power while the module is running has risks ranging from minor impact on TTFF to fatal corruption of flash memory code area (Please refer to “Power ONOFF Sequences and Power-On-Reset (POR) on A2100-AB Application Notes”)! For completeness the following pictures show the use of an RS232 level shifter.
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Page 16: Antenna
We do recommend this type of procedure for firmware upgrade and it should be considered in the design before hand as it is necessary to connect the BOOTSEL pin of A2035-H. BOOTSEL pin is used to control the mode of operation on table below: BOOTSEL... -
Page 17: Osp Mid 148 Command
Firmware loaded with 4.1.0 and above could take advantage of this procedure. $PSRF117,32*0D<CR><LF> Note: Maestro highly recommends that all hardware designs provide access to the hardware bootstrap configuration input (pin) in case of failed flash upload. V1.4 – Apr-13 User’s Manual... -
Page 18: Self-Start Configuration
3.6 Self-start Configuration In order to minimize the GPIO required for operating A2035-H, WAKEUP (pin 4) and ON_OFF (pin 18) can be tied together for entering the self-start mode such that no ON_OFF pulse requires. The following picture shows the recommended connection for self-start configuration with UART host port enabled. -
Page 19: Mechanical Outline
4 Mechanical Outline 4.1 Details Component Side A2035-H All dimensions in [mm] / [(inches)] Figure 9: Mechanical outline component side A2035-H V1.4 – Apr-13 User’s Manual Page 19 of 34... -
Page 20: Details Solder Side A2035-H
16.51 (0.65) Solder pad size (outer pads): 1.0 x 0.8 Solder pad size (inner pads): 1.27 x 1.27 All dimensions in [mm] / [(inches)] Figure 10: Mechanical outline solder side A2035-H V1.4 – Apr-13 User’s Manual Page 20 of 34... -
Page 21: Pin-Out Information
5 Pin-out Information 5.1 Layout A2035-H Figure 11: Pin-out information (bottom view) A2035-H V1.4 – Apr-13 User’s Manual Page 21 of 34... -
Page 22: Description A2035-H Signals
SPI data out pin when module works in SPI mode RX0 / SPI DI Input Serial input 0. NMEA in if configured for UART; SPI data in pin when module works in SPI mode Table 5: Pin description A2035-H V1.4 – Apr-13 User’s Manual Page 22 of 34... -
Page 23: Electrical Characteristics
56uA Hibernate Status 25uA Table 6: A2035-H electrical characteristics (1) Peak searching current is characterized by millisecond bursts above average searching current (2) Average searching current is typically only the first two seconds of TTFF (3) Tracking current typically includes tracking and the post searching portion of TTFF 6.2 Absolute Maximum Ratings... -
Page 24: Dc Electrical Characteristics
6.3 DC Electrical Characteristics Symbol Parameter Unit TX0, WAKEUP Voh @ 4mA Vol @ 4mA 0.45 nRST For safe reset ON_OFF 1.35 -0.3 0.45 BOOTSEL 1.35 Table 8: DC electrical characteristics V1.4 – Apr-13 User’s Manual Page 24 of 34... -
Page 25: Mounting
7 Mounting This chapter describes the suggested mounting process for the A2035-H receiver modules. In a RoHS compliant product with a RoHS compliant process it is rec- ommended to use chemical tin as the counter-part to the module’s pins. This will guarantee highest resistance against shocks. -
Page 26: Recommended Profile For Reflow Soldering
Time 25° C to peak temperature 8 minutes max. Table 9: Reflow soldering profile A2035-H As results of soldering may vary among different soldering systems and types of solder and depend on additional factors like density and types of components on board, the values above should be considered as a starting point for further optimi- zation. -
Page 27: Quality And Reliability
High Temperature Operating Life +85C Vibration Variable Frequency Mechanical Shock Please contact Maestro for detailed information. 8.3 Production Test Each module is electrically tested prior to packing and shipping to ensure state of the art GPS receiver performance and accuracy. -
Page 28: Applications And Hints
(Please refer to “Power ONOFF Sequences and Power -On-Reset (POR) on A2100-AB Application Notes”). A controlled and orderly shutdown while the A2035-H is running in full power mode can be initiated by A 200ms pulse on the ON_OFF pin, ... -
Page 29: Hibernate Mode
GPS satellites. While the current date and time is transmitted in NMEA sentences (UTC), an exact and accurate timing signal is pro- vided via the 1PPS pin of the A2035-H GPS receiver. Under good signal conditions the 1PPS signal comes between 620ns and 710ns after the full GPS system second which is accurately (around 10ns) synchronized to UTC. -
Page 30: Hz Navigation Update Rate
10m position deviation ≈ 33ns 1PPS deviation (typically) 100m position deviation ≈ 333ns 1PPS deviation (typically) The NMEA messages containing absolute timing information (UTC time) are pro- vided around 300ms after the 1PPS signal typically. This may change with the GPS receiver setup. -
Page 31: Evaluation Kit Eva2035-H
For demonstration and easy evaluation of GPS performance Maestro offers an evaluation kit (including one GPS A2035-H module). It contains a USB interface with according drivers to connect easily to a PC. The USB interface is an extension of the serial port 0, therefore sending NMEA sentences and accepting commands. -
Page 32: Related Information
This manual was created with due diligence. We hope that it will be helpful to the user to get the most out of the GPS module. Any inputs regarding possible errors or mistakable verbalizations, and comments or proposals for further improvements to this document, made to Maestro, HongKong, are highly appreciated. Maestro Wireless Solutions Limited Add: Unit 3603-09,36/F.,118 Connaught Road West,HK... -
Page 33: List Of Figures
Figure 7: BOOTSEL application ................16 Figure 8: Self-start configuration A2035-H ............. 18 Figure 9: Mechanical outline component side A2035-H ......... 19 Figure 10: Mechanical outline solder side A2035-H ..........20 Figure 11: Pin-out information (bottom view) A2035-H .......... 21 Figure 12: Soldering footprint proposal A2035-H ........... -
Page 34: List Of Tables
13 List of Tables Table 1: A2035-H GPS characteristics ..............9 Table 2: A2035-H dimensions and weight ..............9 Table 3: Additional equipment ................13 Table 4: BOOTSEL operating mode ..............16 Table 5: Pin description A2035-H................22 Table 6: A2035-H electrical characteristics ............23 Table 7: Absolute maximum ratings ...............
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