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Summary of Contents for NAVSYNC CW25
- Page 1 CW25 Demo Kit User Manual Issue: R00 Bulletin NS32-DK Revision Date 16 Feb 2009...
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Page 2: Table Of Contents
6.4 SMA Timing and Event-In Connectors 6.5 TNC Antenna Connector 6.6 External Clock Connector 6.7 Auxiliary Connector 6.8 JTAG Connector Appendix 1 Demo Board Schematic NS32-DK CW25 Demo Kit User Manual Page Date: 02/16/09 2 of 10 Copyright ©2009 NavSync Ltd. All Rights Reserved... -
Page 3: Introduction
1. Introduction The CW25 Demo Kit is a complete development platform for the CW25 GPS receiver (CW25). It is comprised of the CW25 Demo Board and peripherals that support its operation. The CW25 is a small size OEM module specifically designed for use in weak signal GPS environments and where there is a requirement for highly accurate timing. -
Page 4: General Specifications
3 General Specifications If not otherwise specified, all performance data refers to the CW25. Operating Specifications Parameter Typical Units Operating Temperature °C Power Supply Voltage (VDC) Power Consumption 0.62 UART Interfaces (x3) J1, J2, J3 D-SUB 9-WAY, RS232 Active Antenna Connector... -
Page 5: Interfaces
The Power-On Slide Switch, S1, enables the 3.3VDC Regulator. When power is connected to the board and S1 is in the ‘ON’ position, the yellow LED, D1 will be fully ignited. The Reset Push switch, SW1, is connected to the NPOR signal of the CW25 unit. This can be pushed to reset the CW25. 4.6 LED Indicators Power-ON LED, D1 This yellow LED is fully on when 3.3VDC is applied to the Board. -
Page 6: Timing Outputs
4.7 Timing Outputs 1PPS Output SMA, J5 - female standard socket. The 1PPS signal from the CW25 is available here. It is directly connected to Pin 38 through a 33 ohm resistor. A buffered 1PPS is also available on Pin 1 of each of the DB9 connectors. This signal can be inverted by selecting the ‘P2’... -
Page 7: Connector Pin Outs
DC Power in - (GND) 6.4 SMA Timing and Event-In Connectors J5 1PPS Connected directly to Pin 38 of the CW25 via a 33ohm resistor J6 Frequency Out Connected directly to Pin 39 of the CW25 via a 33ohm resistor... -
Page 8: External Clock Connector
6 Connector Pin outs continued 6.6 External Clock Connector J9- Not fitted on demo board, only used for special hardware builds of the CW25 6.7 Auxiliary Connector The pins on this non-fitted connector are directly connected to the CW25 J10 Auxiliary Connections... -
Page 9: Appendix 1 Demo Board Schematic
Appendix 1 Demo Board Schematic NS32-DK CW25 Demo Kit User Manual Page Date: 02/16/09 9 of 10 Copyright ©2009 NavSync Ltd. All Rights Reserved Specifications subject to change without notice. - Page 10 Revision Revision Date Notes 02/03/09 Release 02/16/09 Public Release North America NavSync, Ltd. Europe 2111 Comprehensive Drive Bay 143 Aurora, IL 60505, USA Shannon Industrial Estate Phone: 630.236.3026 Shannon, Co. Clare, Ireland E-mail: northamerica@navsync.com Phone: + 353 61 475 666 www.navsync.com...