Subscribe to Our Youtube Channel
Related Manuals for unicore UM680A
Summary of Contents for unicore UM680A
- Page 1 HARDWARE REFERENCE DESIGN WWW.UNICORE.COM UM680A Automotive Grade GNSS High Precision RTK Positioning Module Copyright© 2009-2024, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Information, such as product specifications, descriptions, features and user guide in this manual, are subject to change by Unicore at any time without prior notice, which may not be completely consistent with such information of the specific product you...
- Page 3 Should you purchase our product and encounter any inconsistency, please contact us or our local authorized distributor for the most up-to-date version of this manual along with any addenda or corrigenda.
- Page 4 UM680A Hardware Reference Design Foreword This document describes the hardware reference design of Unicore UM680A module. Target Readers This document applies to technicians who are familiar with GNSS receivers.
- Page 5 Contents Block Diagram ................... 1 UM680A Peripheral Design ............... 2 Main Power VCC ......................5 Backup Power V_BCKP ....................5 Active Antenna Feed Circuit .................... 6 Reset Circuit ........................6 Appendix: Schematics of Reference Design ..........6...
- Page 6 UM680A Hardware Reference Design 1 Block Diagram Firebird II UM680A UART1/2 Interface EVENT Filter ANT1_IN RESET_N GNSS GNSS RTK_STAT CLOCK D_SEL TCXO Figure 1-1 UM680A Block Diagram SPI and I C are reserved interfaces. UC-08-M61 EN R1.0 Block Diagram...
- Page 7 2 UM680A Peripheral Design Connect the ANT_IN signal to the antenna, and note the 50 Ω impedance matching. Connect all the GND pins to the ground. Leave the IO pin open if not used. Recommended to add TVS anti-surge protection at the input of the module. Add ...
- Page 8 UM680A Hardware Reference Design UM680 A Module Figure 2-1 UM680A Peripheral Design UC-08-M61 EN R1.0 UM680A Peripheral Design...
- Page 9 The GND pads at the bottom of the module should be grounded to ensure heat dissipation. Figure 2-2 UM680A GND Pads UM680A Peripheral Design UC-08-M61 EN R1.0...
- Page 10 500 ms. Backup Power V_BCKP When using the hot start function of the module UM680A, you need to provide backup power for the module. The input range of V_BCKP is 2.0 V to 3.6 V.
- Page 11 Connect the ANT_IN signal to the antenna, and note the 50 Ω impedance matching. Figure 2-3 Antenna Feed Circuit Reset Circuit UM680A supports system reset. The pin RESET_N is active low and the active time should be no less than 5 ms. 3 Appendix: Schematics of Reference Design Appendix: Schematics of Reference Design UC-08-M61 EN R1.0...
- Page 12 UM680A Hardware Reference UM680 A Module UC-08-M61 EN R1.0 Appendix: Schematics of Reference Design...
- Page 13 和芯星通科技（北京）有限公司 Unicore Communications, Inc. 北京市海淀区丰贤东路 7 号北斗星通大厦三层 F3, No.7, Fengxian East Road, Haidian, Beijing, P.R.China, 100094 www.unicore.com Phone: 86-10-69939800 Fax: 86-10-69939888 info@unicorecomm.com www.unicore.com...
Need help?
Do you have a question about the UM680A and is the answer not in the manual?
Questions and answers