unicore UFirebirdII-UC6580 User Manual Download Page 7

Page: 7 / 17

EVK Introduction

UC-08-C43 EN R1.0

EVK Introduction

2.1

Block Diagram

GNSS

Connector

DC/DC

(LM22679)

LDO

(SGM2037)

3.8V

3.3V

Backup

Battery

VCC

V_BCKP

USB To UART

(FT232RL)

UART1

USB2-TypeC

USB To UART

(FT232RL)

UART2

USB1

UART

USB2

UART2

SPI

IIC_Slave

Test Point

RST Button

SPEED

FWD

GPIO

FB2S-EVK Bottom Board

GNSS_RST

USB1-TypeC

JTAG

Figure 2-1 Block Diagram of Bottom Board

GNSS

Connector

FB2S

(UC6580)

TCXO

(26M)

RTC

(32.768K)

FLASH

SQI

SAW

LNA

SMA

UART2

UART1

SPI

IIC_Host

IIC_Slave

VCC

V_BCKP

RF_IN

IIC_0

RST

1PPS

FWD
SPEED

GNSS Adapter

UART0

UART1

SENSER

(A+G/Barometer)

IIC_1

Figure 2-2 Block Diagram of GNSS Adapter

*: Supported later.

Summary of Contents for UFirebirdII-UC6580

Page 2: ...UC6580 EVK User Manual i Revision History Version Revision History Date R1 0 First release Apr 2023 ...

Page 3: ...y implied by estoppel or any other form the granting or transferring of Unicore rights and or interests including but not limited to the aforementioned trademark rights in whole or in part Disclaimer The information contained in this manual is provided as is and is believed to be true and correct at the time of its publication or revision This manual does not represent and in any case shall not be...

Page 4: ...ual iii Foreword This document describes the use of the UC6580 evaluation kit EVK for the function and performance test of the chip Target Readers This document applies to technicians who are familiar with GNSS receivers ...

Page 5: ... 2 Antenna Interface 5 3 3 Button 5 3 4 Communication Mode Selection 5 3 5 Status Indicator 6 3 6 GNSS Power Supply Interface 6 4 Positioning and Power Consumption Test 7 4 1 Positioning Test 7 4 2 Power Consumption Test 8 4 2 1 Power Consumption in Running Mode 8 4 2 2 Power Consumption in V_BACK Mode 10 5 Firmware Upgrade 11 6 Remark 11 ...

Page 6: ...kit EVK has two parts bottom board and GNSS adapter The bottom board connects to the GNSS adapter via the connector The EVK is mainly used in the function and performance test of the chip UC6580 for the convenience of the users 2 1 Figure 1 1 UC6580 EVK 1 Bottom Board 2 GNSS Adapter ...

Page 7: ...2 USB1 UART USB2 UART2 SPI IIC_Slave Test Point RST Button SPEED FWD GPIO FB2S EVK Bottom Board GNSS_RST USB1 TypeC JTAG Figure 2 1 Block Diagram of Bottom Board GNSS Connector FB2S UC6580 TCXO 26M RTC 32 768K FLASH SQI SAW LNA SMA UART2 UART1 SPI IIC_Host IIC_Slave VCC V_BCKP RF_IN IIC_0 RST 1PPS FWD SPEED GNSS Adapter UART0 UART1 SENSER A G Barometer IIC_1 Figure 2 2 Block Diagram of GNSS Adapte...

Page 8: ... directly connect it to the PC to communicate as well as supplying power 2 3 Configuration The bottom board provides many interfaces such as two USB interfaces a FWD signal SMA interface and a SPEED signal SMA interface And on the GNSS adapter there is the GNSS RF interface J4 the power interfaces VDDIO DCDC_IN V_BACK and the antenna feed interface VANT etc ...

Page 9: ...J16 3 SPI I2C Mode Selection J25 4 SPI I2C PPS Test Point 5 GNSS Antenna SMA Interface J4 6 Status Indicator 7 USB1 Interface COM1 J17 8 USB2 Interface COM2 J6 9 SPEED Signal Phase Selection J20 10 GNSS Reset Button K4 11 VDDIO Jumper J1 12 Backup Battery V_BACK Jumper J9 13 VDET Jumper J11 14 DCDC_IN Jumper J10 15 VQPS Jumper J8 16 Antenna Feed Jumper J3 ...

Page 10: ...the jumper J20 the signal is positive when pin 1 and 2 are connected and negative when pin 2 and 3 are connected The pin 1 and 2 are connected by default The antenna interface on the GNSS adapter is used to connect the GNSS antenna When you use an external active antenna you need to install the jumper cap to the J11 VDET jumper and J3 VANT jumper The antenna voltage is VDDIO 0 1V 3 3 Button On the...

Page 11: ... high level voltage 3 6 GNSS Power Supply Interface GNSS adapter has three power supply interfaces Symbol Description Pin 1 Pin 2 J1 VDDIO interface 3 3 V power supply from the bottom board VDDIO power supply interface J9 Backup battery interface V_BACK power supply interface J10 DCDC_IN interface DCDC_IN power supply interface Each interface has two pins Pin 1 is connected to the 3 3 V power on t...

Page 12: ... in a non occluded area 2 Connect the EVK to the PC through the USB interface Then the power indicator is on 3 Start the UPrecise on the PC select the correct port and baud rate 115200 to make sure the receiver is connected Then the positioning related information appears on the screen and in the situation of open sky the CN0 is normally above 40 Refer to UPrecise User Manual for more details Figu...

Page 13: ...ove the VDDIO and DCDC_IN jumper caps before power on 2 Use two test wires one end of which inserted to the VDDIO jumper and the other end connected to the multimeter see Figure 4 2 3 Do step 2 again with another two wires and a multimeter but insert the wires to DCDC_IN jumper 4 Turn the multimeters to current mode 5 Connect the EVK to the PC through the USB interface Then the EVK is powered 6 Co...

Page 14: ...power the adapter the power consumption is tested as follows 1 Remove the jumper caps of DCDC_IN J10 and VDDIO J1 2 Connect the positive end red of the external power device to the pin 2 of DCDC_IN J10 and VDDIO J1 Here you can use a one to two cable 3 Connect the negative end black to the GND 4 Connect the EVK to the PC through the USB interface Then the EVK is powered 5 Connect the signal source...

Page 15: ...t VDDIOcurrent and DCDC_INcurrent respectively 4 2 2 Power Consumption in V_BACK Mode To test the power consumption of V_BACK do the following steps 1 Remove the jumper caps of VDDIO and DCDC_IN 2 Use two test wires one end of which inserted to the VDDIO jumper and the other end connected to the multimeter 3 Do the steps 4 to 7 in section 4 2 1 1 again 4 Read the current values of V_BACKcurrent 5 ...

Page 16: ...d in section 4 1 2 Start the UPrecise 3 Click Receiver Upgrade to do the upgrade Refer to UPrecise User Manual for more details 6 Remark After connecting the PC if a confliction between the serial port and the mouse happens you can remove the serial enumerator in the advanced settings of the serial port property Figure 6 1 Removing Serial Enumerator ...

Page 17: ...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 unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com www unicorecomm com ...

Search results

Summary of Contents for UFirebirdII-UC6580

Reviews:

Related manuals for UFirebirdII-UC6580

Brands by name

Popular brands

unicore UFirebirdII-UC6580, User Manual

Search results

Summary of Contents for UFirebirdII-UC6580

Reviews:

Related manuals for UFirebirdII-UC6580

Brands by name

Popular brands