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Doc. No: Unex-QSG-21-001

 

 

 

 

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A printed version of this document is an uncontrolled copy

 

© 2023 Unex Technology Corporation – Company Confidential

 

Document Number 

Unex-QSG-21-001 

Revision 

0.9 

Authors 

Nidor Huang 

 

 

 

Quick Start Guide 

for 

OBU-352 Family 

 

Product Variants 

Model 

Description 

OBU-352 

V2X On-Board Unit, 0A1 

OBU-352ED  DSRC-V2X On-Board Unit, V2Xcast

®

 - Europe ETSI ITS-G5 stack, 0A1 

OBU-352UC  C-V2X On-Board Unit, V2Xcast

®

 - US C-V2X stack, 0A1 

OBU-352UD  DSRC-V2X On-Board Unit, V2Xcast

®

 - US DSRC/WAVE stack, 0A1 

EVK-352 

V2X Starter Kit, 0A1 

EVK-352ED  DSRC-V2X Starter Kit, V2Xcast

®

 - Europe ETSI ITS-G5 stack, 0A1 

EVK-352UC  C-V2X Starter Kit, V2Xcast

®

 - US C-V2X stack, 0A1 

EVK-352UD  DSRC-V2X Starter Kit, V2Xcast

®

 - US DSRC/WAVE stack, 0A1 

 

Reviewers 

Department 

Name 

Acceptance Date 

Note 

PD 

Nidor Huang 

2023/07/10 

 

RD 

P.C Kang 

2023/07/10 

 

 

 

 

 

 

 

 

 

 

Modification History 

Revision 

Date 

Originator 

Comment 

0.1 

2021/08/23 

Nidor Huang  Creating document 

0.2 

2021/10/13 

Nidor Huang 

Adding product variants 
Adding product characteristics 
Adding dimensions and weight 
Adding EVK package content 

0.3 

2022/04/15 

Nidor Huang  Adding GNSS antenna detection mechanism 

0.4 

2022/07/13 

Nidor Huang  Adding tamper backup power description 

0.5 

2022/12/30 

Nidor Huang 

Updating product variants to 352 series 
Updating functional block diagram 

Summary of Contents for OBU-352 Series

Page 1: ...RC V2X Starter Kit V2Xcast Europe ETSI ITS G5 stack 0A1 EVK 352UC C V2X Starter Kit V2Xcast US C V2X stack 0A1 EVK 352UD DSRC V2X Starter Kit V2Xcast US DSRC WAVE stack 0A1 Reviewers Department Name A...

Page 2: ...pdating Unex BSP interface settings Updating product photos Adding V2X antenna detection function Updating maximum supply voltage 0 7 2023 03 08 Nidor Huang Updating Unex logo Adding GNSS reset in Une...

Page 3: ...aces 12 8 1 OBU 352 12 8 1 1 External Interfaces 12 8 1 2 Internal Interfaces 18 8 2 I O Conversion Board EVK 352 Series Only 24 8 2 1 Console 24 8 2 2 Ext GNSS 25 8 2 3 CAN0 25 8 2 4 CAN1 26 8 2 5 US...

Page 4: ...e 23 CAN1 terminator jumpers JP3 JP4 27 Figure 24 USB1 port CN2 27 Figure 25 GPIO headers J1 27 Figure 26 DC power jack 28 Figure 27 Reset button 28 Figure 28 Mechanical dimensions TOP 29 Figure 29 Me...

Page 5: ...ex Technology Corporation Company Confidential Table 17 Console pinout CN4 24 Table 18 Ext GNSS pinout CN6 25 Table 19 CAN0 pinout CN5 25 Table 20 CAN1 pinout CN7 26 Table 21 USB1 pinout CN2 27 Table...

Page 6: ...omer of the product Customer s sole and exclusive remedy and the entire liability of Unex under this limited warranty will be at Unex s option return for repair to Unex s repair center with freight an...

Page 7: ...p working area clean and dry while assembling installing When operating under extreme temperature conditions environmental control measures e g heating cooling should be considered It is suggested to...

Page 8: ...x QSG 21 001 8 30 A printed version of this document is an uncontrolled copy 2023 Unex Technology Corporation Company Confidential Figure 1 OBU 352 series package content Figure 2 EVK 352 series packa...

Page 9: ...A printed version of this document is an uncontrolled copy 2023 Unex Technology Corporation Company Confidential Figure 3 OBU 352 series complete assembly appearance 6 Functional Block Diagram Figure...

Page 10: ...N0_H J8 6 CAN0_L J8 16 CAN1_H J8 7 CAN1_L J8 17 4 If USB1_Vbus ON 25V if USB1_Vbus OFF 20V Note 1 Operation outside the Absolute Maximum Ratings may cause permanent device damage Absolute Maximum Rati...

Page 11: ...5 5 4 V IOL low level output current GPIO1 GPIO2 10 18 mA IOH high level output current GPIO1 GPIO2 10 mA EXT_1PPS J8 12 tolerance Accuracy Bias 100 100 ns Precision Jitter 30 30 ns Pulse width 15 ns...

Page 12: ...e any time before and during operation however a reset may be triggered during switch Table 3 Power consumption Condition Power Consumption Temp Power Source Voltage V Low 1 Typical 2 High 3 25 C USB0...

Page 13: ...ser 8 1 1 2 USB0 Figure 6 USB0 CN2 Table 5 USB0 CN2 pinout Pin Symbol I O Level V Description CN2 1 VBUS I O 5 0 USB device mode USB 5V power input USB host mode 5V 900mA power output e g when connect...

Page 14: ...on speed The connector type should be RJ45 TIA EIA 568B The Ethernet port also acts as a 12W PoE 802 3af PD powered device with an add on PoE module POE 301 It supports both mode A and mode B PSE powe...

Page 15: ...gh 1K split termination resistors inside CAN0 port J8 7 CAN1_H I O 5 0 CAN1 High 1K split termination resistors inside CAN1 port J8 8 USB1_DP I O 0 4 USB 2 0 data J8 9 USB1_VBUS O 5 0 USB Vbus power o...

Page 16: ...detection function This detection mechanism only works with the stock EX 55 antennas provided Table 9 V2X antenna status Antenna Status Value Command OPEN 616 1023 V2X0 cat sys bus iio devices iio dev...

Page 17: ...58 mA is considered as the NORMAL status The GNSS 3 3V antenna bias will be continuously supplied in OPEN NORMAL status Once the SHORT status is triggered the SHORT flag will persist and the 3 3V bia...

Page 18: ...tput for SOM 300 family J6 7 NC Not connected J6 9 GND G Ground J6 11 NC Not connected J6 13 NC Not connected J6 15 GND G Ground KEY Mechanical Key J6 17 UART2_TX O 3 3 UART transmit data output for S...

Page 19: ...2 PERST O OC Signal rising edge 0 1 will reset mPCIe module J6 24 3 3Vaux O 3 3 Max 1100mA J6 26 GND G Ground J6 28 NC Not connected J6 30 NC Not connected J6 32 NC Not connected J6 34 GND G Ground J6...

Page 20: ...Doc No Unex QSG 21 001 20 30 A printed version of this document is an uncontrolled copy 2023 Unex Technology Corporation Company Confidential Figure 13 SIM slot J7 Lock Unlock Open...

Page 21: ...will be supported by project base It is disabled by default The OBU 352 has to be powered up for the tamper detection function to work The design and implementation of a backup power source is not in...

Page 22: ...If a SOM 300 family module is added to the mPCIe port it is possible to tie the tamper signal of SOM 300 family module and OBU 352 together In this case it can be selected with the DIP switch SW2 2 Fo...

Page 23: ...oldered directly into PTHs Wires with JST 6P SZN 1 5mm pitch board in connector can be handled more easily when soldering 8 1 2 5 DIP Switch Settings Figure 16 DIP switches SW3 Left SW2 Right Table 16...

Page 24: ...e familiar to users The adapter cable EX 46 should be connected between EVK 352 and EX 47 The EX 46 and EX 47 are not included in OBU 352 package and should be ordered separately if needed Figure 17 E...

Page 25: ...N6 7 NC Not Connected CN6 8 NC Not Connected CN6 9 NC Not Connected Ext GNSS is a RS232 DTE Data Terminal Equipment If an external GNSS source can output NMEA sentences over RS232 this is to port to c...

Page 26: ...ors are disconnected Figure 21 CAN0 terminator jumpers JP1 JP2 8 2 4 CAN1 Figure 22 CAN1 port CN7 Table 20 CAN1 pinout CN7 Pin Symbol I O Level V Description CN7 1 NC Not Connected CN7 2 CAN_L I O 5 0...

Page 27: ...2 5 USB1 Figure 24 USB1 port CN2 Table 21 USB1 pinout CN2 Pin Symbol I O Level V Description CN2 1 VBUS O 5 0 5V 900mA CN2 2 D I O 0 4 USB 2 0 data CN2 3 D I O 0 4 USB 2 0 data CN2 4 GND G Ground 8 2...

Page 28: ...uncontrolled copy 2023 Unex Technology Corporation Company Confidential 8 2 7 DC Power Jack Figure 26 DC power jack Input power range is DC 6 48V Suggested power is 12W or higher 8 2 8 Reset Button Fi...

Page 29: ...controlled copy 2023 Unex Technology Corporation Company Confidential 9 Dimensions and Weight Figure 28 Mechanical dimensions TOP Figure 29 Mechanical dimensions FRONT Table 23 Dimensions and weight M...

Page 30: ...00kbps CAN0 stand by mode GPIO 115 xloader GPIO 139 user space 0 normal mode 10mA 1 stand by mode 10uA CAN1 500kbps CAN1 stand by mode GPIO 122 xloader GPIO 146 user space 0 normal mode 10mA 1 stand b...

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