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ZOE-M8 series - Hardware integration manual

UBX-16030136 - R09

Revision history

Page 33 of 34

Production information

Revision history

Revision

Date

Name

Comments

R01

21-Dec-2016

mdur

Objective Specification

R02

23-Jan-2017

mdur

Minor updates in section 2.1.1 a nd Figure 5

R03

21-Mar-2017

mdur

Advance Information, Updated footprint section (Figure 13) and Table 9
(Recommend optional SQI flash).

R04

11-Jul-2017

mdur

Added ZOE-M8Q variant and relevant content, added section 3.3 (Safety
precautions), updated section Error! Reference source not found.
(recommended parts). Included instructions to configure the optional DCDC
converter in section 2.1.3.

R05

13-Sep-2017

mdur

Added information on RED DoC in European Union regulatory compliance
(page 2). Modified remark for G9 pin in Table 3. Added section 2.14.5 (EMI).

R06

23-Oct-2017

mdur

Early Production Information

R07

14-Mar-2018

mdur

Production Information. Updated Table 9 (Recommend optional SQI flash).

R08

27-Feb-2019

mdur

Modified the SQI flash section 2.2.4. Clarified alternative uses for the EXTINT
pin in section 2.3.2. Updated power save limitations in section 2.4. Updated
supported RF band-pass filter list in section A.2. Updated supported SQI Flash
list in section A.3. Updated supported RTC list in section A.1. Modified Figure
7.

R09

04-May-2020

mala

Added section 2.13 Layout design-in: Thermal management

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Содержание ZOE-M8 Series

Страница 1: ...u blox M8 SiP modules Hardware integration manual Abstract This document describes the hardware features and specifications of the u blox ZOE M8G and ZOE M8Q GNSS SiP system in package modules www u...

Страница 2: ...iPs comply with all relevant requirements for RED 2014 53 EU The ZOE M8G Q Declaration of Conformity DoC is available at www u blox com under Support Product resources Conformity Declaration This docu...

Страница 3: ...2 3 I O pins 10 2 3 1 Time pulse 10 2 3 2 External interrupt 10 2 3 3 External LNA enable 10 2 3 4 Electromagnetic interference and I O lines 10 2 4 Real time clock RTC 11 2 4 1 RTC using a crystal 1...

Страница 4: ...5 3 4 Soldering 26 3 4 1 Soldering paste 26 3 4 2 Reflow soldering 26 3 4 3 Optical inspection 26 3 4 4 Repeated reflow soldering 26 3 4 5 Wave soldering 26 3 4 6 Rework 26 3 4 7 Use of ultrasonic pro...

Страница 5: ...mance For RF optimization the ZOE M8 SiPs integrate a front end SAW filter and an additional front end LNA for increased jamming immunity and easier antenna integration A passive antenna can be used t...

Страница 6: ...ZOE M8 GNSS SiPs are supplied through the VCC pin Built in LDOs generate stabilized voltages for the core and RF domains of the chip respectively The current at VCC depends heavily on the current sta...

Страница 7: ...be connected to GND D3 SQI_CS_N GND Must be connected to GND Table 1 Enable DC DC converter If the SQI flash pins are used to enable the DC DC converter ensure that the SQI flash pins are set exactly...

Страница 8: ...can wait on the TXD Ready signal instead of polling the DDC or SPI interfaces The UBX CFG PRT message lets you configure the polarity and the number of bytes in the buffer before the TXD Ready signal...

Страница 9: ...tions Store the current configuration permanently Save data logging results Hold AssistNow Offline and AssistNow Autonomous data In addition the ZOE M8 GNSS SiPs can make use of a dedicated flash firm...

Страница 10: ...nused By default the external interrupt is disabled If the EXTINT is not used for an external interrupt function it can be used for some other purpose for example as an output pin for the TXD Ready fe...

Страница 11: ...ally an external 32 768 kHz signal can be provided 2 4 1 RTC using a crystal The easiest way to provide time information to the receiver is to connect an RTC crystal to the corresponding pins of the R...

Страница 12: ...SS systems for example GPS Galileo GLONASS BeiDou and QZSS signals Because of the dual frequency RF front end architecture two GNSS signals from GPS L1C A GLONASS L1OF Galileo E1B C and BeiDou B1 can...

Страница 13: ...NA make sure some good filtering is in place for the external LNA supply because of the noise on the VCC This means that a series ferrite bead FB1 and a decoupling capacitor to GND must be used see se...

Страница 14: ...e sure RESET_N is detected Leave RESET_N open for normal operation The RESET_N complies with the VCC level and can be actively driven high Use RESET_N in critical situations only to recover the system...

Страница 15: ...7 All GND Ground Ensure good GND connection F9 All Reserved I O Reserved Do not connect Must be left open G1 ZOE M8G VCC I Supply voltage Clean and stable supply needed ZOE M8Q V_CORE I Core supply vo...

Страница 16: ...integration manual UBX 16030136 R09 Design in Page 16 of 34 Production information Figure 8 ZOE M8G pin assignment Figure 9 ZOE M8Q pin assignment For more information about the pin assignments see t...

Страница 17: ...re integration manual UBX 16030136 R09 Design in Page 17 of 34 Production information 2 9 Typical schematic Figure 10 Typical schematic for the ZOE M8G Figure 11 Typical schematic for the ZOE M8Q usin...

Страница 18: ...chieving a minimal time to first fix TTFF after a power down warm starts hot starts make sure to connect a backup battery to V_BCKP and use an RTC If not used make sure V_BCKP is connected to neighbor...

Страница 19: ...Add a ground plane underneath the GNSS SiP to reduce interference This is especially important for the RF input line For improved shielding add as many vias as possible around the micro strip coplana...

Страница 20: ...nna must be as short as possible to avoid jamming into the very sensitive RF section Make sure that RF critical circuits are clearly separated from any other digital circuits on the system board To ac...

Страница 21: ...1 Electrostatic discharge ESD Electrostatic discharge ESD is the sudden and momentary electric current that flows between two objects at different electrical potentials caused by direct contact or in...

Страница 22: ...see section 2 3 4 The following elements are critical regarding EMI Unshielded connectors for example pin rows Weakly shielded lines on PCB for example on top or bottom layer and especially at the bor...

Страница 23: ...tely 20 dB can be reached with careful placement of the antennas If such isolation cannot be achieved for example in the case of an integrated GSM GNSS antenna an additional input filter is needed on...

Страница 24: ...antenna 2 14 6 4 Out band interference Out band interference is caused by signal frequencies that are different from the GNSS carrier see Figure 18 The main sources are wireless communication systems...

Страница 25: ...nas due to the risk of electrostatic charges In addition to standard ESD safety practices take the following measures into account whenever handling the receiver Unless there is a galvanic coupling be...

Страница 26: ...tes max Table 5 Recommended conditions for reflow process The peak temperature must not exceed 255 C The time above 245 C must not exceed 40 seconds ZOE M8 GNSS SiPs must not be soldered with a damp h...

Страница 27: ...ications Positioning Technology www positioningtechnology co uk 4 2 1 Guidelines for sensitivity tests 1 Connect a multi GNSS generator to the OEM product 2 Choose the power level in a way that the Go...

Страница 28: ...G32K76CS2C00R0 Table 7 Recommend parts list for RTC crystal A 2 RF band pass filter F1 Depending on the application circuit consult manufacturer data sheet for DC ESD and RF power ratings Manufacturer...

Страница 29: ...W25Q80DV 3 V 8 Mbit several package temperature options Winbond W25Q16JV 3 V 16 Mbit several package temperature options Winbond W25Q16FW 1 8 V 16 Mbit several package temperature options Winbond W25Q...

Страница 30: ...able 14 Recommend parts list for RF ESD protection diode A 7 Ferrite beads FB1 Manufacturer Order no Comments Murata BLM15HD102SN1 High impedance at 1 575 GHz Murata BLM15HD182SN1 High impedance at 1...

Страница 31: ...Protective Area ESD Electrostatic discharge Galileo European navigation system GLONASS Russian satellite system GND Ground GNSS Global Navigation Satellite System GPS Global Positioning System GSM Glo...

Страница 32: ...otocol Specification UBX 13003221 3 GPS Antenna Application Note GPS X 08014 4 GPS Compendium GPS X 02007 5 GPS Implementation and Aiding Features in u blox wireless modules GSM G1 CS 09007 6 Informat...

Страница 33: ...ions to configure the optional DCDC converter in section 2 1 3 R05 13 Sep 2017 mdur Added information on RED DoC in European Union regulatory compliance page 2 Modified remark for G9 pin in Table 3 Ad...

Страница 34: ...u blox com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com...

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