Telit Wireless Solutions ME910C1-WW - Page 97

Telit Wireless Solutions ME910C1-WW

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ME910C1 HW User Guide

1VV0301351 Rev.8 Page 97 of 99 2018-09-28

CS

Chip Select

RTC

Real Time Clock

PCB

Printed Circuit Board

ESR

Equivalent Series Resistance

VSWR

Voltage Standing Wave Radio

VNA

Vector Network Analyzer

Table of Contents

Notice2
- Copyrighted Materials3
- High Risk Materials3
- License Agreements3
- Third Party Rights3
- Trademarks3
Copyrights2
Computer Software Copyrights2
Usage and Disclosure Restrictions3
Applicability Table4
Contents5
- Table of Contents5
- VV0301351 Rev8
1 Introduction9
- Scope9
- Audience9
- Contact Information, Support9
- Text Conventions10
- Related Documents10
2 Overview11
3 Pins Allocation13
- Pin-Out13
- LGA Pads Layout23
4 Power Supply24
- Power Supply Requirements24
- Power Consumption26
- General Design Rules29
- Electrical Design Guidelines of the Power Supply29
- +5V Source Power Supply Design Guidelines29
- Source Power Supply Design Guidelines30
- Battery Source Power Supply Design Guidelines31
- Thermal Design Guidelines32
- Power Supply PCB Layout Guidelines32
  - VAUX Power Output35
  - RTC Supply35
5 Digital Section36
- Logic Levels36
- Power on36
- Power off41
- Wake from Deep Sleep Mode43
- Unconditional Shutdown43
- Fast Power down47
- Fast Shut down by Hardware47
- Fast Shut down by Software48
  - Communication Ports49
- Usb 2.0 Hs49
- Spi50
- Serial Ports51
- Modem Serial Port 151
- Modem Serial Port 253
- RS232 Level Translation54
  - General Purpose I/O55
- Using a GPIO as INPUT56
- Using a GPIO as OUTPUT57
- Indication of Network Service Availability57
  - External SIM Holder58
  - ADC Converter58
6 Rf Section60
- Bands Variants60
- TX Output Power60
- RX Sensitivity61
- Antenna Requirements66
- PCB Design Guidelines70
- PCB Guidelines in Case of FCC Certification72
- Transmission Line Design72
- Transmission Line Measurements73
- Antenna Installation Guidelines75
7 Audio Section76
- Electrical Characteristics76
- Codec Examples76
8 Gnss Section77
- GNSS Signals Pin-Out77
- RF Front End Design77
- Guidelines of PCB Line for GNSS Antenna77
  - GNSS Antenna Requirements77
- GNSS Antenna Specification78
- GNSS Antenna - Installation Guidelines78
- Powering the External LNA (Active Antenna)78
  - GNSS Characteristics79
9 Mechanical Design80
- Drawing80
10 Application Pcb Design81
- Footprint81
- PCB Pad Design82
- PCB Pad Dimensions83
- Stencil84
- Solder Paste84
- Solder Reflow85
11 Packaging87
- Tray87
- Reel88
- Carrier Tape Detail89
- Reel Detail90
- Packaging Detail91
- Moisture Sensitivity91
12 Conformity Assessment Issues92
- Approvals92
- FCC Certificates92
- IC/ISED Certificates92
- FCC/ISED Regulatory Notices92
- Declaration of Conformity94
13 Safety Recommendations95
- Read Carefully95
14 Acronyms96
- Document History98

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