Sierra Wireless MC5720 Hardware Integration Manual
  1. Manuals
  2. Brands
  3. Sierra Wireless Manuals
  4. PCI Card
  5. MC5720
  6. Hardware integration manual
Sierra Wireless MC5720 Hardware Integration Manual

Sierra Wireless MC5720 Hardware Integration Manual

Pci express minicard
Hide thumbs Also See for MC5720:
Table of Contents

Advertisement

Quick Links

Download this manual
PCI Express MiniCard
>>
Hardware Integration Guide
Proprietary and Confidential
213xxxx
Rev 0.1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MC5720 and is the answer not in the manual?

Questions and answers

Related Manuals for Sierra Wireless MC5720

Summary of Contents for Sierra Wireless MC5720

  • Page 1 PCI Express MiniCard >> Hardware Integration Guide Proprietary and Confidential 213xxxx Rev 0.1...

  • Page 2: Preface

    Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless modem are used in a normal manner with a well-constructed network, the Sierra Wireless modem should not be used in...

  • Page 3: Patents

    ©2005 Sierra Wireless. All rights reserved. Trademarks “Heart of the Wireless Machine” is registered trademark of Sierra Wireless. Sierra Wireless, the Sierra Wireless logo, the red wave design, the red-tipped antenna, and Watcher are trademarks of Sierra Wireless. ® Windows is a registered trademark of Microsoft Corporation.

  • Page 4: Comments

    Comments Sales Desk: Phone: 1-604-232-1488 Hours: 8:00 to 5:00 Pacific Time sales@sierrawireless.com E-mail: Post: Sierra Wireless 13811 Wireless Way Richmond, BC Canada V6V 3A4 Fax: 1-604-231-1109 www.sierrawireless.com Web: Your comments and suggestions on improving this documentation are welcome and appreciated. Please e-mail your feedback, noting document 2130367 Rev 1.1, .

  • Page 5: Table Of Contents

    P r e f a c e Table of Contents Preface............................2 Important notice ........................2 Safety and hazards ......................2 Limitation of liability ......................2 Patents ..........................3 Copyright...........................3 Trademarks ........................3 Comments.........................4 Introduction ...........................9 The Universal Development Kit..................9 Document organization ....................10 RF Integration ..........................11 RF connection .........................11 Ground connection ....................11 Shielding......................12...
  • Page 6 P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Power Interface...........................20 Overview of operation .....................20 EM power signals ....................20...
  • Page 7 P r e f a c e Figures Figure 1: Anechoic chamber ................... 15 Figure 2: US PCS sensitivity measurements ..............16 Figure 3: Power state transition diagram ................ 21 Figure 4: Inrush model ....................22 Figure 5: Inrush without large decoupling capacitors............24 Figure 6: Inrush with 66µF decoupling capacitors ............
  • Page 8 P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Tables Table 1: Typical RF parameters for a CDMA Embedded Module........

  • Page 9: Introduction

    There are several models of these embedded modules, including: • The MC5720 which operates on CDMA networks using the IS-95A and CDMA 1x, and EvDO (IS-866) network standards •...

  • Page 10: Document Organization

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Document organization This document is organized into the following sections: 1.

  • Page 11: Rf Integration

    R F I n t e g r a t i o n RF Integration This chapter provides information related to the RF (Radio Frequency) integration of the EM. The frequencies of operation and performance specifications vary depending on the EM model used. RF performance parameters for a typical EM are listed below.

  • Page 12: Shielding

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e the noise cannot be reduced, isolating the mounting holes from the ground may actually help.

  • Page 13: Interference And Sensitivity

    R F I n t e g r a t i o n Interference and sensitivity Several sources of interference could impact the RF performance of the EM. Common sources are discussed below. Most carriers require a certain level of receiver performance to ensure proper functioning of the device on the their networks.

  • Page 14: Hearing Aid Considerations

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e device (such as the main processor and parallel bus) that have the highest RF emissions.

  • Page 15: Path Loss Calculation

    R F I n t e g r a t i o n Figure 1: Anechoic chamber Agilent 8960 call box Approx . 1 m Path loss calculation The chamber is calibrated for path loss using a reference antenna with known gain that is feeding a spectrum analyzer or power meter.

  • Page 16: Sensitivity Vs. Frequency

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e location for receiver desense measurements.

  • Page 17: Regulatory Information

    R F I n t e g r a t i o n Regulatory information Refer to the EM Reference Guides for Regulatory Information. Regulatory compliance information is dependent upon both the individual module certification as well as the intended market. FCC module acceptance criteria FCC classification of mobile vs.

  • Page 18: Rf Exposure Requirements For Mobile Approval

    RF output power and human exposure to RF radiation. Product labeling requirements For mobile devices, using the FCC approval obtained by Sierra Wireless, a label must be attached to the outside of your product- into which the authorized module is incorporated- with a statement similar to the following: “This device contains TX FCC ID: N7N-XXXXX”...
  • Page 19 If this equipment does cause harmful interference to radio and television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following suggestions: •...

  • Page 20: Power Interface

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Power Interface Overview of operation The EM is designed to run off the same power supply as the host system...

  • Page 21: Em Power State Transitions

    P o we r I n t e r f a c e EM power state transitions Figure 3 shows how the EM transitions between power states. Each power state is described in the sections that follow. Figure 3: Power state transition diagram DISCONNECTED state This power state occurs when the host power supply is disconnected from the EM.

  • Page 22: Shutdown Routine State

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e SHUTDOWN ROUTINE state In this state, the EM has received a request from the host to power down and is completing its active tasks and initiating the shutdown routine.
  • Page 23 P o we r I n t e r f a c e Current Probe EM BOARD LDO pass Current PWR (1,2,3,4,5) element 1 ohm typ +3.8VDC LI-ION BATTERY PACK ESR + ESR + 250m trace Z trace Z LI-ION CELL ON/OFF (18)

  • Page 24: Figure 5: Inrush Without Large Decoupling Capacitors

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Figure 5: Inrush without large decoupling capacitors Figure 6 shows the effect of increasing decoupling capacitors on the inrush current (inrush of about 400 mA from the host battery using 66 uF decoupling...

  • Page 25: Current Consumption

    P o we r I n t e r f a c e Current consumption Electrical requirements and current specifications are listed in Table 2. Conditions related to the various modes of operation are described in subsections following the table. These specifications identify the maximum current drain; typical use should result in less drain, depending on the application.

  • Page 26: Shutdown

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Shutdown Shutdown mode is the state of the modem when /ShutDown (the shutdown request) is asserted, or /DTR1 is deasserted—based on AT command...

  • Page 27: Deep Sleep

    P o we r I n t e r f a c e Table 3: Average current consumption in slotted mode sleep Slot cycle Cycle duration (seconds) Average current index consumption (mA) 1.28 10.4 2.56 5.12 10.24 20.48 40.96 81.92 163.84 Deep sleep The modem enters deep sleep mode after failing within 15 minutes to acquire...

  • Page 28: Usage Models

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Usage models To calculate actual current consumption (and anticipated battery life), a usage model is needed.

  • Page 29: Host Interface

    H o s t I n t e r f a c e Host Interface This chapter provides detailed information about the Host-EM interface, describing the signals required for serial data transfer, handshaking and digital module I/O (MIO). Operation modes The embedded module supports the following logical communication interfaces: •...

  • Page 30: Physical Layer

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Physical layer Differential 1 and 0 The USB uses differential signaling (called D+ and D-) with NRZI (Non-Return...

  • Page 31: Power And Reset Handshaking Protocols

    H o s t I n t e r f a c e USB activity is resumed either by the USB host or by the modem. The USB controller automatically detects the USB host resuming bus activity, even if the 48 MHz oscillator is disabled.

  • Page 32: Usb Handshaking

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e USB handshaking The module behaves as a non-host device supporting full-speed USB.

  • Page 33: Host Usb Driver Requirements

    H o s t I n t e r f a c e Host USB driver requirements The following are critical requirements that must be met by the USB driver on the host device: • The host USB driver must support remote wakeup, resume, and suspend operations as specified by the USB specification.

  • Page 34: Xim Interface

    P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e XIM Interface The EM is designed to support one SIM (Subscriber Identity Module) or RUIM (Removable User Identity Module).

  • Page 35: Xim Notes Of Operation

    H o s t I n t e r f a c e Figure 10: RUIM application interface 4.7uF XIM_VCC located near SIM socket pin 1 RUIM_PWR pin 3 XIM_CLK RUIM_CLK 0 ohm XIM_IO pin 4 RUIM_IO 0 ohm pin 2 /XIM_RESET /RUIM_RESET 0 ohm...
  • Page 36 P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e P r o p r i e t a r y a n d c o n f i d e n t i a l 2 1 3 X X X X...

  • Page 37: Acronyms And Definitions

    A c r o n ym s a n d d e f i n i t i o n s Acronyms and definitions Table 6: Acronyms and definitions Acronym or term Definition Analog to Digital Converter Automatic Gain Control Bi-directional Microphone with lower sensitivity along the circumference of the housing, higher sensitivity towards the front and rear sections of the housing.
  • Page 38 P C I E x p r e s s M i n i C a r d H a r d wa r e I n t e g r a t i o n G u i d e Acronym or term Definition Mass Production –...
  • Page 39 A c r o n ym s a n d d e f i n i t i o n s Rev 1.2 A p r - 0 5 P r o p r i e t a r y a n d c o n f i d e n t i a l...

This manual is also suitable for:

Mc8755

Table of Contents