Azoteq IQ Switch ProxFusion IQS9320 Manuals

Manuals and User Guides for Azoteq IQ Switch ProxFusion IQS9320. We have 1 Azoteq IQ Switch ProxFusion IQS9320 manual available for free PDF download: Design Manual

Azoteq IQ Switch ProxFusion IQS9320 Design Manual

Azoteq IQ Switch ProxFusion IQS9320 Design Manual (72 pages)

Brand: Azoteq | Category: Keyboard | Size: 18 MB

Table of Contents

Table of Contents
1
1 Introduction

3
2 Design Specification / Product Requirements

4
3 Proposed Solution

8
4 Design Resources

11
- Documents
  11
- Software Tools and Example Code
  11
5 Design Implementation

12
- Sensor Design
  12
- Circuit Design
  12
- PCB Layout Design
  17
- Mechanical Design
  25
  - Assembly
    25
  - Housing / Casing
    26
  - Mechanical Movement and Its Effects
    27
  - Key Frame (Overlay) Design
    27
  - Stand-Off Supports and Spacers
    27
  - Metal Bracket Key Braces
    28
  - Connectors and Cables
    28
  - Proxfusion ® Series
    29
- Manufacturing
  29
- IC Setup
  29
6 Design Verification

30
- Keyboard Layout and Number of Keys
  30
- Key Switch Characteristics
  30
- Key Switch Configuration
  32
- Channel Sampling and Polling Rate
  34
- Ingress Protection Rating - Liquid
  36
- Inductive Proximity Interference
  37
- EMC Pre-Compliance
  38
  - Radiated Emissions
    38
  - Conducted Emissions
    39
  - Radiated Immunity
    40
  - Conducted Immunity
    41
  - ESD Immunity
    42
- Current Consumption
  43
7 Interface Description

45
- I 2 C Interface Mode
  45
- Key Scan Interface Mode
  45
- MCU Driver, Keyboard Interface and Interaction Reference Code
  45
- Software Flow
  47
- Additional Status Indication
  48
- PC Interface
  48
8 Revision History

49
A Bill of Materials

50
B Schematic and Layout

51
- Schematic Design
  52
- PCB Design: Gerbers
  58
- PCB Design: Top and Bottom Assembly
  62
- PCB Design: 3D Bodies
  63
C Mechanical Design

64
- PCB Design
  64
- Key Design
  66
- Coil Design
  67
- Full Keyboard Assembly
  68
D Glossary

71

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