Applied Data Systems Bitsy Plus Manuals

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Applied Data Systems Bitsy Plus User Manual

Applied Data Systems Bitsy Plus User Manual (68 pages)

Brand: Applied Data Systems | Category: Motherboard | Size: 0 MB

Table of Contents

About the Cover Image

3
Revision History

3
- Table of Contents
  7
1 Introduction

11
- Overview
  11
- Features
  11
  - Processor
    11
  - Power Supply
    11
  - Memory
    11
  - Communications
    11
  - User Interface and Display
    12
  - I/O
    12
  - Audio Interface
    12
- Block Diagram
  13
2 Getting Started

15
- Development Systems
  15
  - System Components
    15
  - Bitsy Plus Personality Boards
    15
    
    ADS CF Personality Board
    15
    
    ADS Ethernet Personality Board
    16
- Frequently Asked Questions
  16
- Organization of this Manual
  17
- Errata, Addenda and Further Information
  17
3 Hardware Reference

19
- Switches and Indicators
  19
  - S1: DIP Switch
    19
  - LED Indicator
    19
- Jumper Settings
  19
  - JP3: Flat Panel Power Select
    20
  - JP4: Vee Polarity Select
    20
- Connector Pinouts
  20
4 Feature Reference

27
- System Architecture
  27
  - Boot Code
    27
  - Synchronous DRAM
    27
  - Non-Volatile Memory
    27
    
    Flash Memory
    27
    
    Adsmartio EEPROM
    27
    
    Compactflash and PCMCIA/ATA Cards
    27
    
    Rtc Nvram
    28
  - Interrupts
    28
  - Compactflash / Expansion Bus
    28
  - SA-1110 GPIO Cross-Reference
    28
- Real-Time Clock (RTC)
  29
- Adsmartio
  29
  - Overview
    29
  - Adsmartio Features
    30
  - Digital I/Os
    30
  - Analog Inputs (A/D)
    30
  - Temperature Sensing
    30
  - Keypad Scan
    30
  - Adsmartio Signal Cross-Reference
    32
- Audio
  33
  - Microphone Pre-Amps
    33
  - Audio Outputs: Speakers and Headphones
    33
    
    Connecting Speakers
    33
    
    Connecting Headphones
    33
    
    Using Stereo Headphones and Speakers in the same System
    35
- Data Communications
  35
  - Serial Ports
    35
  - Usb
    35
    
    USB Host
    36
    
    USB Client
    36
  - SPI Bus
    36
    
    Overview
    36
    
    SPI on the Bitsy Plus
    37
    
    Alternate Uses of the SPI Port
    37
  - I 2 C Bus Master and Smbus
    37
    
    Overview
    37
    
    I 2 C on the Bitsy Plus
    37
    
    Smbus
    38
- Displays
  38
  - Display Types Supported
    38
  - Panel Voltages
    38
  - Display Signals
    39
  - Creating Display Cables
    39
  - Developing Display Drivers
    39
  - Brightness Control (Backlight)
    40
  - Contrast Control (Vee and Vcon)
    40
  - Touch Panel
    40
- EMI/RFI and ESD Protection
  40
  - Agency Certifications
    40
  - Protecting the Power Supply Inputs
    40
5 Power and Power Management

41
- Determining the Features You Need
  41
- Power Management Modes
  42
  - Strongarm Power Management Modes
    42
  - Power Management on the Bitsy Plus
    42
- Architectural Overview and Power Management Features
  43
  - Power Supply Architecture
    43
  - Subsystem Partitioning
    43
  - System Sleep
    45
    
    Power Failure Interrupt
    45
    
    Rqonoff Input
    46
    
    Software Control
    46
  - System Wakeup
    46
    
    Touch Panel
    46
    
    Timed Wakeup
    46
    
    Adsmartio
    46
  - Supercapacitors (Factory Option)
    47
    
    Charging
    47
    
    Discharging
    47
  - Backlight Power
    48
  - Battery Trickle Charger (Factory Option)
    48
  - Power Supply Efficiency
    49
- Designing for Optimal Power Management
  49
  - Create a Power Budget for Peripherals
    49
    
    3.3 V Loads
    49
    
    Loads
    50
    
    Loads on Main Supply
    50
  - 5.4.2 Power Loads During Sleep
    50
- Power Supply Examples
  51
6 System Specifications

53
- Mechanical Specifications
  53
  - Mechanical Drawing
    53
  - Mounting Holes
    53
  - Clearances
    54
- Electrical Specifications
  55
  - Temperature, Reset, Sleep, Wakeup
    55
  - Display
    56
  - Touch Panel Controller
    56
  - Power Supply
    57
  - Power Consumption
    58
  - Adsmartio Controller
    59
  - System Controller with Digital I/Os
    60
  - Usb
    60
  - Audio
    60
  - SA-1110 Processor
    62
  - Crystal Frequencies
    62
  - SA-1111 Companion Chip
    63
    
    PCMCIA, Compactflash Port and Expansion Bus
    63
7 Board Revision History

65
- Identifying the Board Revision
  65
- Revision History
  65
  - Revision 2
    65
    
    New Features
    65
    
    Enhancements
    65
    
    Changes
    65
  - Revision 3
    67
  - Revision 4
    67
  - Revision 5
    67
    
    New Features
    67
    
    Enhancements
    67
    
    Changes
    67
  - Revision a
    67
    
    Changes
    68

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