Eurotech BitsyXb Manuals

Manuals and User Guides for Eurotech BitsyXb. We have 1 Eurotech BitsyXb manual available for free PDF download: User Manual

Eurotech BitsyXb User Manual

Eurotech BitsyXb User Manual (67 pages)

PXA270 Single Board Computer

Brand: Eurotech | Category: Motherboard | Size: 1 MB

Table of Contents

Table of Contents
3
1 Introduction

7
- Overview
  7
- Features
  7
  - Processor
    7
  - Power Supply
    7
  - Memory
    7
  - Communications
    8
  - User Interface and Display
    8
  - I/O
    8
  - Audio Interface
    8
- Block Diagram
  9
2 Getting Started

10
3 Hardware Reference

13
- Switches, Controls and Indicators
  13
  - S1: DIP Switch
    13
  - LED Indicator
    13
- Jumper Settings
  13
  - JP2: LCD Display Power Select
    14
- Signal Connectors
  14
4 Feature Reference

23
- System Architecture
  23
  - Boot Code
    23
  - Synchronous DRAM
    23
  - Non-Volatile Memory
    23
    
    Flash Memory
    23
    
    Adsmartio EEPROM
    23
    
    Compactflash and PCMCIA/ATA Cards
    23
    
    Rtc Nvram
    24
  - Interrupts
    24
  - Compactflash / Expansion Bus
    24
  - PXA270 GPIO Cross-Reference
    24
- Real-Time Clock (RTC)
  27
- Adsmartio
  27
  - Overview
    27
  - Adsmartio Features
    28
  - Digital I/Os
    28
  - Analog Inputs (A/D)
    28
  - Temperature Sensing
    28
  - Keypad Scan
    29
  - Adsmartio Signal Cross-Reference
    30
- Audio
  31
  - Microphone Pre-Amps
    31
  - Audio Outputs: Speakers and Headphones
    31
    
    Connecting Speakers
    31
    
    Connecting Headphones
    31
    
    Using Stereo Headphones and Speakers in the same System
    32
- Buses and Data Communications
  32
  - Serial Ports
    32
  - Usb
    33
    
    USB Host
    33
    
    USB Function (Client)
    33
  - Synchronous Serial Ports
    34
    
    Overview of Synchronous Serial Ports
    34
    
    SSP on the PXA270
    34
    
    SSP on the Bitsyxb
    35
  - I C Bus Master
    35
    
    On the Bitsyxb
    36
  - Secure Digital (SD/SDIO) and Multimedia Card (MMC) Controller
    37
- Displays
  38
  - Display Types Supported
    38
  - LCD Voltages
    38
  - Display Signals
    38
  - Creating Display Cables
    38
  - Developing Display Drivers
    38
  - Brightness Control (Backlight)
    39
  - Contrast Control (Vee and Vcon)
    39
  - Touch Panel
    39
- Discrete Ios
  40
  - Digital Ios
    40
  - Analog Inputs
    40
  - Analog Outputs (PWM)
    40
- EMI/RFI and ESD Protection
  41
  - Agency Certifications
    41
  - Protecting the Power Supply Inputs
    41
5 Power and Power Management

42
- Power Management Modes
  42
  - Power Management on the Bitsyxb
    42
- Architectural Overview and Power Management Features
  43
  - Power Supply Architecture
    43
  - Subsystem Partitioning
    44
  - System Sleep
    46
    
    Power Failure Interrupt
    46
    
    Rqonoff Input
    46
    
    Software Control
    46
  - System Wakeup
    46
    
    Touch Panel
    46
    
    Timed Wakeup
    46
    
    Adsmartio/Keypad
    47
  - Supercapacitors
    47
    
    Charging
    47
    
    Discharging
    47
  - Backlight Power
    48
  - Battery Trickle Charger (Volume Production Option)
    49
  - Power Supply Efficiency
    50
- Designing for Optimal Power Management
  50
  - Create a Power Budget for Peripherals
    50
    
    3.3 V Loads
    50
    
    Loads on Main Supply
    51
  - Power Loads During Sleep
    51
- Power Supply Examples
  51
6 System Specifications

54
- Mechanical Specifications
  54
  - Mechanical Drawing
    54
  - Mounting Holes
    54
  - Clearances
    55
  - Production Options
    55
    
    Mating Headers on Underside of Board
    55
    
    PCMCIA Rails with no Ejector
    55
    
    Removal of PCMCIA Header
    55
    
    Connector Plating
    55
    
    Microphone Gain
    55
- Environmental Specifications
  56
- Electrical Specifications
  56
  - Reset, Sleep, Wakeup
    56
  - LCD Display
    57
  - Touch Panel Controller
    57
  - Power Supply
    58
  - Power Consumption
    59
  - Adsmartio Controller
    60
  - System Controller
    61
    
    Compactflash Port Used as Expansion Bus
    61
  - Audio
    62
  - PXA270 Processor
    63
  - Crystal Frequencies
    64
7 Board Revision History

65
- Identifying the Board Revision
  65
- Revision History
  65
  - Revision 4
    65
    
    New Features
    65
    
    Changes
    65

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