User's Manual
Table Of Contents
- About the Modules
- What’s on the Module?
- About the Development Board
- Basic description
- Switches and buttons
- I2C and SPI header connectors
- Serial port connectors
- VGA connector / External LCD clock
- Development board SO-DIMM connector, P15
- Application-specific expansion headers - P16 and P17
- LCD application board header, P18
- USB Device application header, P32
- Digital I/O, P19
- Power over Ethernet (PoE) connectors
- Through-hole prototyping (wrap-field) area, P3 and P4
- Development board LEDs
- Current Measurement Option (CMO)
- Power jack, P12
- Test points
- Factory default interface configuration for development board
- LCD and USB Configuration
- Module Specifications
- Mechanical dimensions
- Environmental information
- Network interface
- Power requirements
- Real-time clock
- I2C signals
- USB interface
- Module reset
- Module / SO-DIMM signal characteristics
- Electrical characteristics
- DC electrical characteristics
- USB internal PHY DC electrical inputs and outputs
- Antenna information
- Antenna specifications - 2 dBi Dipole
- Antenna specifications - 5 dBi Dipole
- Antenna specifications - 2 dBi PCB mount
- FCC RF radiation exposure statement
- Safety statements
- Dimensions and PCB Layouts
- Certifications
. . . . .
ABOUT THE DEVELOPMENT BOARD
Switches and buttons
www.digiembedded.com 31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switches and buttons
Serial Port A
switch, SW1
The Serial Port A switch is a 4-position DIP switch. Use this switch to set the signal
modes for serial port A, EIA-232/422/485.
Hardware
reset, SW6
User
pushbuttons,
SW3 & SW4
Serial port B
switch, SW2
Serial port A
switch, SW1
VGA (enable)
switch, SW7
Power switch, SW5
Position Description Default
position
1 Determines whether the interface is configured for EIA-232 or
EIA-485:
ON — EIA-232 interface mode
OFF — EIA-485 interface mode
ON
2 Enables/disables EIA-232 auto power down:
ON — Not supported
OFF — Disabled
OFF