Embedded Module Leds - Digi Connect EM Hardware Reference Manual

Name
Green
LED
RXD2/
GPIO-9
Yellow
LED

Embedded Module LEDs

General information
The embedded module has two types of LEDs:
Register
Category
Bit
PORTC4 Allocated
PORTC3 Allocated
PORTC2 Allocated
PORTC1-
Reserved
PORTC0
LEDs connected directly to GPIO pins on the processor and controlled directly
in software
LEDs connected to other hardware components (Ethernet/wireless hardware)
and not directly programmable by the operating system
P r o g r a m m i n g C o n s i d e r a t i o n s
GPIO Pin Use
External
Interface
Used as the NET+OS green LED
Connected to
but can be reassigned as a general
the green
purpose LED. It must remain a
LED (the one
GPIO output for the LED to
above the red
operate correctly. The LED is lit
LED)
when the signal is low.
Used for port 2 serial receive but
can be reassigned as GPIO input
Pin 11 on the
or output. If used with the
main header
development board, this pin maps
to GPIO-9.
Used as the NET+OS yellow
LED but can be reassigned as a
Connected to general purpose LED. It must
the yellow remain a GPIO output for the
LED LED to operate correctly. The
LED is lit when the signal is a
low.
NA NA
Description
4 1