Using The Gpio Control Port; Gpio Pinout, Specification, Use, & Configuration - Crown 2/300 Operation Manual

Using the GPIO Control Port

CDi DriveCore amplifiers come with a 2-in, 2-out General Purpose In/Out (GPIO) control port in the form of a block connector. The Control port has
multiple uses which include fault status reporting, device preset selection, output muting, and more. Control ports are configured using the Audio Architect
software.
GPIO Pinout, Specification, Use, & Configuration
GPIO/AUX
8 7 6 5 4
IN
PIN 1 (Output 1): 0VDC to +3.3VDC output. Output impedance = 1KΩ pullup to +3.3V. This pin is used for fault reporting. If a fault occurs in the
amplifier, this pin will change from a low/false state to a high/true state. Polarity can be inverted when reversed functionality is required. See
OUTPUT
for information on inverting this output.
Information" on page 32
WIRING
PIN 2 (Output 2): 0VDC to +3.3VDC output. Output impedance = 1KΩ pullup to +3.3V. This pin is used by Audio Architect and compatible HiQnet wall
controllers for generic output control functions. The functionality of this output is tied to the Manual Aux Output button in the Amp Info panel in Audio
BRIDGE
Architect. See
"Amplifier Information" on page 32
PIN 3 (Input 1): 0VDC to +3.3VDC input. Logic = TTL thresholds. Analog = full scale 0-3.3V. Input impedance > 20KΩ. This pin is used to trigger input
mutes. By default, a high/true state at the input will trigger the mutes. Polarity can be inverted when reversed functionality is required. Which input channels
DUAL DUAL
are muted can be programmed from the Amp Info panel in Audio Architect. See
configuring this input.
PIN 4 (3�3V): +3.3VDC output. LIMIT = 30mA. Output impedance = 100Ω to +3.3V. This pin provides the power source to drive the GPIO inputs. For
2 1
example, a simple switch between this pin and pin 3 (Input 1) will mute/un-mute the designated input channels (a closed switch connects the 3.3V for
high/true condition, an open switch allows the pin to float low for false condition).
PIN 5 (Input 2): 0VDC to +3.3VDC input. Logic = TTL thresholds. Analog = full scale 0-3.3V. Input impedance > 20KΩ. This pin is used to trigger
preset changes between two stored presets depending on high/low state. Which presets are triggered can be configured from the Amp Info panel in Audio
Architect. See
"Amplifier Information" on page 32
PIN 6 (GND): Provides the ground potential for GPIO outputs and the AUX port.
Page 58
Using the GPIO Control Port
3 2 1
IN OUT
4
for more information on the Manual Aux Output button.
for more information on configuring this input port.
ETHERNET
ACT
100Mb
3
"Amplifier Information" on page 32
INPUT
CDi DriveCore Series Operation Manual
2 1
for more information on
"Amplifier