evertz 3025EMC - Figure 2-9: GPI Input Circuitry; Figure 2-10: GPO Output Circuitry

3025EMC Master Control Switching & Channel Branding
Page 22 Revision 3.0.3
GND
To Internal
Circuit
4.7 k
Ω
GPI
+ 5 Volts
Figure 2-9: GPI Input Circuitry
The GPOs are active low with internal pull-up (10kΩ) resistors to +5 V. When the output goes low, it is
able to sink up to 10 mA; when the output goes high, the signal will go high (+5 V). Do not draw more
than 100
µA from the output. Figure 2-10 shows the circuit for the general-purpose output.
From Internal
Circuit
10k
Ω
+ 5 Volts
GND
GPO
10 Ω
Figure 2-10: GPO Output Circuitry
The GPI and GPO functions are configured using EMC-Setup.