evertz hd9084 - Figure 2-6: GPI;O Pin Identification; GPI;O Setup

HD9084 HDTV Caption Encoder Manual
INSTALLATION Page 2-7
Pin #
Name
Description
1
GND
Chassis ground
2
GPO2
General purpose output 2
3
GPO1
General purpose output 1
4
GPO3
General purpose output 3
5
GPIC
General purpose input
6
GPO4
General purpose output 4
7
GPIF
General purpose input (SD Bypass Relay)
8
GPIA
General purpose input
9
GPID
General purpose input
10
GP+3.3V
+3.3V from general purpose interface board
12
GPIE
General purpose input
13
GPIG
General Purpose Input (HD Bypass Relay)
14
GPIB
General purpose input
15
VEXT (in)
External voltage source for GPI's
Figure 2-6: GPI/O Pin Identification

Pin 10 and Pin 15 can be jumped in order to provide a VEXT (IN) GPI/O pull-up
source voltage with 3.3V.
2.4. GPI/O SETUP
The following features of the HD9084 can be controlled via parallel port:
• SD-SDI Field 1 Keyer and Field 2 Keyer: See Video Setup (Section 3.4.2)
• HD-SDI VANC Keyer Ctrl: See Video Setup (Section 3.4.3.2)
• Upstream Caption Source Selection: See Video Setup (Section 3.4.4)
• GPI Caption Shift: See Ports Setup (Section 3.6.4)
• Port Enable/Disable: See Ports Setup (Section 3.6.1.4)
• GPO Output Configuration: See Ports Setup (Section 3.6.7)
USO RESTRITO