Front Panel Display And Pushbuttons (5220-31); Figure 4-4: Block Diagram - evertz 5010 SIE Instruction Manual

CHARACTER GEN
IN OUT
CHAR GEN
KEYER
CHAR GEN
LOGIC LCA
TECHNICAL DESCRIPTION
15.36 MHz frequency is internally divided by 12, resulting in a processor
operating frequency of 1.28 MHz.
REF VIDEO
IN
REF VIDEO
SYNC
SEPARATOR
CHAR
PIXEL
OSC

Figure 4-4: Block Diagram

4.3.2. Front Panel Display and Pushbuttons (5220-31)

A 16 digit alphanumeric display, and a 10 button keypad are contained on
a separate circuit card (5220) which is connected to the main circuit board
via a 20 conductor ribbon cable.
The 16 digit display is self scanning and contains its own character display
memory. Data is written to the displays once per frame. Address Latch U1
generates chip enable and address information to the display devices to
allow the MCU to write data to the display and control registers.
Model 5010-SIE Source ID Encoder Manual
REMOTE VITC GENERATOR
CONTROL
SERIAL &
PARALLEL
I/O
SUPPORT
LCA
UP
DISPLAY
IN OUT
VITC GEN
KEYER
VITC GEN
LOGIC LCA
+5V
SWITCHING
+8V
POWER
SUPPLY
-8V
MAINS IN
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