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Pin Name
Description
BLNK®
23
CO*
24
Be
Blue output
26]
Re | Red output
A red output terminal. Can select polarity when specifying the font ROM.
Compound
synchronizing signal
output
Luminance signal output | Outputs the luminance signal. Can select polarity when specifying the font ROM.
Character background
Outputs the character background signal. Can select polarity when specifying the font
output
ROM.
Character output
Outputs the character signal. Can select polarity when specifying the font ROM.
A blue output terminal. Can select polarity when specifying the font ROM.
A green output terminal. Can select polarity when specifying the font ROM.
Outputs compound synchronizing signal in NTSC or PAL. Negative polarity.
Amplification: 5V
28 | OSCOUT | Oscillation circuit for
synchronous signal
generation
an external terminal of the oscillation circuit for synchronizing signal generation.
Uses an oscillation frequency of 14.32MHz for NTSC and 17.73MHz for PAL.
Horizontal synchronizing
Inputs the horizontal synchronizing signal. Hysteresis input. Can select polarity when
signal
specifying the font ROM.
Vertical synchronizing
signal
* Block Diagram
Inputs the vertical synchronizing signal. Hysteresis input. Can select polarity when
specifying the font ROM.
31
VERT*
Connect to +5V using a digital power terminal.
osc | osc2
SYEX
HOR* VERT*
— —————
-
O---O
————
|
t
Synchronizing
C)
r]
signal switching
circuit
cs O
3
4 fe
Oscillation
Oscillation circuit
O
SCKO
8 3
circuit
for synchronizing iB
co
|
33
signal generation
C)
a
SINO
£
14. 32MH2z
t
PA OUT QO
'
Data control
Display position
circuit
detection circuit
©
CSYN
Timing
Timing
generator
Display
generator
controlling
resistor
'
|
a
Display
Display data mamory
controlling circuit
Vopt
wo
'
AC
Vssi
Display character ROM
i
Voo2
Blinking circuit
Reading address
controlling circuit
Vss2
or
101
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