NEC PD17062 Instrukcja Użytkownika Strona 263

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PD17062
20.6 BLANK, R, G, AND B PINS
All these pins are CMOS push-pull output pins. They output an active-high signal. The BLANK pin outputs
a signal to turn off a broadcasting picture. The R, G, and B pins output character pattern data. If rimming
is not specified, the BLANK signal is the same as the character pattern signal (generated by ORing the R, G,
and B signals). If rimming is specified, the BLANK signal output from the BLANK pin is a waveform enveloping
the character pattern signal.
Fig. 20-11 IDC Output Waveform
(a) When rimming is not specified
(b) When rimming is specified
Pattern signal
(R, G, and B pins)
Blank signal
(BLANK pin)
Pattern signal
(R, G, and B pins)
Blank signal
(BLANK pin)
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