Magnavox W-10CR Guía de instalación Pagina 51

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Specifications 35
I/O Expansion Board
Pins Description Specification
41,43,45,47
BCD 4 or BCD 8 strobes
EXIN/EXOUT B03/27 to B00/24
Input: On state 0 to +1.5 volts, 1 ma @ 0v,
Off state +2.9 to +30 volts.
Output: open circuit +30 volt maximum,
saturation voltage +0.5 volts @ 15 ma.
33,35,37,39
BCD 3 or BCD 7 strobes
EXIN/EXOUT B07/31 to B04/28
Input: On state 0 to +1.5 volts, 1 ma @ 0v,
Off state +2.9 to +30 volts.
Output: open circuit +30 volt maximum,
saturation voltage +0.5 volts @ 15 ma.
25,27,29,31
BCD 2 or BCD 6 strobes
EXIN/EXOUT B11/35 to B08/32
Input: On state 0 to +1.5 volts, 1 ma @ 0v,
Off state +2.9 to +30 volts.
Output: open circuit +30 volt maximum,
saturation voltage +0.5 volts @ 15 ma.
17,19,21,23
BCD 1 or BCD 5 strobes
EXIN/EXOUT B15/39 to B12/36
Input: On state 0 to +1.5 volts, 1 ma @ 0v,
Off state +2.9 to +30 volts.
Output: open circuit +30 volt maximum,
saturation voltage +0.5 volts @ 15 ma.
1,3,5,7,9,11,13,15
BCD 1-4 or BCD 5-8 data bus
EXIN/EXOUT B23/47 to B16/40
Input: On state 0 to +1.5 volts, 1 ma @ 0v,
Off state +2.9 to +30 volts.
Output: open circuit +30 volt maximum,
saturation voltage +0.5 volts @ 15 ma.
INPUT
OUTPUT
I/O POINT
+5V
Expansion I/O BCD Equivalent Circuit
4.7K
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