ICL7109 Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ICL7109 Datasheet PDF : 25 Pages
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ICL7109
ADDRESS BUS
CONTROL BUS
GND
DATA BUS
ANALOG
IN
MODE
CE/LOAD
B9 - B12
POL, OR
RUN/HOLD
ICL7109
B1 - B8
6
+5V
RD WR D7 - D0 A0 - A1
PA5 - PA0
CS
8255
(MODE 0)
8
PB7 - PB0
HBEN
STATUS
PC5
SEE TEXT
LBEN
GND
8008, 8080
8085, 8048, ETC.
FIGURE 14. FULL-TIME PARALLEL INTERFACE TO 8040/80/85 MICROPROCESSORS
ADDRESS BUS
CONTROL BUS
GND
DATA BUS
MODE CE/LOAD
B9 - B12
POL, OR
6
RD WR D7 - D0 A0 - A1
PA5 - PA0
CS
ANALOG
IN
GND
RUN/HOLD
ICL7109
B1 - B8 8
PC6
8255
PB7 - PB0
HBEN
STBA
STATUS
PC4
1µF
LBEN
10kΩ
+5V
SEE TEXT
8008, 8080
8085, 8048, ETC.
INTRA
PC6
INTR
FIGURE 15. FULL-TIME PARALLEL INTERFACE TO 8048/80/85 MICROPROCESSORS WITH INTERRUPT
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