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零件编号
产品描述 (功能)
ICL7109 查看數據表(PDF) - Intersil
零件编号
产品描述 (功能)
生产厂家
ICL7109
12-Bit, Microprocessor Compatible A/D Converter
Intersil
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
PA
5
- PA
0
CS
8255
(MODE 0)
8
PB
7
- PB
0
HBEN
STATUS
PC
5
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
PA
5
- PA
0
CS
ANALOG
IN
GND
RUN/HOLD
ICL7109
B1 - B8 8
PC
6
8255
PB
7
- PB
0
HBEN
STB
A
STATUS
PC
4
1
µ
F
LBEN
10k
Ω
+5V
SEE TEXT
8008, 8080
8085, 8048, ETC.
INTR
A
PC
6
INTR
FIGURE 15. FULL-TIME PARALLEL INTERFACE TO 8048/80/85 MICROPROCESSORS WITH INTERRUPT
19
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