MAX7219CNG 查看數據表（PDF） - Maxim Integrated
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MAX7219CNG Datasheet PDF : 16 Pages
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Serially Interfaced, 8-Digit LED Display Drivers
1N5524B
5.6V ±5%
AND2307SLC
5 ANODE DP
7
ANODE A
9
ANODE F
6 ANODE B
10
ANODE G
4 ANODE C
2 ANODE E
3 ANODE D CATHODE
8
AND2307SLC
5 ANODE DP
7
ANODE A
9 ANODE F
6 ANODE B
10
ANODE G
4 ANODE C
2 ANODE E
3 ANODE D CATHODE
8
DATA IN
LOAD (CS)
CLOCK
23
SEG D
21
SEG E
20
SEG C
17
SEG G
16
SEG B
15 SEG F
14
SEG A
22
SEG DP
4 GND
9 GND
MAX7219
MAX7221
V+ 19
18
ISFT
*
1
DIN
12
LOAD (CS)
13
CLK
2
DIG 0
11
DIG 1
5V
4.7k
30k
16 4.7k
4
*
NC1
7
NC2
3
COM1
1
10
2
IN1
IN2
MAX394
COM2
8
NO1
9
NO2
5
IRF540
*4.7kΩ PULL-UP REQUIRED FOR MAX7221
-5V
( ) MAX7221 ONLY
IRF540
Figure 2. MAX7219/MAX7221 Driving 2.3-Inch Displays
12 ______________________________________________________________________________________
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