Velleman 4-Digit Display Datasheet-2
LED Drive Control Special Circuit TM1637
5
©Titan Micro Electronics www.titanmec.com
V2.4
2、Address command setting
MSB LSB
B7
B6
B5
B4
B3
B2
B1
B0
Display address
1
1
Zero should
be inserted
for
irrelevant
items.
0
0
0
0
C0H
1
1
0
0
0
1
C1H
1
1
0
0
1
0
C2H
1
1
0
0
1
1
C3H
1
1
0
1
0
0
C4H
1
1
0
1
0
1
C5H
The command is used to set the display register address. If the address is set as C6H or a higher one, the data will be
ignored until effective address is set. Once electrified, the default address is C0H.
3、 Display control
MSB LSB
B7
B6
B5
B4
B3
B2
B1
B0
Function
Description
1
0
Zero should
be inserted
for
irrelevant
items.
0
0
0
Setting of
extinction
number
1/16
Pulse width is set as 1/16.
1
0
0
0
1
2/16
Pulse width is set as 2/16
1
0
0
1
0
4/16
Pulse width is set as 4/16
1
0
0
1
1
10/16
Pulse width is set as 10/16
1
0
1
0
0
11/16
Pulse width is set as 11/16
1
0
1
0
1
12/16
Pulse width is set as 12/16
1
0
1
1
0
13/16
Pulse width is set as 13/16
1
0
1
1
1
14/16
Pulse width is set as 14/16
1
0
0
Display switch
setting
Display OFF
1
0
1
Display ON