Velleman 4-Digit Display Datasheet-2

LED Drive Control Special Circuit TM1637
5
©Titan Micro Electronics www.titanmec.com
V2.4
2Address 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