microSYST migan MPB IZ, User Manual, Page: 17 / 21

migan/migra MPB IZ
Large Format LED Display with Pulse Counter
microSYST Systemelectronic GmbH, Am Gewerbepark 11, 92670 Windischeschenbach

+49 9681 91960-0,

+49 9681 91960-10, info@microsyst.de, www.microsyst.de
Page 17
Procedure with BCD parallel:

Switch data signals to the display digits (HIGH-active).

Set preset input (HIGH-active).
The LE input must not be operated because it is automatically supplied with a LOW
signal if it’s not connected. In this case it is active.
Procedure with BCD multiplex:

Set an HIGH-signal to the display digits you want to use.

Set data signals for digit 10
0
.

Activate LE 10
0
(= interrupt HIGH-signal or connect LOW-signal).

Repeat the last two steps for all display digits:
A...D
LE 10
0

2 ms
LE 10
1
LE 10
2
LE 10
3
LE 10
4
LE 10
5
10
0
10
1
10
2
10
3
10
4
10
5
t

Set preset input (HIGH-active).