AN1781 Datasheet, PDF (1/8 Pages) Maxim Integrated Products – Graphics Chip Supply Delivers 1.65V at 26A

AN1781
APPLICATION NOTE
STR71x GPIO
DRIVING FOUR 7-SEGMENT DISPLAY
INTRODUCTION
Seven-segment devices are often preferred in display applications where high luminescence
is required, both for indoor and outdoor applications. Segments are marked with letters: a, b,
c, d, e, f, g and DP, where DP is the decimal point.
The technique described in this note is of a general nature and may be applied to a variety of
applications.
Hardware considerations are reviewed and generation of control software using the STR71x is
described.
AN1781/0205
Rev. 2
1/8
1