Hardware description
UM0943
6/22
Doc ID 17476 Rev 1
1.2
7-segment (+decimal point) and discrete LED display
The board consists of 4 7-segment (+decimal point) display modules driven by the
STLED325. By default, the two digits on the left display the channel information and the two
digits on the right display the brightness level information.
Figure 5.
7-segment LED display
Figure 6.
Discrete LEDs
1.3
Front panel keys/wake-up key
The board is provided with 8 front panel keys: CH+, CH-, BRGHT+, BRGHT-, OK, MENU,
DEMO and STBY. There is one pin designated as WAKE-UP to wake-up the system from
STANDBY.
www.BDTIC.com/ST
