Getting started

UM0460

6/23

1.

External connector for the power supply input

2.

6 common anode LED displays having 8 segments

3.

1 common anode bar graph LED having 8 segments

4.

2 status LEDs - power and IRQ

5.

7 front panel keys

6.

LED controller/ driver

7.

ST7 microcontroller

8.

One potentiometer

9.

Voltage regulator

10. Power diode

11. Normal diodes

Figure 2.

Evaluation board (STEVAL-CBP003V1) - back view

The major component present on the board - back view is (see Figure 2):

1.

RESET switch

1.4

Powering on the system

This system is easy to use. As soon as the DC power supply adaptor is plugged in, the

system is up and running. The power supply connections should be plugged in as shown in

Figure 3.

Figure 3.

Power supply connections

On power-up of the system, the default display sequence is displayed with the default

brightness level which is 14/16. (see Section 1.5 and 1.6).