UM0239 datasheet(22/44 Pages) STMICROELECTRONICS

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Getting started

UM0239

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Figure 8.

Dual channel selection panel

4.4

Monitoring events

By means of Events Panel LEDs it is possible to monitor the status of the Demo Board. The

LEDs represent events occurred during the working session.

Figure 9.

Events panel

The LEDs are updated every time a communication is performed between the software tool

and the Demo Board, except for the Link Monitor LED that it is activated also when the user

modifies a Control Register parameter using the Control Register Parameters Panel. In this

case, the Write Control Register String on the panel no longer corresponds to the ST7540

Control Register. For this reason, the Link Monitor LED is always enabled (red) at first run of

the program.

Table 23 lists possible events.

ST7540 DUAL CHANNEL SELECTION PANEL

Table 23.

Summary of events

Event

Description

Reset event

Event occurs when MCU of IBU Communication Board has been reset

Thermal event

Event occurs when a Thermal shutdown event has occurred

Link monitor

Event occurs when:

– Write Control Register String does not correspond to ST7540 Control Register

– A reset or a communication problem event occurs

EVENTS PANEL

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