Microsoft Advantech UNO-3074 User Manual

Chapter 2

LEDEn: =0, DIAG LED disable

=1, DIAG LED enable

LEDS0 and LEDS1: LED flickering speed setting bit (refer to Table 2.20)
SPKEn:

=0, Speaker disable
=1, Speaker enable

SPKS0 & SPKS1: Buzzer alarming setting bit (refer to Table 2.21)

Table 2.19: LED & Buzzer Control Register

210H

R/W

DIAG LED Register

LEDS1 LEDS0 LEDEn

211H

R/W

Buzzer Register

SPKS1 SPKS0 SPKEn

Note: UNO-3074 provides built-in examples to show how to

configure DIAG LED and Buzzer. Refer to console
mode examples in C:\Program Files\Advan-
tech\UNO\UNO_IsaDIO\Examples\Console.
(Please install DI/O driver from the UNO CD to use
these examples)

Table 2.20: Programmable LED Control Bit

LEDS1

LEDS0

Light on

Fast flicker

Normal flicker

Short flicker