AN4118

Configuration

Doc ID 023226 Rev 2

5/13

2.4

LEDs

APWLink provides the following three LEDs:

●

D1: power supply

–

ON when USB power is supplied

●

D2: communication wrong

–

ON when communication between PC and APWLink is wrong

●

Digital audio input error

–

ON when the digital input signal is not validated or no digital signal is input

2.5

Analog input

An analog signal (can be DC coupled) can be input from J9 (3.5 mm phone jack). There is

the on-board STA529Q ADC, the following actions should be taken within APWorkbench as

shown in the screenshots below.

Figure 5.

Enabling the ADC using APWorkbench