Audio Interface; Speaker - Motorola G24 Developer's Manual

Configuration

Audio Interface

The Developer Board includes analog and digital audio interfaces. The audio interface contains a
speaker, alert speaker, microphone, and a headset

Speaker

Connector
Microphone
Connector
Headset
Connector
Alert Speaker
Connector
Figure 2-11: Audio Connectors
Speaker
The Developer Board uses an audio amplifier to amplify the speaker audio output to desired
levels. The speaker connector (J430) is labeled SPEAKER. The speaker output is 8 ohms
impedance. The Speaker Connector pinout (J430) is shown in
18
Table 2-7: Speaker Connector Pinout (J430)
Pin # Description
1
Not connected
2
Speaker positive output
3
Not connected
4
Speaker negative output
Developer's Kit
(Figure 2-11).
Table 2-7.
April 1, 2006