Alert - Speaker; Microphone; Headset; Speaker Connector Pinout (J430) - Motorola G30 Technical Information

Alert - Speaker

The Developer Board uses an audio amplifier to amplify the speaker audio output to desired
levels. The alert-speaker connector (J480) is labeled ALERT. The speaker output is 8 ohms
impedance. The Speaker Connector pinout (J480) is shown in

Microphone

The microphone connector (J460) is labeled MIC. The Microphone Connector pinout (J460) is
shown in

Headset

The headset interface is designed as a portable phone audio interface, and is similar to a phone
headset interface. The headset connector (J440), labeled HEADSET, includes a speaker,
microphone and a detection signal. The speaker and microphone signals are directly connected to
the G30 audio signals.
The Headset Connector pinout (J440) is shown in
December 15, 2009
Table 2-6: Speaker Connector Pinout (J430)
Pin #
1
2
3
4
Table 2-7.
Table 2-7: Microphone Connector Pinout (J460)
Pin #
1
2
3
4
5
6
Table 2-8: Headset Connector Pinout (J440)
Pin #
1
2
3
G30 Developer's Kit
Chapter 2: Developer Board and Interfaces Description
Table
Description
Not connected
Speaker positive output
Not connected
Speaker negative output
Description
Ground
Not connected
Not connected
Microphone audio-in
Not connected
Grounding switch
Table 2-8.
Description
Ground
Headset-detect switch
Speaker audio-out
2-6.
23