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Developer Board and Interfaces Description
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98-08901C67-O
3.4.3
Audio Interface
The Developer Board includes analog and digital audio interfaces. The audio interface contains a hands-free speaker and micro-
phone, a headset, and an alert transducer.
Figure 14. Audio Connectors and Jumper
3.4.3.1
Speaker
The differential speaker interface is designed as a hands-free 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
matched.
Table 13. Speaker Connector Pinout (J430)
Pin #
Description
1
Not connected
2
Speaker positive output
3
Speaker negative output
4
Not connected
Audio Jumper
Speaker
Alert Transducer
Microphone
Headset
Summary of Contents for F3030A
Page 1: ...D r a f t Developer s Guide Motorola g20 Developer s Kit 98 08901C67 O ...
Page 2: ...ii 98 08901C67 O REVISION HISTORY Revision Date Purpose ...
Page 10: ...Preface 4 98 08901C67 O ...
Page 42: ...Developer Board and Interfaces Description 36 98 08901C67 O ...
Page 44: ...Mechanical Description 38 98 08901C67 O ...
Page 48: ...Service Support 42 98 08901C67 O ...
Page 51: ...98 08901C67 O 45 Schematics Placement and Parts List Figure 24 Diagnostics ...
Page 52: ...Schematics Placement and Parts List 46 98 08901C67 O Figure 25 Power ...
Page 53: ...98 08901C67 O 47 Schematics Placement and Parts List Figure 26 Debug Interface ...
Page 54: ...Schematics Placement and Parts List 48 98 08901C67 O Figure 27 Keypad and Display ...
Page 55: ...98 08901C67 O 49 Schematics Placement and Parts List Figure 28 Audio Interface ...
Page 56: ...Schematics Placement and Parts List 50 98 08901C67 O Figure 29 LEDs ...
Page 57: ...98 08901C67 O 51 Schematics Placement and Parts List Figure 30 Battery Charger ...
Page 58: ...Schematics Placement and Parts List 52 98 08901C67 O Figure 31 Serial Interface ...
Page 68: ...Schematics Placement and Parts List 62 98 08901C67 O ...
Page 72: ...Index 66 98 08901C64 O ...