3-66
Theory of Operation
: Bluetooth
The Bluetooth audio is sent over a two-channel PCM/SSI interface to the audio codec (U6405) on
the Main board.
Table 3-17. GPIO I/O
Signal Name
Pad Name
GPIO
Keypad Board Schematic
Name
I/O
GPIO41
PB09
41
BT_HOST_WAKEUP_3.3V
I
GPIO49
PB17
49
BT_PTT_3.3V
O
GPIO50
PB18
50
BT_SHUTDOWN_3.3V
O
GPIO51
PB19
51
BT_WAKEUP_3.3V
O
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......