Datasheet
TPS65930/TPS65920
www.ti.com
SWCS037G–MAY 2008–REVISED APRIL 2011
5 Real-Time Clock and Embedded Power Controller ................................................................. 54
5.1 RTC ......................................................................................................................... 54
5.1.1 Backup Battery .................................................................................................. 54
5.2 EPC ......................................................................................................................... 54
6 Audio/Voice Module (TPS65930 Device Only) ........................................................................ 55
6.1 Audio/Voice Downlink (RX) Module ..................................................................................... 55
6.1.1 Predriver for External Class-D Amplifier ..................................................................... 55
6.1.1.1 Predriver Output Characteristics ................................................................. 56
6.1.1.2 External Components and Application Schematics ........................................... 56
6.1.2 Vibrator H-Bridge ............................................................................................... 57
6.1.2.1 Vibrator H-Bridge Output Characteristics ....................................................... 57
6.1.2.2 External Components and Application Schematics ........................................... 57
6.1.3 Carkit Output .................................................................................................... 58
6.1.4 Digital Audio Filter Module .................................................................................... 59
6.1.5 Boost Stage ..................................................................................................... 59
6.2 Audio Uplink (TX) Module ................................................................................................ 61
6.2.1 Microphone Bias Module ...................................................................................... 61
6.2.1.1 Analog Microphone Bias Module Characteristics .............................................. 61
6.2.1.2 Silicon Microphone Module Characteristics .................................................... 63
6.2.2 FM Radio/Auxiliary Input ....................................................................................... 65
6.2.2.1 External Components ............................................................................. 65
6.2.3 Uplink Characteristics .......................................................................................... 65
6.2.4 Microphone Amplification Stage .............................................................................. 66
6.2.5 Carkit Input ...................................................................................................... 67
6.2.6 Digital Audio Filter Module .................................................................................... 68
7 USB Transceiver ............................................................................................................... 69
7.1 USB Transceiver ........................................................................................................... 69
7.1.1 Features ......................................................................................................... 69
7.1.2 HS USB Port Timing ........................................................................................... 70
7.1.3 USB-CEA Carkit Port Timing .................................................................................. 71
7.1.4 PHY Electrical Characteristics ................................................................................ 73
7.1.4.1 HS Differential Receiver ........................................................................... 73
7.1.4.2 HS Differential Transmitter ........................................................................ 74
7.1.4.3 CEA/UART Driver .................................................................................. 75
7.1.4.4 Pullup/Pulldown Resistors ........................................................................ 75
7.1.5 OTG Electrical Characteristics ................................................................................ 75
7.1.5.1 OTG VBUS Electrical Characteristics ........................................................... 76
7.1.5.2 OTG ID Electrical Characteristics ................................................................ 76
8 MADC ............................................................................................................................... 78
8.1 General Description ....................................................................................................... 78
8.2 MADC Electrical Characteristics ......................................................................................... 78
8.3 Channel Voltage Input Range ........................................................................................... 79
8.3.1 Sequence Conversion Time (Real-Time or Nonaborted Asynchronous) ................................ 79
9 LED Drivers ...................................................................................................................... 81
9.1 General Description ....................................................................................................... 81
10 Keyboard .......................................................................................................................... 82
10.1 Keyboard Connection ..................................................................................................... 82
11 Clock Specifications .......................................................................................................... 83
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