
TPS65950
Integrated Power Management/Audio Codec
www.ti.com
SWCS032 – OCTOBER 2008
4.5.3.3
OMAP3 Power-On Sequence
.......................................................................
624.5.4
Power-Off Sequence
............................................................................................
624.5.4.1
Power-Off Sequence in Master Modes
............................................................
635
Real-Time Clock and Embedded Power Controller
................................................................. 64 5.1
RTC
..........................................................................................................................
645.1.1
Backup Battery
...................................................................................................
645.2
EPC
..........................................................................................................................
646
Audio/Voice Module
............................................................................................................ 65 6.1
Audio/Voice Downlink (RX) Module
......................................................................................
666.1.1
Earphone Output
................................................................................................
666.1.1.1
Earphone Output Characteristics
..................................................................
666.1.1.2
External Components and Application Schematic
...............................................
676.1.2
8-
Stereo Hands-Free ........................................................................................ 67 6.1.2.1
8-
Stereo Hands-Free Output Characteristics .................................................. 67 6.1.2.2
External Components and Application Schematic
...............................................
696.1.3
Headset
...........................................................................................................
696.1.3.1
Headset Output Characteristics
.....................................................................
696.1.3.2
External Components and Application Schematic
...............................................
716.1.4
Headset Pop-Noise Attenuation
...............................................................................
746.1.5
Predriver for External Class-D Amplifier
......................................................................
766.1.5.1
Predriver Output Characteristics
....................................................................
766.1.5.2
External Components and Application Schematic
...............................................
776.1.6
Vibrator H-Bridge
................................................................................................
776.1.6.1
Vibrator H-Bridge Output Characteristics
..........................................................
776.1.6.2
External Components and Application Schematic
...............................................
786.1.7
Carkit Output
.....................................................................................................
786.1.8
Digital Audio Filter Module
.....................................................................................
796.1.9
Digital Voice Filter Module
.....................................................................................
806.1.9.1
Voice Downlink Filter (Sampling Frequency at 8 kHz)
...........................................
806.1.9.2
Voice Downlink Filter (Sampling Frequency at 16 kHz)
.........................................
816.1.10
Boost Stage
.....................................................................................................
826.2
Audio/Voice Uplink (TX) Module
.........................................................................................
836.2.1
Microphone Bias Module
.......................................................................................
836.2.1.1
Analog Microphone Bias Module Characteristics
................................................
856.2.1.2
External Components and Application Schematic
...............................................
866.2.1.3
Digital Microphone Bias Module Characteristics
.................................................
886.2.1.4
Silicon Microphone Characteristics
.................................................................
896.2.2
Stereo Differential Input
.........................................................................................
906.2.3
Headset Differential Input
......................................................................................
916.2.4
FM Radio/Auxiliary Stereo Input
...............................................................................
916.2.4.1
External Components
................................................................................
916.2.5
PDM Interface for Digital Microphones
.......................................................................
916.2.6
Uplink Characteristics
...........................................................................................
926.2.7
Microphone Amplification Stage
...............................................................................
936.2.8
Carkit Input
.......................................................................................................
936.2.9
Digital Audio Filter Module
.....................................................................................
946.2.10
Digital Voice Filter Module
.....................................................................................
956.2.10.1
Voice Uplink Filter (Sampling Frequency at 8 kHz)
.............................................
956.2.10.2
Voice Uplink Filter (Sampling Frequency at 16 kHz)
...........................................
977
USB HS 2.0 OTG Transceiver
............................................................................................... 99 7.1
USB Features
...............................................................................................................
997.2
USB Transceiver
..........................................................................................................
100Contents
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