TSC2117 datasheet(2/192 Pages) TI

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AudioOutputStage

PowerManagement

RCCLK

Digital

Audio

Processing

and

Serial

Interface

SDOUT

SDIN

BCLK

WCLK

MCLK

PLL

7-Bit ADC

LeftandRightVolume-

ControlRegister

DigitalBeep

Generator

Digital

VolCtl

DigitalVol

24dBto

Mute

2to –61dB

(1-dBSteps)

Prog

DSP

Engine

SPRP

SPRN

SPLP

SPLN

Class-DSpeaker

Driver

6dBto24dB(6-dBSteps)

Class A/B

Headphone/Lineout

Driver

0dBto9dB(1-dBSteps)

Analog Attenuation

0dBto –78dBandMute

(0.5-dBSteps/Nonlinear)

Analog Attenuation

0dBto –78dBandMute

(0.5-dBSteps/Nonlinear)

VOL/

MICDET

HPR

HPL

SCL

SDA

GPIO

GPIO1

GPI1

GPI2

MIX_R

MIX_L

MIX_R

MIX_L

MIC2_LINE_L

DAC_L

MIX_L

DAC_R

MIX_R

RESET

TSVDD

P3/R4–R5

AUX2

AUX1

Touch-

Panel

Drivers

VBAT

SAR

ADC

OSC

SAR_Mode

VREF

(Internal)

P3/R6

RCCLK

Control

Interface

Touch-

Screen

Processing

FIFO

RCCLK

MCLK

Divider

MIC

AUX1_MIC3_LINE_R

AUX2_MIC1

MIC2_LINE_L

Selectable

Gain/Input

Impedance

VCOM

AUX2_MIC1

Selectable

Gain/Input

Impedance

P1/R47

0to59.5dB

(0.5-dBsteps)

AGC

Prog

DSP

Engine

÷ 5

TSVDD

TSVSS

DVDD

DVSS

IOVDD

IOVSS

VREF

AUX1_MIC3_LINE_R

GPIO2

GPI3

SCLK

MOSI

MISO

I C

SPI

Note: Allfunctions

arecontrollablevia

I CorSPI.Itisnot

recommendedto

usebothI Cand

SPIsimultaneously.

2V/2.5V/AVDD

MICBIAS

DigitalVol

–12..20dB

Step=0.5dB

Mono ADC

Note:Normally,

MCLKisPLL input;

however,BCLK,

GPIO1,etc.,can

alsobePLL input.

Reference

DigtalMic

Interface

Clock

Data

Note:DigitalMic

ClockandData

routedtoGPIO1

andGPIO2pins.

P0/R51–R52

D S

ADC

D S

DAC

D S

DAC

De-Pop

and

Soft-

Start

P1/R33–R34

P0/R65–R66

P1/R42

P1/R38

P1/R43

P1/R39

P1/R32

P0/R63

P1/R30

P1/R40

P1/R41

P1/R31

P1/R44

P1/R36

P1/R37

P1/R35

P0/R71

P0/R72

P0/R86–R93

P1/R48

P1/R49

InputCM

P1/R50

P3/R15–R16

P3/R17

P3/R2–R3

B0205-04

P3/R13

P0/R64

P0/R82–R83

HVDD

SLVDD

SLVSS

AVDD

AVSS

SRVSS

SRVDD

HVSS

P0/R116

TSC2117

Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D

Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller

SLAS550A – APRIL 2009 – REVISED JUNE 2009

www.ti.com

Figure 1-1. Functional Block Diagram

INTRODUCTION

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