TSC2301 datasheet(2/92 Pages) TI

2 / 92 page

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Ω

30k

Ω

20k

+20 to - 40dB,

0.5dB Steps

Σ∆

ADC

Mute, 0db, 6dB, 12dB

Σ∆

DAC

Headphone

Driver

Σ∆

DAC

Headphone

Driver

Digital

Audio

Processing

I2S

INTERFACE

Control

Interface

OSC

AVDD

VCM

AGND

RLINEIN

MICIN

LLINEIN

HPGND

HPVDD

HPR

VOUTR

VOUTL

HPL

COI

COO

SPISEL

SPIDIN

SPICLK

SPIDO

DAV

MCLK

LRCLK

I2SDIN

I2SDOUT

BCLK

PENIRQ

+20 to - 40dB,

0.5dB Steps

Σ∆

ADC

+12dB to -

35dB

0.5dB steps

X-

X+

Y-

Y+

Touch

Pannel

Drivers

Temp

Sensor

VBAT2

VBAT1

AUX2

AUX1

Battery

Monitor

Battery

Monitor

ADC

SAR

C1 C2

C3 C4

R1 R2

Keypad Scanner and State Control

CONTROL

LOGIC

SPI

INTERFACE

DAC

DACOUT

DACSET

Internal 2.5V/

1.25V Reference

VREFIN

MONO+

MONO-

KBIRQ

Digital Gain

0 to - 63.5dB

0.5dB Steps

Digital Gain

0 to - 63.5dB

0.5dB Steps

POL

RESET

VREF+

VREF-

317Ω

GPIO_0

GPIO_1

GPIO_2

GPIO_3

GPIO_4

GPIO_5/CLKO

GPIO

INTERFACE

DGND (2)

DVDD (2)

AFILTR

AFILTL

AVDD - 1V

MICBIAS

And

PLL

TSC2301

SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004

TSC2301 Datasheet(PDF) 2 Page - Texas Instruments

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