TDA7522 datasheet(4/23 Pages) STMICROELECTRONICS

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TDA7522

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Table 1. Pin Description

Pin Number

Name

Function

Description

SERDA

I/O

Data line for Serial I/F

SERCK

Clock line for Serial I/F

DGTLIN0_OF

HF bit 0 and Servo overflow

DGTLIN1_UF

HF bit 1 and Servo underflow

DGTLIN2

HF bit 2 and Servo bit 0

DGTLIN3

HF bit 3 and Servo bit 1

DGTLIN4

HF bit 4 and Servo bit 2

DGTLIN5

HF bit 5 and Servo bit 3

DGTLIN6

HF bit 6 and Servo bit 4

CORE_VDD_1

Vdd

Digital Power supply

CORE_VSS_1

Gnd

Digital Ground

DGTLIN7

HF bit 7 and Servo bit 5

DGTSYNC

Sync strobe for Multiplexer

CLKOUT

System clock output to TDA7521

BSR_SDK48

LSI I/F clock output or

DAC bit stream right channel output

BSL_SAK48

LSI I/F data output or DAC bit stream left channel output

LRCK

LSI I/F L/R signal

C2PO

Validity flag output for CD-ROM decoder

MUTEL

Mute left signal (active high)

MUTER

Mute right signal (Active high)

KDMPHYS

I/O

De-emphasis indication or ST7 GPIO PA2

PON

I/O

System shutdown pin for power saving mode or

ST7 GPIO PC7

AVDD_1

Vdd

Analog power supply

XTI

Crystal input

AVSS_1

Gnd

Analog ground

XTO

Crystal output

KADC_VRH

ADC top reference Voltage input

KADC_VRL

ADC bottom reference Voltage input

KADC_IN

ADC input

CORE_VDD_2

Vdd

Digital Power supply

CORE_VSS_2

Gnd

Digital Ground

Nreset

Hardware reset

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