ALC658-LF datasheet(10/51 Pages) REALTEK

10 / 51 page

ALC658

Datasheet

Six-Channel AC’97 2.3 Audio Codec

Rev. 1.3

Pin Description

5.1. Digital I/O Pins

Table 1. Digital I/O Pins

Name

Pin No

Type

Description

Characteristic Definition

XTL-IN

Crystal input pad (24.576Mhz)

Crystal input pad

XTL-OUT

Crystal output pad

SDATA-OUT

Serial TDM AC’97 output

CMOS input

BIT-CLK

Bit clock output (12.288Mhz)

CMOS input/output, Vt=0.35Vdd, internally

pulled low by a 100K resistor.

SDATA-IN

Serial TDM AC’97 input

CMOS output, internal pulled low by a 100K

resistor.

SYNC

Sample Sync (48Khz)

CMOS input

RESET#

AC'97 master H/W reset

CMOS input

JD2

Jack Detect pin 2

Internally pulled high to AVDD by a 100K resistor

JD1/GPIO1

I / O

Jack Detect pin 1/General

Purpose I/O 1

Internally pulled high to AVDD by a 100K resistor

JD0/GPIO0

I/O

Jack Detect 0/General Purpose

I/O 0

Internally pulled high to AVDD by a 100K resistor

JD3

Jack Detect pin 3

Externally pulled high to AVDD by a 100K

resistor

JD4

Jack Detect pin 4

Externally pulled high to AVDD by a 100K

resistor

XTLSEL

Crystal Selection

Internally pulled high

S/PDIFI /

EAPD

I/O

S/PDIF input/External Amplifier

power down control

Digital input/output

S/PDIFO

S/PDIF output

Digital output

TOTAL: 15 Pins

XTLSEL=floating, bypass 14.318MHz to 24.576MHz digital PLL. The clock source is 24.576MHz crystal or external clock.

XTLSEL=pull low, select 14.318MHz to 24.576MHz digital PLL

5.2. Analog I/O Pins

Table 2. Analog I/O Pins

Pin Name

Pin No

Type Description

Characteristic Definition

PC-BEEP

PC speaker input

Analog input (1Vrms)

PHONE

Speaker phone input

Analog input (1Vrms)

AUX-L

AUX Left channel (UAJ2)

Analog input/output

AUX-R

AUX Right channel (UAJ2)

Analog input/output

CD-L

CD audio Left channel

Analog input (1Vrms)

CD-GND

CD audio analog GND

Analog input (1Vrms)

CD-R

CD audio Right channel

Analog input (1Vrms)

MIC1

I / O

First Mic in / CEN-OUT

Analog input (1Vrms)/Analog output (1Vrms)

MIC2

I / O

Secondary Mic in/CEN-OUT

Analog input (1Vrms)/Analog output (1Vrms)

LINE-L

I / O

Line-In Left channel/S-OUT-L

Analog input (1Vrms)/Analog output (1Vrms)

LINE-R

I / O

Line-In Right channel/S-OUT-R

Analog input (1Vrms)/Analog output (1Vrms)

Front-MIC

Dedicated MIC Input

Analog input (1Vrms) for front panel MIC input

FRONT-OUT-L

Front-Out Left channel (UAJ1)

Analog output (1Vrms)

FRONT-OUT-R

Front-Out Right channel (UAJ1) Analog output (1Vrms)

S-OUT-L

Surround Out Left channel

Analog output (1Vrms)

S-OUT-R

Surround Out Right channel

Analog output (1Vrms)

CEN-OUT

Center Out channel

Analog output (1Vrms)

ALC658-LF 数据表(PDF) 10 Page - Realtek Semiconductor Corp.

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