STA538Q 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

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STA538Q

2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX

STMicroelectronics 

STA538

Connection diagrams and pin descriptions

2.1.2

Pin description

Table 1.

Pin #

D7

D1

Package: TFBGA48

Name

Type

RST_N

Digital input

XTI

Digital input

E1

MCLK33 Digital input

G3

SELCLK33 Digital input

D2

XTO

Digital output

C7

CLKOUT/

PWM2B

Digital output

F1

SCL

Digital input

G1

SDA

Digital

input/output

G2

I2CDIS

Digital input

G8

STBY

Digital input

B7

MUTE

Digital input

H6

BICLKI

Digital

input/output

H5

LRCLKI

Digital

input/output

E2

SDATAI

Digital input

G6

BICLKO/

PWM1A

Digital

input/output

G5

LRCLKO/

PWM1B

Digital

input/output

G4

SDATAO/

PWM2A

Digital output

H2

TM

Digital input

H7

INL

Analog input

H8

INR

Analog

input/output

G7

VBIAS

Analog

input/output

D8

VCM

Analog

input/output

F8

AVDD

Supply

E8

AGND

Ground

Description

Reset (active low)

Crystal input or master clock input

Master clock input 3.3 V capable

XTI: crystal input or master clock input 3.3 V capable

Master clock input selector:

SELCLK33 = 1 -> MCLK33 selected

SELCLK33 = 0 -> XTI selected

Crystal output

Buffered clock output / PWM2B FFXTm

I2C serial clock

I2C serial data

I2C disable pin (active high)

Standby (active high)

Mute (active high)

Input serial audio interface bit-clock

Input serial audio interface L/R-clock

Input serial audio interface data

Output serial audio interface bit-clock

(volume DOWN when I2CDIS = 1) / PWM1A FFXTm

Output serial audio interface L/R-clock

(volume UP when I2CDIS = 1) / PWM1B FFXTm

Output serial audio interface data / PWM2A FFXTm

Test mode (active high)

ADC left channel line input or microphone input

ADC right channel line input

ADC microphone bias voltage

ADC common mode voltage

ADC analog supply

ADC analog ground

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