STA333BW13TR 데이터 시트보기 (PDF) - STMicroelectronics

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STA333BW13TR

2.1-channel 40-watt high-efficiency digital audio system Sound Terminal®

STMicroelectronics 

Pin connections

STA333BW

Table 2. Pin description (continued)

Pin

Type

Name

Description

11

Power VCC1

12

GND GND1

13

O

OUT1A

14

GND GND_REG

Power positive supply

Power negative supply

Output half-bridge channel 1A

Internal ground reference

15

Power VDD

Internal 3.3 V reference voltage

16

I

CONFIG

Parallel mode command

17

O

OUT3B / FFX3B PWM out channel 3B / external bridge driver

18

O

OUT3A / FFX3A PWM out channel 3A / external bridge driver

19

O

EAPD / OUT4B Power down for external bridge / PWM out channel 4B

20

I/O

TWARN / OUT4A

Thermal warning from external bridge (pull-up when input)

/ PWM out channel 4A

21

Power VDD_DIG

22

GND GND_DIG

23

I

PWRDN

24

Power VDD_PLL

Digital supply voltage

Digital ground

Power down (pull-up)

Positive supply for PLL

25

I

FILTER_PLL

Connection to PLL filter

26

GND GND_PLL

Negative supply for PLL

27

I

28

I

29

I

30

I

XTI

BICKI

LRCKI

SDI

PLL input clock

I2S serial clock

I2S left / right clock

I2S serial data channels 1 and 2

31

I

RESET

Reset (pull-up)

32

O

INT_LINE

33

I/O

SDA

34

I

SCL

Fault interrupt

I2C serial data

I2C serial clock

35

GND GND_DIG

Digital ground

36

Power VDD_DIG

Digital supply voltage

-

-

EP

Exposed pad for PCB heatsink, to be connected to GND

10/67

Doc ID 13773 Rev 3

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