STA559BW View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA559BW

5 V, 2 A, 2.1 channel high-efficiency digital audio system Sound Terminal®

STMicroelectronics 

Pin connections

STA559BW

Pin

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

-

Type

Power

GND

O

GND

Power

I

O

O

O

I/O

Power

GND

I

Power

I

GND

I

I

I

I

I

O

I/O

I

GND

Power

-

Table 2. Pin description (continued)

Name

Description

VCC1

Power positive supply

GND1

Power negative supply

OUT1A

GND_REG

Output half-bridge channel 1A

Internal ground reference

VDD

Internal 3.3 V reference voltage

CONFIG

Parallel mode command

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

OUT3A / FFX3A

EAPD / OUT4B

PWM out channel 3A / external bridge driver

Power down for external bridge / PWM out channel 4B

TWARN / OUT4A

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

/ PWM out channel 4A

VDD_DIG

Digital supply voltage

GND_DIG

Digital ground

PWRDN

Power down (pull-up)

VDD_PLL

Positive supply for PLL

FILTER_PLL

GND_PLL

Connection to PLL filter

Negative supply for PLL

XTI

PLL input clock

BICKI

I²S serial clock

LRCKI

SDI

I²S left/right clock

I²S serial data channels 1 and 2

RESET

Reset (pull-up)

INT_LINE

Fault interrupt

SDA

I²C serial data

SCL

GND_DIG

I²CI²C serial clock

Digital ground

VDD_DIG

Digital supply voltage

EP

Exposed pad for PCB heatsink, to be connected to GND

10/67

DocID18190 Rev 2

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