STA380WS datasheet(9/48 Pages) STMICROELECTRONICS

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STA380WS

Pin description

2.2

Pin list

Table 2. Pin description

Number

Type

Name

Description

I/O

VSS

Internal reference at VCC - 3.3 V

I/O

VCC_REG

Internal VCC reference

OUT2B

Output half-bridge 2B

PWR

GND2

Power negative supply

PWR

VCC2

Power positive supply

OUT2A

Output half-bridge 2A

OUT1B

Output half-bridge 1B

PWR

VCC1

Power positive supply

PWR

GND1

Power negative supply

OUT1A

Output half-bridge 1A

PWR

GND_REG

Internal ground reference

PWR

VDD_REG

Internal 3.3-V reference voltage

N.C.

No internal connection

N.C.

No internal connection

N.C.

No internal connection

N.C.

No internal connection

N.C.

No internal connection

PWR

GND_DIG

Digital ground

N.C.

No internal connection

N.C.

No internal connection

N.C.

No internal connection

N.C.

No internal connection

PWR

VDD_DIG

Positive supply digital

PWR

GND_DIG

Digital ground

PWRDN

Power down:

0: power stage is switched off then the PLL is also

switched off (this operation takes 13 million clock cycles)

1: normal operation

PWR

VDD_PLL

Positive supply for PLL

FILTER_PLL

Connection to PLL filter

PWR

GND_PLL

Negative supply for PLL

XTI

PLL input clock, 256 * fS, or 384 * fS

BICKI

I2S serial clock

LRCKI

I2S left/right clock

Obsolete

Product(s)

- Obsolete

Product(s)

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