PCM3070 datasheet(5/50 Pages) TI2

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PCM3070

www.ti.com

SLAS724A – SEPTEMBER 2008 – REVISED NOVEMBER 2014

Pin Functions (continued)

NAME

TYPE(1)

DESCRIPTION

SCLK

Primary function: (SPI_Select = 1)

SPI serial clock

MFP3

Secondary function: (SPI_Select = 0)

Audio serial data bus (secondary) bit clock input

Audio serial data bus (secondary) DAC or common word clock input

Audio serial data bus (secondary) ADC word clock input

Audio serial data bus (secondary) data input

General Purpose Input

SCL/SS

I2C interface serial clock (SPI_Select = 0)

SPI interface mode chip-select signal (SPI_Select = 1)

SDA/MOSI

I2C interface mode serial data input (SPI_Select = 0)

SPI interface mode serial data input (SPI_Select = 1)

MISO

Primary function: (SPI_Select = 1)

Serial data output

MFP4

Secondary function: (SPI_Select = 0)

General purpose output

CLKOUT output

INT1 output

INT2 output

Audio serial data bus (primary) ADC word clock output

Audio serial data bus (secondary) data output

Audio serial data bus (secondary) bit clock output

Audio serial data bus (secondary) word clock output

SPI_ SELECT

Control mode select pin ( 1 = SPI, 0 = I2C )

IN1_L

Multifunction Analog Input,

or Single-ended configuration: Line 1 left

or Differential configuration: Line right, negative

IN1_R

Multifunction Analog Input,

or Single-ended configuration: or Line 1 right

or Differential configuration: Line right, positive

IN2_L

Multifunction Analog Input,

or Single-ended configuration: Line 2 left

or Differential configuration: Line left, positive

IN2_R

Multifunction Analog Input,

or Single-ended configuration: Line 2 right

or Differential configuration: Line left, negative

AVSS

Ground

Analog ground supply

REF

Reference voltage output for filtering

NC, do not connect

IN3_L

Multifunction Analog Input,

or Single-ended configuration: Line 3 left,

or Differential configuration: Line left, positive,

or Differential configuration: Line right, negative

IN3_R

Multifunction Analog Input,

or Single-ended configuration: Line 3 right,

or Differential configuration: Line left, negative,

or Differential configuration: Line right, positive

LOL

Left line output

LOR

Right line output

AVDD

Power

Analog voltage supply 1.5V–1.95V

Input when A-LDO disabled,

Filtering output when A-LDO enabled

HPL

Left high power output driver

LDOIN/HPVDD

Power

LDO Input supply and Headphone Power supply 1.9V– 3.6V

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