TAS3002 datasheet(28/74 Pages) TI

28 / 74 page

4–4

4.8

Analog Control Register (40h)

The analog control register (ACR) allows control of de-emphasis, selection of the analog input channel to the ADC,

and analog power down.

An I2C master is required to write the appropriate command into the ACR. The ACR subaddress is 40h.

Bit

Type

R/W

Default

Table 4–1. Analog Control Register Description

BIT

FIELD NAME

TYPE

DESCRIPTION

Reserved

R/W

Reset to 0

Reserved

R/W

Reset to 0

5–4

Reserved

R/W

Reserved. Bits 5 and 4 return 0s when read.

3–2

DM(1–0)

R/W

De-emphasis control

00 = De-emphasis off (initial condition after reset)

01 = 48 kHz sample rate de-emphasis selected

10 = 44.1 kHz sample rate de-emphasis selected

11 = Reserved

INP

R/W

Analog input select

0 = LINA and RINA selected (initial condition after reset)

1 = LINB and RINB selected

APD

R/W

Analog power down

0 = Normal operation (initial condition after reset)

1 = Power down

TAS3002 Datasheet(PDF) 28 Page - Texas Instruments

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