TMPR4937 datasheet(428/552 Pages) TOSHIBA

428 / 552 page

Chapter 14 AC-link Controller

14-22

14.4.3 ACLC CODEC Register Access Register

0xF708

CODEC registers can be accessed through this register.

CODE

CRD

Reserved

CODECID

Reserved

REGADR

R/W

: Type

: Initial value

REGDAT

R/W

: Type

: Initial value

Bit

Mnemonic

Field Name

Description

Read/Write

CODECRD: AC’97 register read access

CODECRD

AC’97 register

read access

0: Indicates a write access.

1: Indicates a read access.

30:26

—

Reserved

⎯

CODECID: AC’97 CODEC ID

25:24

CODECID

AC’97 CODEC

Specifies the CODEC ID of the read/write access destination.

The values “0” through “3” can be specified as the CODEC ID, but

the number of CODECs actually supported depends on the

configuration.

—

Reserved

⎯

REGADR: AC’97 register address

R/W

22:16

REGADR

AC’97 register

address

Read address. Valid address can be read after read access is

complete.

Specifies the read/write access destination address.

REGDAT: AC’97 register data

R/W

15:0

REGDAT

AC’97 register

data

Read data. Valid data can be read after read access is complete.

Write data.

Figure 14.4.3 ACREGACC

This register must not be read from or written to until access completion is reported through the

ACINTSTS register.

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