CS42438(2006) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS42438
(Rev.:2006)

108 dB, 192 kHz 6-In, 8-Out TDM CODEC

Cirrus Logic 

CS42438

7. REGISTER DESCRIPTION

All registers are read/write except for the I.D. and Revision Register and Interrupt Status Register which are read

only. See the following bit-definition tables for bit assignment information. The default state of each bit after a power-

up sequence or reset is listed in each bit description.

7.1 Memory Address Pointer (MAP)

Not a register

7

INCR

6

MAP6

5

MAP5

4

MAP4

3

MAP3

2

MAP2

1

MAP1

0

MAP0

7.1.1

Increment (INCR)

Default = 1

Function:

Memory address pointer auto increment control

0 - MAP is not incremented automatically.

1 - Internal MAP is automatically incremented after each read or write.

7.1.2

Memory Address Pointer (MAP[6:0])

Default = 0000001

Function:

Memory address pointer (MAP). Sets the register address that will be read or written by the control port.

7.2 Chip I.D. and Revision Register (Address 01h) (Read Only)

7

Chip_ID3

6

Chip_ID2

5

Chip_ID1

4

Chip_ID0

3

Rev_ID3

2

Rev_ID2

1

Rev_ID1

0

Rev_ID0

7.2.1

Chip I.D. (CHIP_ID[3:0])

Default = 0000

Function:

I.D. code for the CS42438. Permanently set to 0000.

7.2.2

Chip Revision (REV_ID[3:0])

Default = 0001

Function:

CS42438 revision level. Revision A is coded as 0001.

DS646F1

41

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