CS42448 datasheet(44/70 Pages) CIRRUS

44 / 70 page

DS648PP2

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.

6.1

MEMORY ADDRESS POINTER (MAP)

Not a register

6.1.1

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.

6.1.2

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.

6.2

CHIP I.D. AND REVISION REGISTER (ADDRESS 01H) (READ ONLY)

6.2.1

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

Default = 0001

Function:

I.D. code for the CS42448. Permanently set to 0001.

6.2.2

CHIP REVISION (REV_ID[3:0])

Default = 0001

Function:

CS42448 revision level. Revision A is coded as 0001.

654

INCR

MAP6

MAP5

MAP4

MAP3

MAP2

MAP1

MAP0

654

Chip_ID3

Chip_ID2

Chip_ID1

Chip_ID0

Rev_ID3

Rev_ID2

Rev_ID1

Rev_ID0

CS42448 数据表(PDF) 44 Page - Cirrus Logic

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