CDB6403 データシートの表示（PDF） - Cirrus Logic

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CDB6403

Echo-Cancelling Codec

Cirrus Logic 

CS6403

After reset (or after CR0 is written), at least four

data words must be written to the CS6403 before

another control-word access may be executed.

For example, the following serial-data sequence

will reset the CS6403, set CR0 to a new value,

and initialize CR1 and CR2:

hex data

8800

8000

8400

8[0-3]XX

0000

0000

0000

0000

9XXX

AXXX

0000

intent

Software reset

Release reset

Enter "sleep" mode

Update CR0 (with "[0-3]XX")

dummy data 1

dummy data 2

dummy data 3

dummy data 4

Update CR1

Update CR2

First real data item

In the following tables describing each bit of the

control registers, the bit names of each 12-bit

register are at the top of the page. The Reset

state of each register is shown immediately be-

low the bit names at the top of the page. The

Reset state is also noted by an "R" beside the

appropriate value in the "value" column.

18

DS192PP6

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