CS5378-IS(2005) Ver la hoja de datos (PDF) - Cirrus Logic

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CS5378-IS
(Rev.:2005)

Low-power Single-channel Decimation Filter

Cirrus Logic 

CS5378

Microcontroller Boot Configuration Commands

Name

NOP

WRITE DF REGISTER

READ DF REGISTER

WRITE FIR COEFFICIENTS

WRITE IIR COEFFICIENTS

WRITE ROM COEFFICIENTS

NOP

NOP

FILTER START

FILTER STOP

CMD

24-bit

000000

000001

000002

000003

000004

000005

000006

000007

000008

000009

DAT1

24-bit

-

REG

REG

[DATA]

NUM FIR1

(FIR COEF)

a11

b11

a22

b21

COEF SEL

-

-

-

-

EEPROM Boot Configuration Commands

DAT2

24-bit

-

DATA

-

-

NUM FIR2

(FIR COEF)

b10

a21

b20

b22

-

-

-

-

-

Description

No Operation

Write Digital Filter Register

Read Digital Filter Register

Write Custom FIR Coefficients

Write Custom IIR Coefficients

Use On-Chip Coefficients

No Operation

No Operation

Start Digital Filter Operation

Stop Digital Filter Operation

Name

NOP

WRITE DF REGISTER

WRITE FIR COEFFICIENTS

WRITE IIR COEFFICIENTS

WRITE ROM COEFFICIENTS

NOP

NOP

FILTER START

CMD

8-bit

00

01

02

03

04

05

06

07

DATA

24-bit

-

REG

DATA

NUM FIR1

NUM FIR2

(FIR COEF)

a11

b10

b11

a21

a22

b20

b21

b22

COEF SEL

-

-

-

Description

No Operation

Write Digital Filter Register

Write Custom FIR Coefficients

Write Custom IIR Coefficients

Use On-Chip Coefficients

No Operation

No Operation

Start Digital Filter Operation

[DATA] indicates data word returned from digital filter.

(DATA) indicates multiple words of this type are to be written.

Table 1. Microcontroller and EEPROM Configuration Commands

DS639F1

9

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