Cirrus Logic CS5378 - Manual (Page 9)

CS5378
DS639F3 9
Microcontroller Boot Configuration Commands
EEPROM Boot Configuration Commands
[DATA] indicates data word returned from digital filter.
(DATA) indicates multiple words of this type are to be written.
Name CMD
24-bit
DAT1
24-bit
DAT2
24-bit
Description
NOP 000000 - - No Operation
WRITE DF REGISTER 000001 REG DATA Write Digital Filter Register
READ DF REGISTER 000002 REG
[DATA]
-
-
Read Digital Filter Register
WRITE FIR COEFFICIENTS 000003 NUM FIR1
(FIR COEF)
NUM FIR2
(FIR COEF)
Write Custom FIR Coefficients
WRITE IIR COEFFICIENTS 000004 a11
b11
a22
b21
b10
a21
b20
b22
Write Custom IIR Coefficients
WRITE ROM COEFFICIENTS 000005 COEF SEL - Use On-Chip Coefficients
NOP 000006 - - No Operation
NOP 000007 - - No Operation
FILTER START 000008 - - Start Digital Filter Operation
FILTER STOP 000009 - - Stop Digital Filter Operation
Name CMD
8-bit
DATA
24-bit Description
NOP 00 - No Operation
WRITE DF REGISTER 01 REG
DATA
Write Digital Filter Register
WRITE FIR COEFFICIENTS 02 NUM FIR1
NUM FIR2
(FIR COEF)
Write Custom FIR Coefficients
WRITE IIR COEFFICIENTS 03 a11
b10
b11
a21
a22
b20
b21
b22
Write Custom IIR Coefficients
WRITE ROM COEFFICIENTS 04 COEF SEL Use On-Chip Coefficients
NOP 05 - No Operation
NOP 06 - No Operation
FILTER START 07 - Start Digital Filter Operation
Table 1. Microcontroller and EEPROM Configuration Commands