CS5376A(2004) 查看數據表（PDF） - Cirrus Logic
零件编号
产品描述 (功能)
生产厂家
CS5376A Datasheet PDF : 107 Pages
| |||
CS5376A
Sample Command:
Write IIR1 coefficients 0x84BC9D, 0x7DA1B1,
0x825E4F, and IIR2 coefficients 0x83694F,
0x3CAD5F, 0x3E5104, 0x835DF8, 0x3E5104.
03
84 BC 9D 7D A1 B1 82 5E 4F 83 69 4F
3C AD 5F 3E 51 04 83 5D F8 3E 51 04
Write ROM Coefficients - 0x04
This EEPROM command selects the on-chip coef-
ficients for the FIR1, FIR2, IIR 1st order, and IIR
2nd order filters for use by the digital filter. One
data word is required to select which internal coef-
ficient sets to use. See “Filter Coefficient Selec-
tion” on page 41 for information about selecting
on-chip FIR and IIR coefficient sets.
Sample Command:
Select IIR1 and IIR2 3 Hz @ 500 SPS low-cut co-
efficients, with FIR1 and FIR2 linear phase high-
cut coefficients. Data word 0x002200.
04 00 22 00
Write TBS Data - 0x05
This EEPROM command writes a custom data set
for the test bit stream (TBS) generator. This com-
mand, along with the ability to program the test bit
stream generator interpolation and clock rate, can
create custom frequency test signals.
The first data word sets the number of TBS data to
be written and the remaining data words are the
TBS data values. See “Test Bit Stream Generator”
on page 64 for information about using custom test
bit stream data sets.
Name
NOP
WRITE DF REGISTER
WRITE FIR COEFFICIENTS
WRITE IIR COEFFICIENTS
WRITE ROM COEFFICIENTS
WRITE TBS DATA
WRITE ROM TBS
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
NUM TBS
(TBS DATA)
-
-
Description
No Operation
Write Digital Filter Register
Write Custom FIR Coefficients
Write Custom IIR Coefficients
Use On-Chip Coefficients
Write Custom Test Bit Stream Data
Use On-Chip TBS Data
Start Digital Filter Operation
(DATA) indicates multiple words of this type are to be written.
Table 5. EEPROM Boot Configuration Commands
29
Share Link: 