cs5378 Cirrus Logic, Inc., cs5378 Datasheet - Page 74

• Manufacturer Part Number: cs5378
• Description: Low-power Single-channel Decimation Filter
• Manufacturer: Cirrus Logic, Inc.

20.2.3
DS639F1
Bit definitions:
23:21 --
20:16 EXP[4:0] OFFSET calibration
(MSB) 23
DEC3
R/W
R/W
R/W
15
--
--
0
0
7
0
FILTCFG : 0x20
ORCAL
DEC2
R/W
R/W
R/W
22
14
reserved
exponent
--
0
0
6
0
Figure 45. Filter Configuration Register FILTCFG
USEOR
DEC1
R/W
R/W
R/W
21
13
--
0
0
5
0
USEGR
EXP4
DEC0
R/W
R/W
R/W
15
14
13
12
11
10:8
20
12
0
0
4
0
--
ORCAL
USEOR
USEGR
--
FSEL[2:0] Output filter stage select
EXP3
R/W
R/W
R/W
19
11
--
--
0
0
3
0
reserved
Run OFFSET calibration
1: Enable
0: Disable
Use OFFSET correction
1: Enable
0: Disable
Use GAIN correction
1: Enable
0: Disable
reserved
111: reserved
110: reserved
101: IIR 3rd Order
100: IIR 2nd Order
011: IIR 1st Order
010: FIR2 Output
001: FIR1 Output
000: SINC Output
FSEL2
EXP2
R/W
R/W
R/W
18
10
--
0
0
2
0
FSEL1
EXP1
R/W
R/W
R/W
17
--
0
9
0
1
0
7:4
3:0
(LSB) 0
DEC[3:0]
--
FSEL0
EXP0
R/W
R/W
R/W
16
--
0
8
0
0
Decimation selection
(Output word rate)
0111: 4000 SPS
0110: 2000 SPS
0101: 1000 SPS
0100: 500 SPS
0011: 333 SPS
0010: 250 SPS
0001: 200 SPS
0000: 125 SPS
1111: 100 SPS
1110: 50 SPS
1101: 40 SPS
1100: 25 SPS
1011: 20 SPS
1010: 10 SPS
1001: 5 SPS
1000: 1 SPS
reserved
DF Address: 0x20
--
R
W
R/W
Bits in bottom rows
are reset condition
Not defined;
read as 0
Readable
Writable
Readable and
Writable
CS5378
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