Cirrus Logic CS5528 - Manual (Page 27)

CS5521/22/23/24/28
DS317F8 27
* R indicates the bit value after the part is reset
CSR (Channel-Setup Register) CSR CSR
#1 Setup 1
Bits <47:36>
Setup 2
Bits <35:24>
#1 Setup 1
Bits <95:84>
Setup 2
Bits <83:72>
#1 Setup 1
Bits <191:180>
Setup 2
Bits <179:168>
#2 Setup 3
Bits <23:12>
Setup 4
Bits <11:0>
#4 Setup 7
Bits <23:12>
Setup 8
Bits <11:0>
#8 Setup 15
Bits <23:12>
Setup 16
Bits <11:0>
CS5521/22 CS5523/24 CS5528
D23(MSB) D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
A1 A0 CS2 CS1 CS0 WR2 WR1 WR0 G2 G1 G0 U/B
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
A1 A0 CS2 CS1 CS0 WR2 WR1 WR0 G2 G1 G0 U/B
BIT NAME VALUE FUNCTION
D23-D22/
D11-D10 Latch Outputs, A1-A0 00 *R Latch Output Pins A1-A0 mimic D23/D11-D22/D10 register bits.
D21-D19/
D9-D7 Channel Select, CS2-
CS0 000
001
010
011
100
101
110
111
R Select physical channel 1 (All devices)
Select physical channel 2(All devices)
Select physical channel 3 (CS5523/24/28 only)
Select physical channel 4 (CS5523/24/28 only)
Select physical channel 5 (CS5528 only)
Select physical channel 6 (CS5528 only)
Select physical channel 7 (CS5528 only)
Select physical channel 8 (CS5528 only)
D18-D16/
D6-D4 Word Rate, WR2-WR0 000
001
010
011
100
101
110
111
R 15.0 Sps (2180 XIN cycles).
30.0 Sps (1092 XIN cycles).
61.6 Sps (532 XIN cycles).
84.5 Sps (388 XIN cycles).
101.1 Sps (324 XIN cycles).
1.88 Sps (17444 XIN cycles).
3.76 Sps (8724 XIN cycles).
7.51 Sps (4364 XIN cycles).
D15-D13/
D3-D1 Gain Bits, G2-G0 000
001
010
011
100
101
110
111
R 100 mV (assumes VREF Differential = 2.5 V)
55 mV
25 mV
1.0 V
5.0 V
2.5 V
Not used.
Not used.
D12/D0 Unipolar/Bipolar, U/B 0
1 R Bipolar measurement mode.
Unipolar measurement mode.
Table 3. Channel-Setup Registers