CS5522-AP datasheet(27/56 Pages) CIRRUS

27 / 56 page

CS5521/22/23/24/28

DS317F2

* R indicates the bit value after the part is reset

CSR (Channel-Setup Register)

CSR

LC (Log. Channel) 1

Bits <47:36>

LC 2

Bits <35:24>

LC 1

Bits <95:84>

LC 2

Bits <83:72>

LC 1

Bits <191:180>

LC 2

Bits <179:168>

LC 3

Bits <23:12>

LC 4

Bits <11:0>

LC 7

Bits <23:12>

LC 8

Bits <11:0>

LC 15

Bits <23:12>

LC 16

Bits <11:0>

CS5521/22

CS5523/24

CS5528

D23(MSB)

D22

D21

D20

D19

D18

D17

D16

D15

D14

D13

D12

CS2

CS1

CS0

WR2

WR1

WR0

U/B

D11

D10

CS2

CS1

CS0

WR2

WR1

WR0

U/B

BIT

NAME

VALUE

FUNCTION

D23-D22/

D11-D10

Latch Outputs, A1-A0

*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 Hz (2180 XIN cycles).

30.0 Hz (1092 XIN cycles).

61.6 Hz (532 XIN cycles).

84.5 Hz (388 XIN cycles).

101.1 Hz (324 XIN cycles).

1.88 Hz (17444 XIN cycles).

3.76 Hz (8724 XIN cycles).

7.51 Hz (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.

D12/D0

Unipolar/Bipolar, U/B

R Bipolar measurement mode.

Unipolar measurement mode.

Table 3. Channel-Setup Registers

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