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2 amp1cfg: 0x01, Amp1cfg: 0x01, Cs5374 – Cirrus Logic CS5374 User Manual

Page 36

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CS5374

CS5374

36

9.2 AMP1CFG: 0x01

(MSB)7

6

5

4

3

2

1

(LSB)0

PWDN1

HP1

MUX1_1

MUX1_0

GUARD

GAIN1_2

GAIN1_1

GAIN1_0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

0

0

0

0

0

0

0

0

Figure 21. Amplifier 1 Configuration Register AMP1CFG

Bit definitions:

7

PWDN1

Amplifier 1 Power Down
1: enable
0: disable

6

HP1

Amplifier 1 High Precision
1: enable
0: disable

5:4

MUX1[1:0] Input Multiplexer

11: INA1 + INB1
10: INA1 only
01: INB1 only
00: 800 ohm termination

3

GUARD

GUARD Output
1: disable
0: enable

2:0

GAIN1[2:0] Amplifier 1 Gain

111: reserved
110: 64x
101: 32x
100: 16x
011: 8x
010: 4x
001: 2x
000: 1x

Address: 0x01

--

Not defined
(read as 0)

R

Readable

W

Writable

R/W

Readable

and Writable

Bits in bottom rows
are reset condition

Reset Condition : 0000_0000 (0x00) : Default value

Normal Operation : 00MM_GGGG : MUX, GUARD and GAIN select

Power Down Operation : 1000_0000 (0x80) : PWDN enabled