Data Sheet
AD5940
Bits
13
Bit Name
PL
Settings Description
PL switch control. This bit shorts the data out and positive nodes of the excitation
Reset Access
0x0
R/W
amplifier together.
Switch open.
Switch closed.
Reserved.
0
1
[12:11] Reserved
0x0
0x0
R/W
R/W
10
P11
Control of the P11 switch. Setting this bit closes the P11 switch. The P11 switch is
open if this bit is not set. This bit connects the positive node of the excitation
amplifier to the CE0 pin.
0
1
Switch open.
Switch closed.
Reserved.
9
8
Reserved
P9
0x0
R/W
R/W
Control of the P9 switch. Setting this bit closes the P9 switch. The P9 switch is open if 0x0
this bit is not set. This bit connects the positive node of the excitation amplifier to
the AFE3 pin.
0
1
Switch open.
Switch closed.
7
6
P8
P7
Control of the P8 switch. Setting this bit closes the P8 switch. The P8 switch is open if 0x0
this bit is not set. This bit connects the positive node of the excitation amplifier to
the DE0 pin.
Switch open.
Switch closed.
Control of the P7 switch. Setting this bit closes the P7 switch. The P7 switch is open if 0x0
this bit is not set. This bit connects the positive node of the excitation amplifier to
the SE0 pin.
R/W
R/W
0
1
0
1
Switch open.
Switch closed.
5
4
3
P6
P5
P4
Control of the P6 switch. Setting this bit closes P6. P6 is open if this bit is not set. This 0x0
bit connects the positive node of the excitation amplifier to the AFE2 pin.
Switch open.
Switch closed.
R/W
R/W
R/W
0
1
Control of the P5 switch. Setting this bit closes P5. The P5 switch is open if this bit is
not set. This bit connects the positive node of the excitation amplifier to the RE0 pin.
Switch open.
Switch closed.
0x0
0x0
0
1
Control of the P4 switch. Setting this bit closes P4. The P4 switch is open if this bit is
not set. This bit connects the positive node of the excitation amplifier to the
AIN3 pin.
0
1
Switch open.
Switch closed.
2
1
0
P3
Control of the P3 switch. Setting this bit closes P3. The P3 switch is open if this bit is
not set. This bit connects the positive node of the excitation amplifier to the AIN2
pin.
Switch open.
Switch closed.
0x0
0x0
0x0
R/W
R/W
R/W
0
1
P2
Control of the P2 switch. Setting this bit closes P2. The P2 switch is open if this bit is
not set. This bit connects the positive node of the excitation amplifier to the AIN1
pin.
Switch open.
Switch closed.
0
1
PR0
PR0 switch control. This bit connects the positive node of the excitation amplifier to
the RCAL0 pin.
0
1
Switch open.
Switch closed.
Rev. 0 | Page 75 of 130
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