Data Sheet
AD5940
LOW POWER TIA CIRCUITS REGISTERS
Table 21. Low Power TIA and DAC Registers Summary
Address
0x000020E4
0x000020EC
Name
LPTIASW0
LPTIACON0
Description
Low power TIA switch configuration
Low power TIA control bits, Channel 0
Reset
0x00000000
0x00000003
Access
R/W
R/W
Low Power TIA Switch Configuration Register—LPTIASW0
Address 0x000020E4, Reset: 0x00000000, Name: LPTIASW0
Table 22. Bit Descriptions for LPTIASW0 Register
Bits
Bit Name
Settings
Description
Reset Access
[31:16] Reserved
Reserved.
0x0
0x0
R
15
RECAL
SW15 switch control, active high.
Opens switch.
Closes switch.
R/W
0
1
14
13
Reserved
SW13
Reserved.
SW13 switch control, active high.
Opens switch.
0x0
0x0
R/W
R/W
0
1
Closes switch.
12
11
10
9
SW12
SW11
SW10
SW9
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW12 switch control, active high.
Opens switch.
Closes switch.
SW11 switch control, active high.
Opens switch.
Closes switch.
SW10 switch control, active high.
Opens switch.
Closes switch.
SW9 switch control, active high.
Opens switch.
Closes switch.
SW8 switch control, active high.
Opens switch.
Closes switch.
SW7 switch control, active high.
Opens switch.
Closes switch.
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
1
0
1
0
1
0
1
8
0
1
7
0
1
6
SW6 switch control, active high.
Opens switch.
Closes switch.
SW5 switch control, active high.
Opens switch.
Closes switch.
SW4 switch control, active high.
Opens switch.
Closes switch.
SW3 switch control, active high.
Opens switch.
Closes switch.
0
1
5
0
1
4
0
1
3
0
1
2
SW2 switch control, active high.
Opens switch.
Closes switch.
0
1
Rev. 0 | Page 37 of 130
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