AD5940
Data Sheet
Switch Matrix Full Configuration Tx/TR1 Register—TSWFULLCON
Address 0x0000215C, Reset: 0x00000000, Name: TSWFULLCON
The TSWFULLCON register allows individual control of the Tx/TR1 switches. The bit names are the same as the switch names shown in
Figure 33.
Table 86. Bit Descriptions for TSWFULLCON Register
Bits
Bit Name
Settings Description
Reset Access
[31:12] Reserved
Reserved.
0x0
0x0
R
R/W
11
TR1
Control of the TR1 switch. Setting this bit closes TR1. The TR1 switch is open if this bit
is not set. This bit connects the RCAL1 pin to the inverting input of the high speed
TIA.
0
1
Switch open.
Switch closed.
Reserved.
10
9
Reserved
T10
0x0
0x0
R/W
R/W
Control of the T10 switch. Setting this bit closes T10. The T10 switch is open if this bit
is not set. This bit connects the DE0 pin to the inverting input of the high speed TIA.
0
1
Switch open.
Switch closed.
8
T9
Control of the T9 switch. Setting this bit closes T9. The T9 switch is open if this bit is
not set. This switch is used in conjunction with the T10 switch.
0x0
R/W
0
1
Switch open. When open, the inverting input of the high speed TIA can be DE0 via
the T10 switch.
Switch closed. Ensure that T10 is open. The inverting input of the high speed TIA is
determined by T1, T2, T3, T4, T5, and T6.
7
6
Reserved
T7
Reserved.
0x0
0x0
R/W
R/W
Control of the T7 switch. Setting this bit closes T7. The T7 switch is open if this bit is
not set.
0
1
Switch open.
Switch closed.
5
4
3
2
T6
T5
T4
T3
Control of the T6 switch. Setting this bit closes T6. The T6 switch is open if this bit is
not set. This bit allows connection of the RCALx path to the DE0 input to calibrate
the RLOAD_DE0 and RTIA_DE0 resistors.
Switch open.
Switch closed.
0x0
0x0
0x0
0x0
R/W
R/W
R/W
R/W
0
1
Control of the T5 switch. Setting this bit closes T5. The T5 switch is open if this bit is
not set. This bit connects the inverting input of the high speed TIA to the SE0 pin the
via T9 switch and RLOAD_SE0
.
0
1
Switch open.
Switch closed.
Control of the T4 switch. Setting this bit closes T4. The T4 switch is open if this bit is
not set. This bit connects the inverting input of the high speed TIA to the AIN3 pin via
the T9 switch.
Switch open.
Switch closed.
0
1
Control of the T3 switch. Setting this bit closes T3. The T3 switch is open if this bit is
not set. This bit connects the inverting input of the high speed TIA to the AIN2 pin
via the T9 switch.
0
1
Switch open.
Switch closed.
Rev. 0 | Page 76 of 130
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