Datasheet
AD9548 Data Sheet
Rev. E | Page 74 of 112
Table 54. IRQ Mask for Reference Inputs
Address Bits Bit Name Description
0x020D [7] Ref AA new profile Enables IRQ for indicating that Ref AA has switched to a new profile
[6]
Ref AA validated
Enables IRQ for indicating that Ref AA has been validated
[5] Ref AA fault cleared Enables IRQ for indicating that Ref AA has been cleared of a previous fault
[4] Ref AA fault Enables IRQ for indicating that Ref AA has been faulted
[3] Ref A new profile Enables IRQ for indicating that Ref A has switched to a new profile
[2] Ref A validated Enables IRQ for indicating that Ref A has been validated
[1] Ref A fault cleared Enables IRQ for indicating that Ref A has been cleared of a previous fault
[0] Ref A fault Enables IRQ for indicating that Ref A has been faulted
0x020E [7] Ref BB new profile Enables IRQ for indicating that Ref BB has switched to a new profile
[6] Ref BB validated Enables IRQ for indicating that Ref BB has been validated
[5] Ref BB fault cleared Enables IRQ for indicating that Ref BB has been cleared of a previous fault
[4]
Ref BB fault
Enables IRQ for indicating that Ref BB has been faulted
[3] Ref B new profile Enables IRQ for indicating that Ref B has switched to a new profile
[2] Ref B validated Enables IRQ for indicating that Ref B has been validated
[1] Ref B fault cleared Enables IRQ for indicating that Ref B has been cleared of a previous fault
[0] Ref B fault Enables IRQ for indicating that Ref B has been faulted
0x020F [7] Ref CC new profile Enables IRQ for indicating that Ref CC has switched to a new profile
[6] Ref CC validated Enables IRQ for indicating that Ref CC has been validated
[5] Ref CC fault cleared Enables IRQ for indicating that Ref CC has been cleared of a previous fault
[4] Ref CC fault Enables IRQ for indicating that Ref CC has been faulted
[3]
Ref C new profile
Enables IRQ for indicating that Ref C has switched to a new profile
[2] Ref C validated Enables IRQ for indicating that Ref C has been validated
[1] Ref C fault cleared Enables IRQ for indicating that Ref C has been cleared of a previous fault
[0]
Ref C fault
Enables IRQ for indicating that Ref C has been faulted
0x0210 [7] Ref DD new profile Enables IRQ for indicating that Ref DD has switched to a new profile
[6] Ref DD validated Enables IRQ for indicating that Ref DD has been validated
[5] Ref DD fault cleared Enables IRQ for indicating that Ref DD has been cleared of a previous fault
[4] Ref DD fault Enables IRQ for indicating that Ref DD has been faulted
[3] Ref D new profile Enables IRQ for indicating that Ref D has switched to a new profile
[2] Ref D validated Enables IRQ for indicating that Ref D has been validated
[1] Ref D fault cleared Enables IRQ for indicating that Ref D has been cleared of a previous fault
[0] Ref D fault Enables IRQ for indicating that Ref D has been faulted
Table 55. Watchdog Timer
1
Address Bits Bit Name Description
0x0211 [7:0] Watchdog timer Watchdog timer, Bits[7:0] (default = 0x00)
0x0212 [7:0] Watchdog timer, Bits[15:8] (default = 0x00)
1
The watchdog timer is expressed in milliseconds. The default value is 0 (disabled).
Table 56. Auxiliary DAC
1
Address Bits Bit Name Description
0x0213 [7:0] Full-scale current Full scale current, Bits[7:0] (default = 0xFF)
0x0214
[7] DAC shutdown Shut down the DAC current sources.
0 (default) = normal operation
1 = shut down
[6:2] Unused
[1:0] Full-scale current Full-scale current, Bits[9:8] (default = 0b01)
(default current = 0x1FF, or 20.1 mA)
1
The default DAC full-scale current value is 0x01FF = 511, which equates to 20.1375 mA.