Datasheet

AD9547 Data Sheet
Rev. E | Page 72 of 104
Table 55. IRQ Mask for Reference Inputs
Address Bit 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 [7:0] Unused Unused.
0x0210
[7:0]
Unused
Unused.
Table 56. Watchdog Timer
1
Address
Bit
Bit Name
Description
0x0211
[7:0]
Watchdog timer
(expressed in ms)
Watchdog timer, Bits[7:0] (default = 0x00).
0x0212 [7:0] Watchdog timer, Bits[15:8] (default = 0x00).
1
The watchdog timer is expressed in units of milliseconds (ms). The default value is 0 (disabled).
Table 57. DAC Current
1
Address
Bit
Bit Name
Description
0x0213
[7:0]
DAC 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 Unused.
[1:0]
DAC 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.