參數(shù)資料
型號： AD9547/PCBZ
廠商： Analog Devices Inc
文件頁數(shù)： 75/104頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD9547
設(shè)計資源： AD9547 Schematic
AD9574 BOM
標(biāo)準(zhǔn)包裝： 1
主要目的： 計時，時鐘發(fā)生器
嵌入式： 否
已用 IC / 零件： AD9547
主要屬性： 2 個差分式或 4 個單端輸入
次要屬性： CMOS，LVPECL 和 LVDS 兼容
已供物品： 板
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 beenvalidated.
5
Ref AA fault cleared
Enables IRQ for indicating that Ref AA has beenclearedof a previous fault.
4
Ref AA fault
Enables IRQ for indicating that Ref AA has beenfaulted.
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 beenvalidated.
1
Ref A fault cleared
Enables IRQ for indicating that Ref A has beenclearedof a previous fault.
0
Ref A fault
Enables IRQ for indicating that Ref A has beenfaulted.
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 beenvalidated.
5
Ref BB fault cleared
Enables IRQ for indicating that Ref BB has beenclearedof a previous fault.
4
Ref BB fault
Enables IRQ for indicating that Ref BB has beenfaulted.
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 beenvalidated.
1
Ref B fault cleared
Enables IRQ for indicating that Ref B has beenclearedof a previous fault.
0
Ref B fault
Enables IRQ for indicating that Ref B has beenfaulted.
0x020F
[7:0]
Unused
Unused.
0x0210
[7:0]
Unused
Unused.
Table 56. Watchdog Timer1
Address
Bit
Bit Name
Description
0x0211
[7:0]
Watchdog timer
(expressedin 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 Current1
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 20.1375mA.
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