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AD9559PCBZ Datasheet(PDF) 74 Page - Analog Devices |
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AD9559PCBZ Datasheet(HTML) 74 Page - Analog Devices |
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74 / 120 page  AD9559 Data Sheet Rev. 0 | Page 74 of 120 IRQ MASK (REGISTER 0x010A TO REGISTER 0x112) The IRQ mask register bits form a one-to-one correspondence with the bits of the IRQ monitor register (0x0D08 to 0x0D10). When set to Logic 1, the IRQ mask bits enable the corresponding IRQ monitor bits to indicate an IRQ event. The default for all IRQ mask bits is Logic 0, which prevents the IRQ monitor from detecting any internal interrupts. Table 41. IRQ Mask for SYSCLK, Watchdog Timer, and EEPROM Address Bits Bit Name Description 0x010A 7 Reserved Reserved. 6 SYSCLK unlocked Enables IRQ for indicating a SYSCLK PLL state transition from locked to unlocked. 5 SYSCLK stable Enables IRQ for indicating that SYSCLK stability time has expired and that the SYSCLK PLL is considered to be stable. 4 SYSCLK locked Enables IRQ for indicating a SYSCLK PLL state transition from unlocked to locked. 3 Watchdog timer Enables IRQ for indicating expiration of the watchdog timer. 2 Reserved Reserved. 1 EEPROM fault Enables IRQ for indicating a fault during an EEPROM load or save operation. 0 EEPROM complete Enables IRQ for indicating successful completion of an EEPROM load or save operation. Table 42. IRQ Mask for Reference Inputs Address Bits Bit Name Description 0x010B 7 Reserved Reserved. 6 REFB validated Enables IRQ for indicating that REFB has been validated. 5 REFB fault cleared Enables IRQ for indicating that REFB has been cleared of a previous fault. 4 REFB fault Enables IRQ for indicating that REFB has been faulted. 3 Reserved Reserved. 2 REFA validated Enables IRQ for indicating that REFA has been validated. 1 REFA fault cleared Enables IRQ for indicating that REFA has been cleared of a previous fault. 0 REFA fault Enables IRQ for indicating that REFA has been faulted. 0x010C 7 Reserved Reserved. 6 REFD validated Enables IRQ for indicating that REFD has been validated. 5 REFD fault cleared Enables IRQ for indicating that REFD has been cleared of a previous fault. 4 REFD fault Enables IRQ for indicating that REFD has been faulted. 3 Reserved Reserved. 2 REFC validated Enables IRQ for indicating that REFC has been validated. 1 REFC fault cleared Enables IRQ for indicating that REFC has been cleared of a previous fault. 0 REFC fault Enables IRQ for indicating that REFC has been faulted. |
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