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MT9074 Datasheet(PDF) 68 Page - Zarlink Semiconductor Inc |
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MT9074 Datasheet(HTML) 68 Page - Zarlink Semiconductor Inc |
68 / 151 page MT9074 Data Sheet 68 Zarlink Semiconductor Inc. Bit Name Functional Description 7 TFSYNIM Terminal Frame Synchronization Interrupt Mask. When unmasked an interrupt is initiated whenever a change of state of terminal frame synchronization condition exists. If 1 - unmasked, 0 - masked. 6 MFSYNIM Multiframe Synchronization Interrupt Mask. When unmasked an interrupt is initiated whenever a change of state of multiframe synchronization condition exist. If 1 - unmasked, 0 - masked. 5- - - Unused. 4 AISIM Alarm Indication Signal Interrupt Mask. When unmasked a change of state of received all ones condition will initiate an interrupt. If 1 - unmasked, 0 - masked. 3LOSIM Loss of Signal Interrupt Mask. When unmasked an interrupt is initiated whenever a change of state of loss of signal condition exists. If 1 - unmasked, 0 - masked. Interrupt vector = 01000000. 2 SEFIM Severely Errored Frame Interrupt Mask. When unmasked an interrupt is initiated when a sequence of 2 framing errors out of 6 occurs. If 1 - unmasked, 0 - masked. 1TxSLPIM Transmit SLIP Interrupt Mask. When unmasked an interrupt is initiated whenever a controlled frame slip occurs in the transmit elastic buffer. If 1 - unmasked, 0 - masked. 0RxSLPIM Receive SLIP Interrupt Mask. When unmasked an interrupt is initiated whenever a controlled frame slip occurs in the receive elastic buffer. If 1 - unmasked, 0 - masked. Table 32 - Interrupt Mask Word Zero (T1) (Page 1, Address 1BH) Bit Name Functional Description 7FEIM Framing Bit Error Interrupt Mask. When unmasked an interrupt is initiated whenever an erroneous framing bit is detected (provided the circuit is in terminal frame sync). If 1 - unmasked, 0 - masked. 6 CRCIM CRC-6 Error Interrupt Mask. When unmasked an interrupt is initiated whenever a local CRC-6 error occurs. If 1 - unmasked, 0 - masked. 5 YELIM Yellow Alarm Interrupt Mask. When unmasked detection of a yellow alarm triggers an interrupt. If 1 - unmasked, 0 - masked. 4COFAIM Change of Frame Alignment Interrupt Mask. When unmasked an interrupt is initiated whenever a change of frame alignment occurs after a reframe. If 1 - unmasked, 0 - masked. 3BPVIM Bipolar Violation Interrupt Mask. When unmasked an interrupt is initiated whenever a bipolar violation (excluding B8ZS encoding) is encountered. If 1- unmasked, 0 - masked. 2PRBSIM Psuedo Random Bit Sequence Error Interrupt Mask. When unmasked an interrupt will be generated upon detection of an error with a channel selected for PRBS testing. 1 - unmasked, 0 - masked. Table 33 - Interrupt Mask Word One (T1) (Page 1, Address 1CH |
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