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XRT72L13 数据表(PDF) 98 Page - Exar Corporation |
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XRT72L13 数据表(HTML) 98 Page - Exar Corporation |
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98 / 370 page  XRT72L13 MULTIPLEXER/FRAMER IC áç áç áç áç PRELIMINARY REV. 1.0.6 86 2.3.2.6 Block Interrupt Enable Register Bit 7 - Rx DS3 Interrupt Enable This “Read/Write” bit-field permits the user to enable or disable all “Receive DS3 Framer” related interrupts (within the XRT72L13) at the “Block Level”. Setting this bit-field to “0” disables all “Receive DS3 Framer” related interrupts within the XRT72L13 M13 device. Setting this bit-field to “1” enables all “Receive DS3 Framer” related interrupts (within the XRT72L13 M13 device) at the “Block Level”. NOTE: Setting this bit-field to “1” does not enable all “Receive DS3 Framer” related interrupts. Each of these interrupts can still be disabled at the “Source” Level. How- ever, setting this bit-field to “0” does disable all “Receive DS3 Framer” related interrupt. Bit 4 - M13 Interrupt Enable This “Read/Write” bit-field permits the user to enable- or disable all “M13 Multiplexer” related interrupts (within the XRT72L13) at the “Block Level. Setting this bit-field to “0” disables all “M13 Multiplex- er” related interrupts within the XRT72L13 M13 de- vice. Setting this bit-field to “1” disables all “M13 Multiplex- er” related interrupts (within the XRT72L13 M13 de- vice) at the “Block Level”. Bit 1 - Tx DS3 Interrupt Enable This “Read/Write” bit-field permits the user to enable or disable the “Transmit DS3 Framer” related inter- rupts (within the XRT72L13) at the Block Level. Setting this bit-field to “0” disables all “Transmit DS3 Framer” related interrupts within the XRT72L13 M13 device. Setting this bit-field to “1” disables all “Transmit DS3 Framer” related interrupts (within the XRT72L13 M13 device) at the “Block Level”. Bit 0 - One Second Interrupt Enable This “Read/Write” bit-field permits the user to enable or disable the “One Second” Interrupt, within the XRT72L13. If this interrupt is enabled then the XRT72L13 will generate interrupts to the Micropro- cessor/Microcontroller at “one-second” intervals. Setting this bit-field to “0” disables the “One Second” interrupt. Conversely, setting this bit-field to “1” en- ables the “One Second” interrupt. 2.3.2.7 Block Interrupt Status Register Bit 7 - Rx DS3 Interrupt Status This “Read-Only” bit-field indicates whether or not a “Receive DS3 Framer” related Interrupt has been re- quested and is awaiting service. If this bit-field is set to “0”, then there are no “Receive DS3 Framer” related interrupts awaiting service. Conversely, if this bit-field is set to “1”, then there is at least one “Receive DS3 Framer” related interrupt, awaiting service. Bit 4 - M13 Multiplexer Interrupt Status BLOCK INTERRUPT ENABLE REGISTER (ADDRESS = 0X04) BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0 Rx DS3 Interrupt Enable Not Used Not Used M13 Interrupt Enable Not Used Not Used Tx DS3 Interrupt Enable] One Second Interrupt Enable] R/W R/O R/O R/W R/O R/O R/W R/W 0 0000 000 BLOCK INTERRUPT STATUS REGISTER (ADDRESS = 0X05) BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0 Rx DS3 Interrupt Status Not Used Not Used M13 Interrupt Status Not Used Not Used Tx DS3 Interrupt Status One Second Interrupt Status R/O R/O R/O R/O R/O R/O R/O RUR 0 0000 000 |
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