dp83630sqx National Semiconductor Corporation, dp83630sqx Datasheet - Page 56
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dp83630sqx
Manufacturer Part Number
dp83630sqx
Description
Precision Phyter - Ieee 1588 Precision Time Protocol Transceiver
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83630SQX.pdf
(126 pages)
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15:4
Bit
3
2
1
0
14.1.11 MII Interrupt Control Register (MICR)
This register implements the MII Interrupt PHY Specific Control register. Sources for interrupt generation include: Link Quality
Monitor, Energy Detect State Change, Link State Change, Speed Status Change, Duplex Status Change, Auto-Negotiation Com-
plete or any of the counters becoming half-full. The individual interrupt events must be enabled by setting bits in the MII Interrupt
Status and Event Control Register (MISR).
PTP_INT_SEL
RESERVED
Bit Name
INT_OE
INTEN
TINT
0000 0000 0000, RO RESERVED: Writes ignored, read as 0.
TABLE 24. MII Interrupt Control Register (MICR), address 0x11
Default
0, RW
0, RW
0, RW
0, RW
PTP Interrupt Select:
Maps PTP Interrupt to the MISR register in place of the Duplex Interrupt. The
Duplex Interrupt will be combined with the Speed Interrupt.
1 = Map PTP Interrupt to MISR[11] , Speed/Duplex Interrupt to MISR[12]
0 = Map Duplex Interrupt to MISR[11], Speed Interrupt to MISR[12]
Test Interrupt:
Forces the PHY to generate an interrupt to facilitate interrupt testing. Interrupts
will continue to be generated as long as this bit remains set.
1 = Generate an interrupt.
0 = Do not generate interrupt.
Interrupt Enable:
Enable interrupt dependent on the event enables in the MISR register.
1 = Enable event based interrupts.
0 = Disable event based interrupts.
Interrupt Output Enable:
Enable interrupt events to signal via the PWRDOWN/INTN pin by configuring the
PWRDOWN/INTN pin as an output.
1 = PWRDOWN/INTN is an Interrupt Output.
0 = PWRDOWN/INTN is a Power Down Input.
56
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