LAN9313I SMSC [SMSC Corporation], LAN9313I Datasheet - Page 56
LAN9313I
Manufacturer Part Number
LAN9313I
Description
Three Port 10/100 Managed Ethernet Switch with MII
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN9313I.pdf
(398 pages)
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Revision 1.2 (04-08-08)
5.2.6
5.2.7
Software Interrupt
A general purpose software interrupt is provided in the top level
and
(INT_STS)
This interrupt provides an easy way for software to generate an interrupt, and is designed for general
software usage.
Device Ready Interrupt
A device ready interrupt is provided in the top-level
Enable Register
indicates that the LAN9313/LAN9313i is ready to be accessed after a power-up or reset condition.
Writing a 1 to this bit in the
In order for a device ready interrupt event to trigger the external IRQ interrupt pin, bit 30 of the
Enable Register (INT_EN)
Interrupt Configuration Register
Interrupt Enable Register
is generated when SW_INT_EN (bit 31) of the
(INT_EN). The READY interrupt (bit 30) of the
must be set, and IRQ output must be enabled via bit 8 (IRQ_EN) of the
Interrupt Status Register (INT_STS)
(INT_EN). The SW_INT interrupt (bit 31) of the
(IRQ_CFG).
DATASHEET
56
Interrupt Status Register (INT_STS)
Interrupt Enable Register (INT_EN)
Three Port 10/100 Managed Ethernet Switch with MII
will clear it.
Interrupt Status Register (INT_STS)
Interrupt Status Register (INT_STS)
Interrupt Status Register
SMSC LAN9313/LAN9313i
and
Datasheet
Interrupt
Interrupt
is set.
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