LAN9303i SMSC [SMSC Corporation], LAN9303i Datasheet - Page 141
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LAN9303i
Manufacturer Part Number
LAN9303i
Description
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN9303I.pdf
(366 pages)
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Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
SMSC LAN9303/LAN9303i
BITS
3:1
4
0
IRQ Polarity (IRQ_POL)
When cleared, this bit enables the IRQ line to function as an active low
output. When set, the IRQ output is active high. When the IRQ is configured
as an open-drain output (via the IRQ_TYPE bit), this bit is ignored, and the
interrupt is always active low.
0: IRQ active low output
1: IRQ active high output
RESERVED
IRQ Buffer Type (IRQ_TYPE)
When this bit is cleared, the IRQ pin functions as an open-drain output for
use in a wired-or interrupt configuration. When set, the IRQ is a push-pull
driver.
Note:
0: IRQ pin open-drain output
1: IRQ pin push-pull driver
Note 13.1 Register bits designated as NASR are not reset when the
When configured as an open-drain output, the IRQ_POL bit is
ignored and the interrupt output is always active low.
in the
Reset Control Register (RESET_CTL)
DESCRIPTION
DATASHEET
141
is set.
Digital Reset (DIGITAL_RST)
Note 13.1
Note 13.1
NASR
NASR
TYPE
R/W
R/W
RO
Revision 1.3 (08-27-09)
DEFAULT
0b
0b
-
bit
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