LAN8820 Datasheet, PDF (50/83 Pages) Microchip Technology – RGMII 10/100/1000 Ethernet Transceiver

LAN8820/LAN8820I
Bits
Description
Type
7
INT7
0 = Not source of interrupt
1 = ENERGYON generated
LH/WC
This bit is set when there is a “0” to “1” transition of the ENERGYON bit in
the 10/100 Mode Control/Status Register. This occurs when transitioning
from no energy detected to energy detected, or vice versa.
6
INT6
0 = Not source of interrupt
1 = Auto-Negotiation complete
LH/WC
5
INT5
0 = Not source of interrupt
1 = Remote Fault Detected
LH/WC
4
INT4
0 = Not source of interrupt
1 = Link Down (link status negated)
LH/WC
3
INT3
0 = Not source of interrupt
1 = Auto-Negotiation LP Acknowledged
LH/WC
2
INT2
0 = Not source of interrupt
1 = Parallel Detection Fault or Master/Slave Configuration Fault
LH/WC
1
INT1
0 = Not source of interrupt
1 = Auto-Negotiation Page Received
LH/WC
0
RESERVED
RO
Default
0b
0b
0b
0b
0b
0b
0b
-
Note: Refer to Section 3.5, "Interrupt Management," on page 21 for additional information.
4.2.21 INTERRUPT MASK REGISTER
Index (In Decimal): 30
Size:
16 bits
Bits
15:11
10
9
8
Description
RESERVED
INT10_EN
Transmitter Elastic Buffer Overflow interrupt enable.
0 = interrupt source is masked
1 = interrupt source is enabled
INT9_EN
Transmitter Elastic Buffer Underflow interrupt enable.
0 = interrupt source is masked
1 = interrupt source is enabled
INT8_EN
Idle Error Count Overflow interrupt enable.
0 = interrupt source is masked
1 = interrupt source is enabled
DS00001871B-page 50
Type
RO
R/W
Default
-
0b
R/W
0b
R/W
0b
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