AX88180 datasheet(16/47 Pages) ASIX

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AX88180

ASIX ELECTRONICS CORPORATION

4.1 CMD--Command Register

Offset Address = 0xFC00

Default = 0x0000_0201

Field

Name

Type

Default

Description

31:16

R/W

All 0’s

Reserved

RXVLAN

R/W

RX VLAN indicator

Driver enables this bit to indicate AX88180 that the received packet will

include 4 bytes VLAN tag; AX88180 will skip 4 bytes when it calculates the

checksum of IP, TCP or UDP packet.

1 = enable

0 = disable

TXVLAN

R/W

TX VLAN indicator

Driver enables this bit to indicate AX88180 that the transmitted packet will

include 4 bytes VLAN tag; AX88180 will skip 4 bytes when it calculates the

checksum of IP, TCP or UDP packet.

1 = enable

0 = disable

13:10

R/W

All 0’s

Reserved

RXEN

R/W

RX Function Enable

When this bit is enabled, MAC starts to receive packets.

1 = enable

0 = disable

TXEN

R/W

TX Function Enable

When this bit is enabled, MAC could start to transmit packet to Ethernet.

1 = enable

0 = disable

R/W

Reserved

INTMOD

R/W

Interrupt Active Mode

Driver sets this bit to indicate AX88180 the interrupt of system is activated

high or low.

1: Active high

0: Active low

5:1

R/W

All 0’s

Reserved

WAKEMOD

R/W

WAKEUP pin polarity

Driver sets this bit to indicate AX88180 the polarity of system wake-up signal

is activated high or low.

1: Active high

0: Active low

4.2 IMR--Interrupt Mask Register

Offset Address = 0xFC04

Default = 0x0000_0000

Field

Name

Type

Default

Description

31:6

All 0’s

Reserved

PHYMASK

R/W

PHY interrupt Mask

When this bit is enabled, an interrupt request from PHY set in bit 5 of

Interrupt Status Register will make AX88180 to issue an interrupt to host.

1 = enable

0 = disable

PRIM

R/W

Packet Received Interrupt Mask

When this bit is enabled, a received interrupt request set in bit 4 of Interrupt

Status Register will make AX88180 to issue an interrupt to host.

1 = enable

0 = disable

PTIM

R/W

Packet Transmitted Interrupt Mask

When this bit is enabled, a transmitted interrupt request set in bit 3 of Interrupt

Status Register will make AX88180 issue an interrupt to host.

AX88180 Datasheet(PDF) 16 Page - ASIX Electronics Corporation

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