RT3050 datasheet(97/235 Pages) ETC1

97 / 235 page

RT3050/52

Datasheet

Preliminary

Revision August 14, 2008

DSR3050/52_V.2.0_081408

-97-

Form No.：QS-073-F02

Rev.：1

Kept by： DCC

Ret. T ime： 5 Years

Read to get the raw interrupt status

R/W

TX_DO NE_INT1

Tx queue#1 packet transmit interrupt

Write 1 to clear the interrupt.

Read to get the raw interrupt status

1’b0

R/W

TX_DO NE_INT0

Tx queue#0 packet transmit interrupt

Write 1 to clear the interrupt.

Read to get the raw interrupt status

1’b0

7:3

Reserved

5’b0

R/W

RX_DONE_INT0

Packet receive interrupt.

Write 1 to clear the interrupt.

Read to get the raw interrupt status

1’b0

R/W

TX_DLY_INT

Delayed version of TX_DONE_INT0 and TX_DONE_INT1. Write 1

to clear the interrupt.

Read to get the raw interrupt status

1’b0

R/W

RX_DLY_INT

Delayed version of RX_DONE_INT0.

Write 1 to clear the interrupt.

Read to get the raw interrupt status

1’b0

FE_INT_ENABLE: Frame Engine Interrupt Enable (offset: 0x14)

Bits

Type

Name

Description

Initial value

R/W

CNT_PPE_AF

PPE Counter Table Almost Full

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

Reserved

1’b0

R/W

CNT_GDM_AF

GDMA 1 & 2 Counter Table Almost Full

Write 1 to clear the interrupt.

Read to get the raw interrupt status

1’b0

28:27 -

Reserved

2’b0

R/W

PSE_P2_FC

PSE port2 (GDMA2) flow control asserted.

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

Reserved

1’b0

R/W

PSE_BUF_DROP

PSE discards a packet due to buffer sharing limitation (flow

control)

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

R/W

GDM_OTHER_

DROP

GDMA 1 & 2 discard a packet due to other reason (e.g. too

short, too long, FIFO overflow, checksum error,.., etc.)

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

R/W

PSE_P1_FC

PSE port1 (GDMA1) flow control asserted.

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

R/W

PSE_P0_FC

PSE port0 (CDMA) flow control asserted.

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

R/W

PSE_FQ_EMPTY

PSE free Q empty threshold reached & forced drop condition

occurred.

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

19-18 -

Reserved

2’b0

R/W

TX_COHERENT

TX_DMA finds data coherent event when checking ddone bit.

1 : Enable the interrupt

0 : Disable the interrupt

1’b0

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