XRT86L30 datasheet(70/284 Pages) EXAR

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XRT86L30

SINGLE T1/E1/J1 FRAMER/LIU COMBO

REV. 1.0.1

DMA0_CHAN(2)

R/W

Channel Select

Selects which channel, within the chip, is to use the DMA_0 (Write)

interface.

000 = Channel 0

001 = Channel 1

001 = Channel 2

011 = Channel 3

100 = Channel 4

101 = Channel 5

110 = Channel 6

111 = Channel 7

DMA0_CHAN(1)

R/W

DMA0_CHAN(0)

R/W

TABLE 38: DMA 1 (READ) CONFIGURATION REGISTER

DMA 1 (READ) CONFIGURATION REGISTER (D1CR)

HEX ADDRESS: 0X0119

BIT

FUNCTION

TYPE

DEFAULT

DESCRIPTION-OPERATION

7-6

Reserved

DMA1 RST

R/W

DMA_1 Reset

Resets the DMA 1 Channel

0 = Normal operation.

1 = A zero to one transition resets DMA channel.

DMA1 ENB

R/W

DMA1_ENB

Enables DMA_1 interface

0 = Disables DMA_1 interface

1 = Enables DMA_1 interface

RD TYPE

R/W

Selects the function of pRD_L signal.

0 = RD functions as a Read Strobe signal

11 = RD acts as a direction signal, WR works as a data strobe.

4 - 3 Reserved

Reserved

DMA1_CHAN(2)

R/W

Channel Select

Selects which channel, within the chip, is to use the DMA_1 inter-

face.

000 = Channel 0

001 = Channel 1

001 = Channel 2

011 = Channel 3

100 = Channel 4

101 = Channel 5

110 = Channel 6

111 = Channel 7

DMA1_CHAN(1)

R/W

DMA1_CHAN(0)

R/W

TABLE 37: DMA 0 (WRITE) CONFIGURATION REGISTER

DMA 0 WRITE CONFIGURATION REGISTER (D 0 WCR)

HEX ADDRESS: 0X0118

BIT

FUNCTION

TYPE

DEFAULT

DESCRIPTION-OPERATION

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