XRT79L71 datasheet(95/441 Pages) EXAR

95 / 441 page

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PRELIMINARY

XRT79L71

1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

REV. P1.0.3

OPERATION INTERRUPT ENABLE REGISTER - BYTE 0 (ADDRESS = 0X0117)

BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0

Receive

UTOPIA/

POS-PHY

Interface

Block

Interrupt

Enable

Unused

Receive

ATM Cell/PPP

Processor

Block

Interrupt

Enable

Transmit

UTOPIA/

POS-PHY

Interface

Block

Interrupt

Enable

Unused

Transmit

ATM Cell/PPP

Processor

Block

Interrupt

Enable

R/W

R/O

R/W

R/O

R/W

0000

000

BIT NUMBER

NAME

TYPE

DESCRIPTION

Receive

UTOPIA/POS-PHY

Interface Block Interrupt

Enable

R/W

Receive UTOPIA/POS-PHY Interface Block Interrupt Enable:

This READ/WRITE bit permit the user to either enable or disable

the Receive UTOPIA/POS-PHY Interface Block for interrupt gen-

eration. If the user writes a "0" to this register bit and disables

the "Receive UTOPIA/POS-PHY Interface Block" (for interrupt

generation), then all "Receive UTOPIA/POS-PHY Interface

Block" interrupts will be disabled for interrupt generation. If the

user writes a "1" to this register bit, he/she will still need to

enable the individual "Receive UTOPIA/POS-PHY Interface

Block" interrupt(s) at the "Source Level" in order to enable that

particular interrupt.

0 - Disable all "Receive UTOPIA/POS-PHY Interface Block"

interrupts within the device.

1 - Enables the "Receive UTOPIA/POS-PHY Interface Block" at

the "Block-Level".

6 - 5

Unused

R/O

Receive

ATM Cell/PPP Processor

Block Interrupt Enable

R/W

Receive ATM Cell/PPP Processor Block Interrupt Enable:

This READ/WRITE bit permit the user to either enable or disable

the Receive ATM Cell/PPP Processor Block for interrupt genera-

tion. If the user writes a "0" to this register bit and disables the

"Receive ATM Cell/PPP Processor Block" (for interrupt genera-

tion), then all "Receive ATM Cell/PPP Processor Block" inter-

rupts will be disabled for interrupt generation. If the user writes a

"1" to this register bit, he/she will still need to enable the individ-

ual "Receive ATM Cell/PPP Processor Block" interrupt(s) at the

"Source Level" in order to enable that particular interrupt.

0 - Disable all "Receive ATM Cell/PPP Processor Block" inter-

rupts within the device.

1 - Enables the "Receive ATM Cell/PPP Processor Block" at the

"Block-Level".

XRT79L71 Datasheet(PDF) 95 Page - Exar Corporation

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