XRT72L13 datasheet(169/370 Pages) EXAR

169 / 370 page

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M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC

XRT72L13

PRELIMINARY

REV. 1.0.6

157

2.3.2.111 M12 DS2 # 7 Loopback Interrupt/Inter-

rupt Enable Register

Bit 7 - DS1 Channel 27 Loop-back Request Inter-

rupt Status

This “Reset-upon-Read” bit-field indicates whether

the “DS1 Channel 27 Loop-back Request” interrupt

has occurred or not.

This bit-field will be set to “1” if the “DS1 Channel 27

Loop-back Request Interrupt” has occurred since the

last read of this register.

This bit-field will be set to “0” if the “DS1 Channel 27

Loop-back Request” interrupt has NOT occurred

since the last read of this register.

NOTE: This bit-field is ignored if the XRT72L13 is config-

ured to operate in the “ITU-T G.747 Mode”.

Bit 6 - DS1 Channel 26 Loop-back Request Inter-

rupt Status

This “Reset-upon-Read” bit-field indicates whether

the “DS1 Channel 26 Loop-back Request” interrupt

has occurred or not.

This bit-field will be set to “1” if the “DS1 Channel 26

Loop-back Request Interrupt” has occurred since the

last read of this register.

This bit-field will be set to “0” if the “DS1 Channel 26

Loop-back Request” interrupt has NOT occurred

since the last read of this register.

Bit 5 - DS1 Channel 25 Loop-back Request Inter-

rupt Status

This “Reset-upon-Read” bit-field indicates whether

the “DS1 Channel 25 Loop-back Request” interrupt

has occurred or not.

This bit-field will be set to “1” if the “DS1 Channel 25

Loop-back Request Interrupt” has occurred since the

last read of this register.

This bit-field will be set to “0” if the “DS1 Channel 25

Loop-back Request” interrupt has NOT occurred

since the last read of this register.

Bit 4 - DS1 Channel 24 Loop-back Request Inter-

rupt Status

This “Reset-upon-Read” bit-field indicates whether

the “DS1 Channel 24 Loop-back Request” interrupt

has occurred or not.

This bit-field will be set to “1” if the “DS1 Channel 24

Loop-back Request Interrupt” has occurred since the

last read of this register.

This bit-field will be set to “0” if the “DS1 Channel 24

Loop-back Request” interrupt has NOT occurred

since the last read of this register.

Bit 3 - DS1 Channel 27 Loop-back Request Inter-

rupt Enable

This “Read/Write” bit-field permits the user to enable

or disable the “DS1 Channel 27 Loop-back Request”

Interrupt.

Setting this bit to “0” disables this interrupt. Con-

versely, setting this bit to “1” enables this interrupt.

NOTE: This bit-field is ignored if the XRT72L13 is config-

ured to operate in the “ITU-T G.747 Mode”.

Bit 2 - DS1 Channel 26 Loop-back Request Inter-

rupt Enable

This “Read/Write” bit-field permits the user to enable

or disable the “DS1 Channel 26 Loop-back Request”

Interrupt.

Setting this bit to “0” disables this interrupt. Con-

versely, setting this bit to “1” enables this interrupt.

Bit 1 - DS1 Channel 25 Loop-back Request Inter-

rupt Enable

This “Read/Write” bit-field permits the user to enable

or disable the “DS1 Channel 25 Loop-back Request”

Interrupt.

Setting this bit to “0” disables this interrupt. Con-

versely, setting this bit to “1” enables this interrupt.

M12 DS2 # 7 LOOP-BACK INTERRUPT/INTERRUPT ENABLE REGISTER (ADDRESS = 0X9F)

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

DS1

Channel 27

Loop-back

Request

Interrupt

Status

DS1

Channel 26

Loop-back

Request

Interrupt

Status

DS1

Channel 25

Loop-back

Request

Interrupt

Status

DS1

Channel 24

Loop-back

Request

Interrupt

Status

DS1

Channel 27

Loop-backj

Request

Interrupt

Enable

DS1

Channel 26

Loop-backj

Request

Interrupt

Enable

DS1

Channel 25

Loop-backj

Request

Interrupt

Enable

DS1

Channel 24

Loop-backj

Request

Interrupt

Enable

RUR

R/W

R/W/

R/W

0000

000

XRT72L13 Datasheet(PDF) 169 Page - Exar Corporation

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