XRT72L13 datasheet(121/370 Pages) EXAR

121 / 370 page

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M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC

XRT72L13

PRELIMINARY

REV. 1.0.6

109

Setting this bit-field to “0” permits the contents of DS1

Channel 14 to be transmitted as received (via the

TxDS1Data14 input pin).

Setting this bit-field to “1” configures the XRT72L13

M13 device to overwrite this data with an AIS (all

ones pattern).

Bit 1 - Insert AIS Tx DS1 Channel 13

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

ure the contents of the “outbound” DS1 Channel 13 to

be overwritten with an “All Ones” pattern.

Setting this bit-field to “0” permits the contents of DS1

Channel 13 to be transmitted as received (via the

TxDS1Data13 input pin).

Setting this bit-field to “1” configures the XRT72L13

M13 device to overwrite this data with an AIS (all

ones pattern).

Bit 0 - Insert AIS Tx DS1 Channel 12

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

ure the contents of the “outbound” DS1 Channel 12 to

be overwritten with an “All Ones” pattern.

Setting this bit-field to “0” permits the contents of DS1

Channel 12 to be transmitted as received (via the

TxDS1Data12 input pin).

Setting this bit-field to “1” configures the XRT72L13

M13 device to overwrite this data with an AIS (all

ones pattern).

2.3.2.35 M12 DS2 # 5 AIS Register )

Bit 7 - Insert AIS Rx DS1 Channel 19

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

ure the contents of the “inbound” DS1 Channel 19 to

be overwritten with an “All Ones” pattern.

Setting this bit-field to “0” permits data to be output

(via the RxDS1Data19 output pin, as demultiplexed

via the inbound DS2 and DS3 data streams.

Setting this bit-field to “1” configures the XRT72L13

M13 device to overwrite this data with an AIS (all

ones pattern).

Bit 6 - Insert AIS Rx DS1 Channel 18

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

ure the contents of the “inbound” DS1 Channel 18 to

be overwritten with an “All Ones” pattern.

Setting this bit-field to “0” permits data to be output

(via the RxDS1Data18 output pin, as demultiplexed

via the inbound DS2 and DS3 data streams.

Setting this bit-field to “1” configures the XRT72L13

M13 device to overwrite this data with an AIS (all

ones pattern).

M12 DS2 # 5 AIS REGISTER (ADDRESS = 0X25)

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

Insert

AIS

Rx DS1

Channel 19

Insert

AIS

Rx DS1

Channel 18

Insert

AIS

Rx DS1

Channel 17

Insert

AIS

Rx DS1

Channel 16

Insert

AIS

Tx DS1

Channel 19

Insert

AIS

Tx DS1

Channel 18

Insert

AIS

Tx DS1

Channel 17

Insert

AIS

Tx DS1

Channel 16

R/W

0000

111

XRT72L13 Datasheet(PDF) 121 Page - Exar Corporation

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