XRT7250 datasheet(124/463 Pages) EXAR

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DS3/E3 FRAMER IC

XRT7250

REV. 1.1.1

105

This Reset-upon-Read register, along with the PMON

LCV Event Count Register - LSB (Address = 0x50)

contains a 16-bit representation of the number of Line

Code Violations that have been detected by the Re-

ceive E3 Framer, since the last read of these regis-

ters. This register contains the LSB (or Lower-Byte)

value of this 16 bit expression.

2.3.8.3

PMON Framing Bit/Byte Error Count

This Reset-upon-Read register, along with the PMON

Framing Bit/Byte Error Count Register - LSB (Ad-

dress = 0x53) contains a 16-bit representation of the

number of Framing Bit or Byte Errors that have been

detected by the Receive DS3/E3 Framer, since the

last read of these registers. This register contains the

MSB (or Upper-Byte) value of this 16 bit expression.

2.3.8.4

PMON Framing Bit/Byte Error Count

This Reset-upon-Read register, along with the PMON

Framing Bit/Byte Error Count Register - MSB (Ad-

dress = 0x52) contains a 16-bit representation of the

number of Framing Bit or Byte Errors that have been

detected by the Receive DS3/E3 Framer, since the

last read of these registers. This register contains the

LSB (or Lower-Byte) value of this 16 bit expression.

2.3.8.5

PMON Parity Error Count Register -

MSB

This Reset-upon-Read register, along with the PMON

Parity Error Count Register - LSB (Address = 0x55)

contains a 16-bit representation of the number of P-

bit Errors (for DS3 applications), BIP-4 Errors (for E3/

PMON LCV EVENT COUNT REGISTER - LSB (ADDRESS = 0X51)

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

LCV Count - Low Byte

RUR

0000

000

PMON FRAMING BIT/BYTE ERROR COUNT REGISTER - MSB (ADDRESS = 0X52)

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

Framing Bit/Byte Error Count - High Byte

RUR

0000

000

PMON FRAMING BIT/BYTE ERROR COUNT REGISTER - LSB (ADDRESS = 0X53)

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

Framing Bit/Byte Error Count - Low Byte

RUR

0000

000

PMON PARITY ERROR COUNT REGISTER - MSB (ADDRESS = 0X54)

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

Parity Error Count - High Byte

RUR

0000

000

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