XRT94L33_3 Datasheet, PDF (416/801 Pages) Exar Corporation – -CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - SONET REGISTERS

XRT94L33
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Rev222...000...000
Table 282: Receive SONET Path – Receive J1 Byte Capture Register (Address Location= 0xN1D3,
where N ranges in value from 0x02 to 0x04)
BIT 7
R/O
0
BIT 6
R/O
0
BIT 5
R/O
0
BIT 4
BIT 3
J1_Byte_Captured_Value[7:0]
R/O
R/O
0
0
BIT 2
R/O
0
BIT 1
R/O
0
BIT 0
R/O
0
BIT NUMBER
7–0
NAME
J1_Byte_Captured_Value[7:0]
TYPE
R/O
DESCRIPTION
J1 Byte Captured Value[7:0]
These READ-ONLY bit-fields contain the value of the J1 byte,
within the most recently received SONET frame.
This particular value is stored in this register for one SONET
frame period. During the next SONET frame period, this value
will be overridden with a new J1 byte value.
Table 283: Receive SONET Path – Receive B3 Byte Capture Register (Address Location= 0xN1D7,
where N ranges in value from 0x02 to 0x04)
BIT 7
R/O
0
BIT 6
R/O
0
BIT 5
R/O
0
BIT 4
BIT 3
B3_Byte_Captured_Value[7:0]
R/O
R/O
0
0
BIT 2
R/O
0
BIT 1
R/O
0
BIT 0
R/O
0
BIT NUMBER
7–0
NAME
B3_Byte_Captured_Value[7:0]
TYPE
R/O
DESCRIPTION
B3 Byte Captured Value[7:0]
These READ-ONLY bit-fields contain the value of the B3 byte,
within the most recently received SONET frame.
This particular value is stored in this register for one SONET
frame period. During the next SONET frame period, this value
will be overridden with a new B3 byte value.
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