XRT86L30_07 Datasheet, PDF (78/279 Pages) Exar Corporation – SINGLE T1/E1/J1 FRAMER/LIU COMBO

XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
Register 35
TABLE 50: LOOPBACK CODE CONTROL REGISTER
LOOPBACK CODE CONTROL REGISTER (LCCR)
REV. 1.0.0
0X0124
BIT
FUNCTION
TYPE DEFAULT
DESCRIPTION-OPERATION
1 FRAMED
R
0
Framed Loopback Code
Selects either framed or unframed loopback code operation.
0 = Unframed
1 = Framed
0 AUTOENB
R/W
0
Loopback Automatically
Enables loopback automatically.
0 = Automatic loopback is disabled
1 = Automatic loopback is enabled
Register 36
BIT
FUNCTION
7-1 TXLBC[6:0]
0 TXLBCENB
TABLE 51: TRANSMIT LOOPBACK CODER REGISTER
Transmit Loopback Coder Register (TLCR)
0x0125
TYPE
R/W
DEFAULT
DESCRIPTION-OPERATION
1010101 Transmit Loopback Code
Determines the transmit loopback coding sequence.
R/W
0
Transmit Loopback Code Enable
Enables loopback code generation.
0 = Transmit loopback code is disabled.
1 = Transmit loopback code is enabled
Register 37
BIT
FUNCTION
7-1 RXLBAC[6:0]
0 RXLBACENB
TABLE 52: RECEIVE LOOPBACK ACTIVATION CODE REGISTER
Receive Loopback Activation Code Register (RLACR)
0x0126
TYPE DEFAULT
DESCRIPTION-OPERATION
R/W 1010101 Receive activation loopback code
Determines the receive activation loopback coding sequence.
R/W
0
Receive activation loopback code enable
Enables receive loopback code activation detection.
0 = Receive loopback code activation detection is disabled.
1 = Receive loopback code activation detection is enabled
Register 38
TABLE 53: RECEIVE LOOPBACK DEACTIVATION CODE REGISTER
Receive Loopback Deactivation Code Register (RLDCR)
0x0127
BIT
FUNCTION
TYPE DEFAULT
DESCRIPTION-OPERATION
7-1 RXLBDC[6:0]
R/W 1010101 Receive deactivation loopback code
Determines the receive deactivation loopback coding sequence.
0 RXLBDCENB
R/W
0
Receive deactivation loopback code enable
Enables receive loopback code deactivation detection.
0 = Receive loopback code deactivation detection is disabled.
1 = Receive loopback code deactivation detection is enabled
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