78P2352
Dual Channel
OC-3/ STM1-E/ E4 LIU
REGISTER DESCRIPTION (continued)
ADDRESS N-5: STATUS MONITOR REGISTER
DFLT
BIT
NAME
TYPE
DESCRIPTION
VALUE
7:5
--
R/C
XXX
Reserved.
Receive Loss of Signal Indication:
0: Normal operation
4
3
RXLOS
RXLOL
R/C
R/C
X
X
1: Loss of signal condition detected
Receive Loss of Lock Indication:
This status bit is only defined during a valid input signal at RxP/N or
when RXLOS=0
0: Normal operation
1: Recovered receive clock frequency differs from the reference by
more than +/- 100ppm.
2
1
--
R/C
R/C
X
X
Unused
Transmit Loss of Lock Indication:
This status bit is only defined and valid when using one of the serial
transmit modes utilizing the Tx CDR.
TXLOL
0: Valid transmit input signal detected at SIxDP/N
1: No valid signal detected at SIxDP/N
Transmit FIFO Error Indication:
This bit is set whenever the internal FERR signal is asserted, indicating
that the FIFO is operating at its depth limit. It is reset to 0 when the
FRST pin is asserted.
0
FERR
R/C
X
0: Normal operation
1: Transmit FIFO phase error
ADDRESS N-6, N-7: RESERVED
DFLT
BIT
NAME
TYPE
DESCRIPTION
VALUE
7:0
RSVD
R/O
0
Reserved for test.
Page: 15 of 42
2006 Teridian Semiconductor Corporation
Rev. 2.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
