82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 52
82P2821BH
Manufacturer Part Number
82P2821BH
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2821BH.pdf
(151 pages)
Specifications of 82P2821BH
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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Table-21 RMFn Indication
3.5.7
INDICATION
3.5.7.1 RMFn Indication
used as RMFn. In Receive Dual Rail Sliced mode, the RCLKn/RMFn pin
is used as RMFn. Refer to Table-3 Multiplex Pin Used in Receive
System Interface for details.
Functional Description
IDT82P2821
RMF_DEF[2:0]
In Receive Single Rail NRZ Format mode, the RDNn/RMFn pin is
000
001
010
011
100
101
110
111
RECEIVE /TRANSMIT MULTIPLEX FUNCTION (RMF / TMF)
and negative sliced data
recovered clock (RCLK) RMFn outputs the recovered clock as RCLKn. All the description about RCLKn is applicable for RMFn.
Line Excessive Zeroes
XOR result of positive
Line Alarm Indication
Line Bipolar Violation
Indication On RMF
Line Loss of Signal
LEXZ + LBPV
Signal (LAIS)
PRBS/ARB
(LEXZ)
(LBPV)
(LLOS)
RMFn is high if PRBS/ARB is detected in synchronization in the receive path. During the synchronization, RMFn goes
low for a T1/E1 clock cycle if a PRBS/ARB error is detected. RMFn is low if PRBS/ARB is out of synchronization.
Refer to Section 3.5.5 PRBS, QRSS, ARB and IB Pattern Generation and Detection.
RMFn is high if AIS is detected in the receive path and low if it is cleared. This indication corresponds to the LAIS_S
bit (b6, STAT1,...). Refer to Section 3.5.4 Alarm Indication Signal (AIS) Detection and Generation.
RMFn outputs XOR data of positive and negative sliced data.
RMFn goes high for a T1/E1 clock cycle if an EXZ is detected in the receive path, otherwise it is low. Refer to
Section 3.5.2 Excessive Zeroes (EXZ) Detection.
RMFn goes high for a T1/E1 clock cycle if a BPV/CV is detected in the receive path, otherwise it is low. Refer to
Section 3.5.1 Bipolar Violation (BPV) / Code Violation (CV) Detection and BPV Insertion.
RMFn goes high for a T1/E1 clock cycle if an EXZ or a BPV/CV is detected in the receive path, otherwise it is low.
RMFn is high if LOS is detected in the receive path and low if it is cleared. This indication corresponds to the LLOS_S
bit (b0, STAT0,...). Refer to Section 3.5.3.1 Line LOS (LLOS).
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
52
LEXZ + LBPV, LLOS, output recovered clock (RCLK) or XOR output of
positive and negative sliced data, as selected by the RMF_DEF[2:0] bits
(b7~5, RCF1,...). Refer to Table-21 for details.
RMFn can indicate the status of PRBS/ARB, LAIS, LEXZ, LBPV,
Details
February 6, 2009
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