DS2154
CCR2: COMMON CONTROL REGISTER 2 (Address = 1A Hex)
(MSB)
(LSB)
RFE
ECUS
VCRFS
AAIS
ARA
RSERC
LOTCMC
RFF
SYMBOL
POSITION
NAME AND DESCRIPTION
ECUS
CCR2.7
Error Counter Update Select. See Section 6 for details.
0 = update error counters once a second
1 = update error counters every 62.5ms (500 frames)
VCRFS
AAIS
CCR2.6
CCR2.5
CCR2.4
CCR2.3
CCR2.2
VCR Function Select. See Section 6 for details.
0 = count Bipolar Violations (BPVs)
1 = count Code Violations (CVs)
Automatic AIS Generation.
0 = disabled
1 = enabled
ARA
Automatic Remote Alarm Generation.
0 = disabled
1 = enabled
RSERC
LOTCMC
RSER Control.
0 = allow RSER to output data as received under all conditions
1 = force RSER to 1 under loss of frame alignment conditions
Loss of Transmit Clock Mux Control. Determines whether the
transmit side formatter should switch to the ever-present
RCLKO if the TCLK should fail to transition (see Figure 1-1).
0 = do not switch to RCLKO if TCLK stops
1 = switch to RCLKO if TCLK stops
RFF
RFE
CCR2.1
CCR2.0
Receive Force Freeze. Freezes receive side signaling at RSIG
(and RSER if CCR3.3 = 1); will override Receive Freeze Enable
(RFE). See Section 8.2 for details.
0 = do not force a freeze event
1 = force a freeze event
Receive Freeze Enable. See Section 8.2 for details.
0 = no freezing of receive signaling data will occur
1 = allow freezing of receive signaling data at RSIG (and RSER
if CCR3.3 = 1).
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ROCHESTER [ Rochester Electronics ]
