ds2154lnd2 Maxim Integrated Products, Inc., ds2154lnd2 Datasheet - Page 26
![no-image](/images/no-image-200.jpg)
ds2154lnd2
Manufacturer Part Number
ds2154lnd2
Description
Ds2154 Enhanced E1 Single Chip Transceiver
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS2154LND2.pdf
(87 pages)
- Current page: 26 of 87
- Download datasheet (2Mb)
CCR2: COMMON CONTROL REGISTER 2 (Address = 1A Hex)
(MSB)
ECUS
SYMBOL
LOTCMC
VCRFS
RSERC
ECUS
AAIS
ARA
RFE
RFF
VCRFS
POSITION
CCR2.7
CCR2.6
CCR2.5
CCR2.4
CCR2.3
CCR2.2
CCR2.1
CCR2.0
AAIS
NAME AND DESCRIPTION
Error Counter Update Select. See Section
0 = update error counters once a second
1 = update error counters every 62.5ms (500 frames)
VCR Function Select. See Section
0 = count Bipolar Violations (BPVs)
1 = count Code Violations (CVs)
Automatic AIS Generation.
0 = disabled
1 = enabled
Automatic Remote Alarm Generation.
0 = disabled
1 = enabled
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
0 = do not switch to RCLKO if TCLK stops
1 = switch to RCLKO if TCLK stops
Receive Force Freeze. Freezes receive side signaling at RSIG
(and RSER if CCR3.3 = 1); will override Receive Freeze Enable
(RFE). See Section
0 = do not force a freeze event
1 = force a freeze event
Receive Freeze Enable. See Section
0 = no freezing of receive signaling data will occur
1 = allow freezing of receive signaling data at RSIG (and RSER
if CCR3.3 = 1).
ARA
26 of 87
RSERC
8.2
for details.
LOTCMC
6
8.2
for details.
for details.
RFF
6
for details.
Figure
(LSB)
RFE
1-1).
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