DS21354LC1+ Maxim Integrated Products, DS21354LC1+ Datasheet - Page 37
DS21354LC1+
Manufacturer Part Number
DS21354LC1+
Description
IC TXRX E1 3.3V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21354LC1+
Function
Single-Chip Transceiver
Interface
E1, HDLC
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
Remote and AIS Alarm Detector / Generator
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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CCR2: COMMON CONTROL REGISTER 2 (Address = 1A Hex)
SYMBOL
LOTCMC
(MSB)
ECUS
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
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 Transmit 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 one 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 TS16
in 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 TS16 in RSER
if CCR3.3 = 1).
9
ARA
for details.
37 of 124
NAME AND DESCRIPTION
RSERC
Figure
7.1
LOTCMC
9
for details.
for details.
2-1).
7
for details.
RFF
(LSB)
RFE
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