DS2143QN Maxim Integrated Products, DS2143QN Datasheet - Page 17

• Manufacturer Part Number: DS2143QN
• Description: IC CONTROLLER E1 5V LP 44-PLCC
• Manufacturer: Maxim Integrated Products

Specifications of DS2143QN

• Controller Type: E1 Controller
• Interface: Parallel/Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 10mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC, 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SR1: STATUS REGISTER 1 (Address=06 Hex)
(MSB)
RSA1
SYMBOL
RDMA
RUA1
RLOS
RSA1
RSA0
SLIP
RRA
RCL
RDMA
POSITION
SR1.7
SR1.6
SR1.5
SR1.4
SR1.3
SR1.2
SR1.1
SR1.0
RSA0
NAME AND DESCRIPTION
Receive Signaling All 1s. Set when the contents of timeslot 16
contains less than 3 0s over 16 consecutive frames. This alarm is
not disabled in the CCS signaling mode.
Receive Distant MF Alarm. Set when bit 6 of timeslot 16 in
frame 0 has been set for 2 consecutive multiframes. This alarm
is not disabled in the CCS signaling mode.
Receive Signaling All 0s. Set when over a full MF, timeslot 16
contains all 0s.
Elastic Store Slip Occurrence. Set when the elastic store has
either repeated or deleted a frame of data.
Receive Unframed All 1s. Set when an unframed all 1s code is
received at RPOS and RNEG.
Receive Remote Alarm. Set when a remote alarm is received at
RPOS and RNEG.
Receive Carrier Loss. Set when 255 consecutive 0s have been
detected at RPOS and RNEG.
Receive Loss of Sync. Set when the device is not synchronized
to the receive E1 stream.
SLIP
17 of 44
RUA1
RRA
RCL
DS2143/DS2143Q
RLOS
(LSB)