DS2151QB Maxim Integrated Products, DS2151QB Datasheet - Page 20

• Manufacturer Part Number: DS2151QB
• Description: IC TXRX T1 1-CHIP 5V LP 44-PLCC
• Manufacturer: Maxim Integrated Products

Specifications of DS2151QB

• Function: Single-Chip Transceiver
• Interface: T1
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 65mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC, 44-PLCC
• Includes: Alarm Detector and Generator, CSU Loop Codes Generator and Detector, DSX-1 and CSU Line Build-Outs Generator
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

RIR1: RECEIVE INFORMATION REGISTER 1 (Address = 22 Hex)
(MSB)
COFA
SYMBOL
COFA
RESE
16ZD
RESF
SEFE
B8ZS
8ZD
FBE
8ZD
POSITION
RIR1.7
RIR1.6
RIR1.5
RIR1.4
RIR1.3
RIR1.2
RIR1.1
RIR1.0
16ZD
NAME AND DESCRIPTION
Change of Frame Alignment. Set when the last resync
resulted in a change of frame or multiframe alignment.
Eight 0 Detect. Set when a string of eight consecutive 0s have
been received at RPOS and RNEG.
Sixteen 0 Detect. Set when a string of 16 consecutive 0s have
been received at RPOS and RNEG.
Receive Elastic Store Full. Set when the receive elastic store
buffer fills and a frame is deleted.
Receive Elastic Store Empty. Set when the receive elastic
store buffer empties and a frame is repeated.
Severely Errored Framing Event. Set when 2 out of 6
framing bits (Ft or FPS) are received in error.
B8ZS Codeword Detect. Set when a B8ZS codeword is
detected at RPOS and RNEG independent of whether the B8ZS
mode is selected or not via CCR2.6.
Frame Bit Error. Set when a Ft (D4) or FPS (ESF) framing
bit is received in error.
RESF
20 of 60
RESE
SEFE
B8ZS
(LSB)
FBE