DS2151QB+ Maxim Integrated Products, DS2151QB+ Datasheet - Page 14

• 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: Lead free / RoHS Compliant
• Power (watts): -

CCR1: COMMON CONTROL REGISTER 1 (Address = 37 Hex)
(MSB)
TESE
SYMBOL
SCLKM
RSAO
RESE
TESE
LLB
RLB
PLB
FLB
LLB
POSITION
CCR1.7
CCR1.6
CCR1.5
CCR1.4
CCR1.3
CCR1.2
CCR1.1
CCR1.0
RSAO
NAME AND DESCRIPTION
Transmit Elastic Store Enable.
0 = elastic store is bypassed
1 = elastic store is enabled
Local Loopback.
0 = loopback disabled
1 = loopback enabled
Receive Signaling All 1s.
0 = allow robbed signaling bits to appear at RSER
1 = force all robbed signaling bits at RSER to 1
Remote Loopback.
0 = loopback disabled
1 = loopback enabled
SYSCLK Mode Select.
0 = if SYSCLK is 1.544MHz
1 = if SYSCLK is 2.048MHz
Receive Elastic Store Enable.
0 = elastic store is bypassed
1 = elastic store is enabled
Payload Loopback.
0 = loopback disabled
1 = loopback enabled
Framer Loopback.
0 = loopback disabled
1 = loopback enabled
RLB
14 of 60
SCLKM
RESE
PLB
(LSB)
FLB