DS2151QNB+ Maxim Integrated, DS2151QNB+ Datasheet - Page 22

• Manufacturer Part Number: DS2151QNB+
• Description: Network Controller & Processor ICs
• Manufacturer: Maxim Integrated

Specifications of DS2151QNB+

• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 2.048 Mbps
• Supply Current (max): 65 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-44
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V
• Supply Voltage - Max: 5.25 V
• Supply Voltage - Min: 4.75 V
• Part # Aliases: 90-2151Q+NB0

SR1: STATUS REGISTER 1 (Address = 20 Hex)
(MSB)
LUP
SYMBOL
RSLIP
LOTC
RYEL
RLOS
LDN
RBL
RCL
LUP
LDN
POSITION
SR1.7
SR1.6
SR1.5
SR1.4
SR1.3
SR1.2
SR1.1
SR1.0
LOTC
NAME AND DESCRIPTION
Loop Up Code Detected. Set when the repeating ...00001...
loop up code is being received.
Loop Down Code Detected. Set when the repeating ...001...
loop down code is being received.
Loss of Transmit Clock. Set when the TCLK pin has not
transitioned for one channel time (or 5.2µs). Will force pin 16
high if enabled via CCR1.6. Based on RCLK.
Receive Elastic Store Slip Occurrence. Set when the receive
elastic store has either repeated or deleted a frame.
Receive Blue Alarm. Set when a blue alarm is received at
RTIP and RRING. See note below.
Receive Yellow Alarm. Set when a yellow alarm is received at
RTIP and RRING.
Receive Carrier Loss. Set when 192 consecutive 0s have been
detected at RTIP and RRING.
Receive Loss of Sync. Set when the device is not synchronized
to the receive T1 stream.
RSLIP
22 of 60
RBL
RYEL
RCL
(LSB)
RLOS