DS2151QNB+ Maxim Integrated, DS2151QNB+ Datasheet - Page 24

• 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

SR2: STATUS REGISTER 2 (Address = 21 Hex)
(MSB)
RMF
SYMBOL
RMTCH
RFDL
TFDL
RMF
TMF
RAF
SEC
—
TMF
POSITION
SR2.7
SR2.6
SR2.5
SR2.4
SR2.3
SR2.2
SR2.1
SR2.0
SEC
NAME AND DESCRIPTION
Receive Multiframe. Set on receive multiframe boundaries.
Transmit Multiframe. Set on transmit multiframe boundaries.
One Second Timer. Set on increments of 1 second based on
RCLK; will be set in increments of 999ms, 999ms, and 1002ms
every 3 seconds.
Receive FDL Buffer Full. Set when the receive FDL buffer
(RFDL) fills to capacity (8 bits).
Transmit FDL Buffer Empty. Set when the transmit FDL
buffer (TFDL) empties.
Receive FDL Match Occurrence. Set when the RFDL
matches either RFDLM1 or RFDLM2.
Receive FDL Abort. Set when eight consecutive ones are
received in the FDL.
Not Assigned. Should be set to 0 when written.
RFDL
24 of 60
TFDL
RMTCH
RAF
(LSB)
-