DS21554L Maxim Integrated Products, DS21554L Datasheet - Page 67

• Manufacturer Part Number: DS21554L
• Description: IC TXRX E1 1-CHIP 5V 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21554L

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: Remote and AIS Alarm Detector / Generator
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

RAF: RECEIVE ALIGN FRAME REGISTER (Address = 2F Hex)
RNAF: RECEIVE NON-ALIGN FRAME REGISTER (Address = 1F Hex)
TAF: TRANSMIT ALIGN FRAME REGISTER (Address = 20 Hex)
Note: The TAF register must be programmed with the 7-bit FAS word. The DS21354/DS21554 do
not automatically set these bits.
SYMBOL
SYMBOL
SYMBOL
(MSB)
(MSB)
(MSB)
Si
Si
Si
Sa4
Sa5
Sa6
Sa7
Sa8
Si
Si
Si
A
0
0
1
1
0
1
1
1
0
0
1
1
0
1
1
POSITION
POSITION
POSITION
RNAF.7
RNAF.6
RNAF.5
RNAF.4
RNAF.3
RNAF.2
RNAF.1
RNAF.0
RAF.7
RAF.6
RAF.5
RAF.4
RAF.3
RAF.2
RAF.1
RAF.0
TAF.7
TAF.6
TAF.5
TAF.4
TAF.3
TAF.2
TAF.1
TAF.0
0
0
1
International Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
International Bit.
Frame Non-Alignment Signal Bit.
Remote Alarm.
Additional Bit 4.
Additional Bit 5.
Additional Bit 6.
Additional Bit 7.
Additional Bit 8.
International Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
Frame Alignment Signal Bit.
A
0
0
Sa4
1
1
67 of 124
NAME AND DESCRIPTION
NAME AND DESCRIPTION
NAME AND DESCRIPTION
Sa5
1
1
Sa6
0
0
Sa7
1
1
(LSB)
(LSB)
(LSB)
Sa8
1
1