DS21FT42 Maxim Integrated Products, DS21FT42 Datasheet - Page 74

• Manufacturer Part Number: DS21FT42
• Description: IC FRAMER T1 4X3 12CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FT42

• Controller Type: T1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 225mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

RDC2: RECEIVE HDLC DS0 CONTROL REGISTER 2 (Address = 91 Hex)
TDC1: TRANSMIT HDLC DS0 CONTROL REGISTER 1 (Address = 92 Hex)
TDS0E
(MSB)
(MSB)
RDB8
SYMBOL
SYMBOL
TDS0M
TDS0E
RDB8
RDB7
RDB6
RDB5
RDB4
RDB3
RDB2
RDB1
TD4
TD3
TD2
TD1
TD0
-
RDB7
-
POSITION
POSITION
RDC2.7
RDC2.6
RDC2.5
RDC2.4
RDC2.3
RDC2.2
RDC2.1
RDC2.0
TDC1.7
TDC1.6
TDC1.5
TDC1.4
TDC1.3
TDC1.2
TDC1.1
TDC1.0
TDS0M
RDB6
NAME AND DESCRIPTION
NAME AND DESCRIPTION
DS0 Bit 8 Suppress Enable. MSB of the DS0. Set to one to
stop this bit from being used.
DS0 Bit 7 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 6 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 5 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 4 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 3 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 2 Suppress Enable. Set to one to stop this bit from
being used.
DS0 Bit 1 Suppress Enable. LSB of the DS0. Set to one to
stop this bit from being used.
HDLC DS0 Enable.
0 = use transmit HDLC controller for the FDL.
1 = use transmit HDLC controller for one or more DS0
channels.
Not Assigned. Should be set to 0.
DS0 Selection Mode.
0 = utilize the TD0 to TD4 bits to select which single DS0
channel to use.
1 = utilize the TCHBLK control registers to select which DS0
channels to use.
DS0 Channel Select Bit 4. MSB of the DS0 channel select.
DS0 Channel Select Bit 3.
DS0 Channel Select Bit 2.
DS0 Channel Select Bit 1.
DS0 Channel Select Bit 0. LSB of the DS0 channel select.
RDB5
TD4
74 of 114
RDB4
TD3
RDB3
TD2
RDB2
TD1
(LSB)
RDB1
(LSB)
TD0