DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 78
DS21FF44
Manufacturer Part Number
DS21FF44
Description
IC FRAMER E1 4X4 16CH 300-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21FT44N.pdf
(117 pages)
Specifications of DS21FF44
Controller Type
E1 Framer
Interface
Parallel/Serial
Voltage - Supply
2.97 V ~ 3.63 V
Current - Supply
300mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
300-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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RDC1: RECEIVE HDLC DS0 CONTROL REGISTER 1 (Address = B8 Hex)
(MSB)
RHS
SYMBOL
RDS0M
RSaDS
RHS
RD4
RD3
RD2
RD1
RD0
RSaDS
POSITION
RDC1.7
RDC1.6
RDC1.5
RDC1.4
RDC1.3
RDC1.2
RDC1.1
RDC1.0
RDS0M
Receive HDLC Source
0 = Sa bits defined by RCR2.3 to RCR2.7
1 = Sa bits or DS0 channels defined by RDC1 (see bits defined
below)
Receive Sa Bit/DS0 Select
0 = route Sa bits to the HDLC controller. RD0 to RD4 defines
which Sa bits are to be routed. RD4 corresponds to Sa4, RD3
to Sa5, RD2 to Sa6, RD1 to Sa7, and RD0 to Sa8.
1 = route DS0 channels into the HDLC controller. RDC1.5 is
used to determine how the DS0 channels are selected.
DS0 Selection Mode
0 = utilize the RD0 to RD4 bits to select which single DS0
channel to use.
1 = utilize the RCHBLK 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.
RD4
78 of 117
RD3
NAME AND DESCRIPTION
RD2
RD1
(LSB)
RD0
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