XRT83D10 Datasheet, PDF (3/18 Pages) Exar Corporation – SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT

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SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT
PIN DESCRIPTIONS
XRT83D10
REV. 1.0.3
MICROPROCESSOR
PIN #
NAME
15
CS
1
EC1
27
EC3
28
EC2
7
MODE2
8
MODE1
9
LOOPB
10
LOOPA
TYPE
I
I
I
I
I
I
I
DESCRIPTION
Microprocessor Interface Select (Active Low)
CS loads the data into the device on its falling edge and latches the data on its
rising edge.
For Hardware mode, CS is left open or connected to GND.
NOTE: Internally pulled down
Transmit Equalization Control.
The three inputs, EC1,EC2 and EC3 are used for selecting transmit equaliza-
tion.
NOTE: Internally Pulled down.
Transmit Equalization Control
NOTE: Internally Pulled down.
Transmit Equalization Control
NOTE: Internally Pulled down.
Mode Select
Mode 1 and Mode 2 select the clock and data paths through the jitter attenua-
tor.
NOTE: Internally Pulled down.
Mode Select
NOTE: Internally Pulled down.
Loopback control.
LOOPB along with LOOPA are used for selecting different loopbacks.
LOOPA
0
0
1
1
LOOPB
0
1
0
1
Loopback Mode
Normal Operation
Digital
Remote
Local
NOTE: Internally Pulled down.
I
Loopback control.
LOOPB along with LOOPA are used for selecting different loopbacks.
NOTE: Internally Pulled down.
3