XRT83SL30ES Exar, XRT83SL30ES Datasheet - Page 10
XRT83SL30ES
Manufacturer Part Number
XRT83SL30ES
Description
Peripheral Drivers & Components - PCIs 1 CHT1/E1 LIUSH
Manufacturer
Exar
Datasheet
1.XRT83SL30ES.pdf
(76 pages)
Specifications of XRT83SL30ES
Product Category
Peripheral Drivers & Components - PCIs
Rohs
yes
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TRANSMITTER
XRT83SL30
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
S
IGNAL
CODES
TDATA
TCLKE
TRING
TPOS
TNEG
TXON
TCLK
TTIP
N
AME
P
10
61
62
60
57
58
IN
8
#
T
YPE
O
O
I
I
I
I
I
Transmitter Tip Output
Positive differential transmit output to the line.
Transmitter Ring Output
Negative differential transmit output to the line.
Transmitter Positive Data Input
In dual-rail mode, this signal is the positive-rail input data for the transmitter.
Transmitter Data Input
In single-rail mode, this pin is used as the NRZ input data for the transmitter.
N
Transmitter Negative NRZ Data Input
In dual-rail mode, this signal is the negative-rail input data for the transmitter.
In single-rail mode, this pin can be left unconnected.
Coding Select
In Hardware Mode and with single-rail mode selected, connecting this pin
"Low" enables HDB3 in E1 or B8ZS in T1 encoding and decoding. Connect-
ing this pin "High" selects AMI data format.
N
Transmitter Clock Input
E1 rate at 2.048MHz ± 50ppm
T1 rate at 1.544MHz ± 32ppm
During normal operation, both in Host Mode and Hardware Mode, TCLK is
used for sampling input data at TPOS/TDATA and TNEG/CODES while
MCLK is used as the timing reference for the transmit pulse shaping circuit.
Transmit Clock Edge
In Hardware Mode, with this pin set to a "High", transmit input data is sam-
pled at the rising edge of TCLK. With this pin tied "Low", input data are sam-
pled at the falling edge of TCLK.
N
Transmitter Turn On
In Hardware Mode, setting this pin "High" turns on the Transmit Section. In
this mode, when TXON = “0”, TTIP and TRING driver outputs will be tri-
stated.
In Host Mode, setting bit 5 (TXONCTL) to “1”, in Register 18 (12h), control of
the transmitter output is transferred to the hardware pin TXON.
N
OTE
OTE
OTE
OTE
: Internally pulled “Low” with a 50kΩ resistor.
: Internally pulled “Low” with a 50kΩ resistor.
: Internally pulled “Low” with a 50kΩ resistor.
: Internally pulled "Low" with a 50kΩ resistor.
7
D
ESCRIPTION
REV. 1.0.1
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