XRT83L34ES Exar, XRT83L34ES Datasheet - Page 8

• Manufacturer Part Number: XRT83L34ES
• Description: Peripheral Drivers & Components - PCIs
• Manufacturer: Exar

Specifications of XRT83L34ES

• Product Category: Peripheral Drivers & Components - PCIs
• Rohs: yes

XRT83L34
REV. 1.0.1
PIN DESCRIPTION BY FUNCTION
RECEIVE SECTIONS
S
IGNAL
RNEG_0/
RNEG_1/
RNEG_2/
RNEG_3/
RLOS_0
RLOS_1
RLOS_2
RLOS_3
RCLK_0
RCLK_1
RCLK_2
RCLK_3
LCV_0
LCV_1
LCV_2
LCV_3
N
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
AME
P
28
75
99
27
76
98
26
77
97
IN
4
5
6
#
T
YPE
O
O
O
Receiver LOS (Loss of Signal) Defect Indicator Output for Channel _n
This output pin indicates whether or not the Receive Section associated with
Channel n (within the LIU device) is declaring the LOS defect condition, as
depicted below.
LOGIC LOW - Indicates that this particular channel is currently not declaring
the LOS defect condition.
LOGIC HIGH - Indicates that this particular channel is currently declaring the
LOS defect condition.
See “Receiver Loss of Signal (RLOS)” on page 28.
Receiver Clock Output for Channel _n
The Receive Section (of a given channel within the XRT83L34 device) will
update the RPOS_n and RNEG_n/LCV_n output pins upon either the rising
or falling edge of this output clock signal (depending upon user configura-
tion).
Receiver Negative-Polarity Data Output/Line Code Violation Indicator
Output - Channel n:
The exact function of this output pin depends upon whether the XRT83L34
device has been configured to operate in the Single-Rail or Dual-Rail Mode,
as described below.
Dual-Rail Mode Operation - Receive Negative-Polarity Data Output -
RNEG_n:
The Receive Section of Channel n will output the negative-polarity portion of
the recovered incoming DS1/E1 data (from the remote terminal equipment)
via this output pin. Each channel (within the XRT83L34 device) will update
this incoming DS1/E1 data upon the "user-selected" edge of the RCLK_n
output signal.
The "Positive-Polarity Portion" of the recovered incoming DS1/E1 data will
be output via the RPOS_n output pin.
Single-Rail Mode Operation - Line Code Violation Indicator Output -
LCV_n:
The Receive Section of Channel n will pulse this output pin "high" (for one
RCLK_n period) each time it detects a Line Code Violation within the incom-
ing DS1/E1 line signal. Each channel (within the XRT83L34 device) will
update this output pin upon the "user-selected" edge of the RCLK_n output
signal.
5
D
ESCRIPTION
xr