DS26503L+ Maxim Integrated Products, DS26503L+ Datasheet - Page 95
DS26503L+
Manufacturer Part Number
DS26503L+
Description
IC T1/E1/J1 BITS ELEMENT 64-LQFP
Manufacturer
Maxim Integrated Products
Type
BITS Elementr
Datasheet
1.DS26503L.pdf
(122 pages)
Specifications of DS26503L+
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Frequency-max
-
Output
-
Input
-
- Current page: 95 of 122
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14. LOOPBACK CONFIGURATION
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
HW
Mode
Bits 0, 1, 4 to 7: Unused, must be set = 0 for proper operation.
Bit 2: Remote Loopback (RLB). In this loopback, data received at RTIP and RRING will be looped back to the transmit LIU.
Received data will continue to pass through the receive side framer of the DS26503 as it would normally and the data from the
transmit side formatter will be ignored.
Bit 3: Local Loopback (LLB). In this loopback, data will continue to be transmitted as normal through the transmit side of the
DS26503. Data being received at RTIP and RRING will be replaced with the data being transmitted. Data in this loopback will
pass through the jitter attenuator if enabled.
0 = loopback disabled
1 = loopback enabled
0 = loopback disabled
1 = loopback enabled
—
7
0
0
LBCR
Loopback Control Register
20h
—
6
0
0
—
5
0
0
—
4
0
0
95 of 122
LLB
3
0
0
PIN 60
RLB
RLB
2
0
—
1
0
0
—
0
0
0
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