DS2156L+ Maxim Integrated Products, DS2156L+ Datasheet - Page 156
DS2156L+
Manufacturer Part Number
DS2156L+
Description
IC TXRX T1/E1/J1 1-CHIP 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2156L.pdf
(265 pages)
Specifications of DS2156L+
Function
Single-Chip Transceiver
Interface
E1, J1, T1, TDM, UTOPIA II
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
75mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Includes
BERT Generator and Detector, CMI Coder and Decoder, HDLC Controller
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Transmit Alternate Ones and Zeros (TAOZ). Transmit a …101010… pattern (customer disconnect
indication signal) at TTIP and TRING. The transmission of this data pattern is always timed off of TCLK.
Bit 1/Transmit Synchronization G.703 Clock Enable (TSCLKE)
Bit 2/Receive Synchronization G.703 Clock Enable (RSCLKE)
Bits 3 to 4/Monitor Mode (MM0 to MM1)
Bit 5/Receive-Clock Edge Select (RCES). Selects which RCLKO edge to update RPOSO and RNEGO.
Bit 6/Transmit-Clock Edge Select (TCES). Selects which TCLKI edge to sample TPOSI and TNEGI.
Bit 7/Unused, must be set to 0 for proper operation
MM1
0
0
1
1
0 = disabled
1 = enabled
0 = disable 1.544MHz (T1)/2.048MHz (E1) transmit synchronization clock
1 = enable 1.544MHz (T1)/2.048MHz (E1) transmit synchronization clock
0 = disable 1.544MHz (T1)/2.048MHz (E1) synchronization receive mode
1 = enable 1.544MHz (T1)/2.048MHz (E1) synchronization receive mode
0 = update RPOSO and RNEGO on rising edge of RCLKO
1 = update RPOSO and RNEGO on falling edge of RCLKO
0 = sample TPOSI and TNEGI on falling edge of TCLKI
1 = sample TPOSI and TNEGI on rising edge of TCLKI
MM0
—
0
1
0
1
7
0
Normal operation (no boost)
20
26
32
Internal Linear Gain Boost
TCES
LIC3
Line Interface Control 3
7Ah
6
0
RCES
(dB)
5
0
MM1
4
0
156 of 265
MM0
3
0
RSCLKE TSCLKE
2
0
1
0
TAOZ
0
0
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