DS3174 Maxim Integrated Products, DS3174 Datasheet - Page 154
DS3174
Manufacturer Part Number
DS3174
Description
IC QUAD DS3/E3 TXRX 400-PBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3171N.pdf
(234 pages)
Specifications of DS3174
Function
Single-Chip Transceiver
Interface
DS3, E3
Number Of Circuits
4
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
725mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
400-BGA
Includes
DS3 Framers, E3 Framers, HDLC Controller, On-Chip BERTs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
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as a zero followed by a BPV, and the first HDB3 signature is defined as two zeros followed by a BPV. All
subsequent B3ZS/HDB3 signatures will be determined by the setting of this bit.
Bit 0: Receive Zero Suppression Decoding Disable (RZSD) – When 0, the B3ZS/HDB3 Decoder performs zero
suppression (B3ZS or HDB3) and AMI decoding. When 1, zero suppression (B3ZS or HDB3) decoding is disabled,
and only AMI decoding is performed.
Register Name:
Register Description:
Register Address:
Bit #
Name
Bit #
Name
Bit 3: Excessive Zero Count (EXZC) – When 0, the excessive zero count is zero. When 1, the excessive zero
count is one or more.
Bit 1: Bipolar Violation Count (BPVC) – When 0, the bipolar violation count is zero. When 1, the bipolar violation
count is one or more.
Bit 0: Loss Of Signal (LOS) – When 0, the receive line is not in a loss of signal (LOS) condition. When 1, the
receive line is in an LOS condition. See Section 10.10.6.
Note: When zero suppression (B3ZS or HDB3) decoding is disabled, the LOS condition is cleared, and cannot be
detected
Register Name:
Register Description:
Register Address:
Bit #
Name
Bit #
Name
Bit 5: Zero Suppression Code Detect Latched (ZSCDL) – This bit is set when a B3ZS or HDB3 signature is
detected.
Bit 4: Excessive Zero Latched (EXZL) – This bit is set when an excessive zero event is detected on the incoming
bipolar data stream.
Bit 3: Excessive Zero Count Latched (EXZCL) – This bit is set when the LINE.RSR.EXZC bit transitions from
zero to one.
Bit 2: Bipolar Violation Latched (BPVL) – This bit is set when a bipolar violation (or E3 LCV if enabled) is
detected on the incoming bipolar data stream.
Bit 1: Bipolar Violation Count Latched (BPVCL) – This bit is set when the LINE.RSR.BPVC bit transitions from
zero to one.
Bit 0: Loss of Signal Change Latched (LOSL) – This bit is set when the LINE.RSR.LOS bit changes state.
15
15
--
--
--
--
7
7
14
14
--
--
--
--
6
6
LINE.RSR
Line Receive Status Register
(0.2.4.6)94h
LINE.RSRL
Line Receive Status Register Latched
(0.2.4.6)96h
ZSCDL
13
13
--
--
--
5
5
EXZL
12
12
--
--
--
4
4
154
EXZCL
EXZC
11
11
--
--
3
3
BPVL
10
10
--
--
--
2
2
BPVCL
BPVC
--
--
9
1
9
1
LOSL
LOS
--
--
8
0
8
0
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