參數資料
型號： DS3112N
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PBGA256
封裝： 27 X 27 MM, PLASTIC, BGA-256
文件頁數： 92/134頁
文件大?。?/td> 900K
代理商： DS3112N
DS3112
60 of 134
Bit12 / Alarm Indication Signal Clear Detected (AISC). This latched read only event status bit will be
set to a one each time the T3/E3 framer no longer detects the AIS alarm state. This bit will be cleared
when read and will not be set again until the device once again exits the AIS alarm state. The AIS alarm
criteria is described in Tables 5.3A and 5.3B. This status bit is useful in helping the Host determine if the
AIS persists as defined in ANSI T1.231.
Bit13 / Remote Alarm Indication Clear Detected (RAIC). This latched read only event status bit will
be set to a one each time the T3/E3 framer no longer detects the RAI alarm state. This bit will be cleared
when read and will not be set again until the device once again exits the RAI alarm state. The RAI alarm
criteria is described in Tables 5.3A and 5.3B. This status bit is useful in helping the Host determine if the
RAI persists as defined in ANSI T1.231.
5.4 T3 / E3 PERFORMANCE ERROR COUNTERS
There are six error counters in the DS3112. All of the errors counters are 16 bits in length. The Host has
three options as to how these errors counters are updated. The device can be configured to automatically
update the counters once a second or manually via either an internal software bit (MECU) or an external
signal (FRMECU). See Section 4.2 for details. All the error counters saturate when full and will not
rollover.
Register Name:
BPVCR
Register Description:
BiPolar Violation Count Register
Register Address:
20h
Bit #
765
43210
Name
BPV7
BPV6
BPV5
BPV4
BPV3
BPV2
BPV1
BPV0
Default
---
-----
Bit #
151413
121110
9
8
Name
BPV15
BPV14
BPV13
BPV12
BPV11
BPV10
BPV9
BPV8
Default
---
-----
Note: Bits that are underlined are read only; all other bits are read-write.
Bits 0 to 15 / 16-Bit BiPolar Violation Counter (BPV0 to BPV15). These bits report the number of
BiPolar Violations (BPV). In the E3 Mode, this counter can also be configured via the E3CVE bit in the
T3E3 Control Register (see Section 5.2) to count Code Violations (CV).
A BPV is defined as
consecutive pulses (or marks) of the same polarity that are not part of a B3ZS/HDB3 code word. A CV is
defined in ITU O.161 as consecutive BPVs of the same polarity.
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相關代理商/技術參數
參數描述
DS3112N+ 功能描述:網絡控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3112N+W 功能描述:網絡控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3112NC1 制造商:Maxim Integrated Products 功能描述:T3 E3 MULTIPLEXER, 3.3V T3/E3 FRAMER AND M13/E13/G.747 MUX - Rail/Tube
DS3112ND1E 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS3112RD 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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