參數(shù)資料
型號： DS2180AQ+
廠商： Maxim Integrated Products
文件頁數(shù)： 34/35頁
文件大小： 0K
描述： IC TRANSCEIVER T1 44-PLCC
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 28
功能： 收發(fā)器
接口： T1
電路數(shù)： 1
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 3mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 44-LCC（J 形引線）
供應商設備封裝： 44-PLCC（16.59x16.59）
包裝： 管件
包括： 警報生成和檢測，B7 填充模式，B8ZS 模式，錯誤檢測和計數(shù)器，“硬件”模式，透明模式
產(chǎn)品目錄頁面： 1429 (CN2011-ZH PDF)
DS2180A
8 of 35
B8ZS
The DS2180A supports existing and emerging zero suppression formats. Selection of B8ZS coding
maintains system 1’s density requirements without disturbing data integrity as required in emerging clear
channel applications. B8ZS coding replaces eight consecutive outgoing 0's with a B8ZS code word. Any
received B8ZS code word is replaced with all 0’s. B8ZS and bit 7 stuffing modes should not be enabled
simultaneously. Enabling both results in LOS.
TCR: TRANSMIT CONTROL REGISTER Figure 5
(MSB)
(LSB)
ODF
TFPT
TCP
RBSE
TIS
193SI
TBL
TYEL
SYMBOL
POSITION
NAME AND DESCRIPTION
ODF
TCR.7
Output Data Format.
0 = Bipolar data at TPOS and TNEG.
1 = NRZ data at TPOS; TNEG=0.
TFPT
TCR.6
Transmit Framing Pass-through.
0 = FT/FPS sourced internally.
1 = FT/FPS sampled at TSER during F-bit time.
TCP
TCR.5
Transmit CRC Pass-through.
0 = Transmit CRC code internally generated.
1 = TSER sampled at CRC F-bit time for external CRC insertion.
RBSE
TCR.4
Robbed Bit Signaling Enable.
1 = Signaling inserted in all channels during signaling frames.
0 = No signaling inserted. (The TTR registers allow the user to
disable signaling insertion on selected DS0 channels.)
TIS
TCR.3
Transmit Idle Code Select. Determines idle code format to be
inserted into channels marked by the TIR registers.
0 = Insert 7F (Hex) into marked channels.
1 = Insert FF (Hex) into marked channels.
193SI
TCR.2
193S S-bit Insertion. Determines source of transmitted S-bit.
0 = Internal S-bit generator.
1 = External (sampled at TLINK input).
TBL
TCR.1
Transmit Blue Alarm.
0 = Disabled.
1 = Enabled.
TYEL
TCR.0
TYEL TCR.0 Transmit Yellow Alarm.
0 = Disabled.
1 = Enabled.
TRANSMIT BLUE ALARM
The blue alarm (also known as the AIS, Alarm Indication Signal) is an unframed, all 1’s sequence
enabled by asserting TCR.1. Blue alarm overrides all other transmit data patterns and is disabled by
clearing TCR.1. Use of the TIR registers allows a framed, all 1’s alarm transmission if required by the
network.
TRANSMIT YELLOW ALARM
In 193E framing, a yellow alarm is a repeating pattern set of FF(Hex) and 00 (Hex) on the 4 kHz facility
data link (FDL). In 193S framing the yellow alarm format is dependent on the state of bit CCR.3. In all
modes, yellow alarm is enabled by asserting TCR.0 and disabled by clearing TCR.0.
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參數(shù)描述
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DS2180AQ/T&R 功能描述:網(wǎng)絡控制器與處理器 IC T1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)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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DS2180AQ+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/T1 5V 44PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TRANSCEIVER T1 44-PLCC 制造商:Maxim Integrated Products 功能描述:Network Controller & Processor ICs T1 Transceiver
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