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參數(shù)資料
| 型號(hào)： | DS21552GN |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 75/137頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX T1 1-CHIP 5V 100-BGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 單芯片收發(fā)器 |
| 接口： | E1，HDLC，J1，T1 |
| 電路數(shù)： | 1 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 電流 - 電源： | 75mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LFBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | 100-CSBGA（10x10） |
| 包裝： | 托盤(pán) |
| 包括： | DSX-1 和 CSU 線路補(bǔ)償發(fā)生器，HDLC 控制器，帶內(nèi)回路代碼發(fā)生器和檢測(cè)器 |
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DS21352/DS21552
42 of 137
CCR7: COMMON CONTROL REGISTER 7 (Address=0A Hex)
(MSB)
(LSB)
LIRST
RLB
RESR
TESR
–
LIUSI
CDIG
LIUODO
SYMBOL
POSITION
NAME AND DESCRIPTION
LIRST
CCR7.7
Line Interface Reset. Setting this bit from a zero to a one will initiate an internal reset
that affects the clock recovery state machine and jitter attenuator. Normally this bit is
only toggled on power–up. Must be cleared and set again for a subsequent reset.
RLB
CCR7.6
Remote Loopback.
0 = loopback disabled
1 = loopback enabled
RESR
CCR7.5
Receive Elastic Store Reset. Setting this bit from a zero to a one will minimize the
delay through the receive elastic store. Should be toggled after RSYSCLK has been
applied and is stable. See section 14.3 for details. Do not leave this bit set HIGH.
TESR
CCR7.4
Transmit Elastic Store Reset. Setting this bit from a zero to a one will maximize the
delay through the transmit elastic store. Transmit data is lost during the reset. Should be
toggled after TSYSCLK has been applied and is stable. See section 14.3for details. Do
not leave this bit set HIGH.
-CCR7.3
Reserved. Must be set low for proper operation.
LIUSI
CCR7.2
Line Interface Synchronization Interface Enable. This control bit determines whether
the line receiver should handle a normal T1 signal or a 1.544MHz synchronization signal.
This control has no affect on the line interface transmitter.
0 = line receiver configured to support a normal T1 signal
1 = line receiver configured to support a synchronization signal
CDIG
CCR7.1
Customer Disconnect Indication Generator. This control bit determines whether the
Line Interface will generate an unframed ...1010... pattern at TTIP and TRING instead of
the normal data pattern.
0 = generate normal data at TTIP & TRING as input via TPOSI & TNEGI
1 = generate a ...1010... pattern at TTIP and TRING
LIUODO
CCR7.0
Line Interface Open Drain Option. This control bit determines whether the TTIP and
TRING outputs will be open drain or not. The line driver outputs can be forced open
drain to allow 6Vpeak pulses to be generated or to allow the creation of a very low power
interface.
0 = allow TTIP and TRING to operate normally
1 = force the TTIP and TRING outputs to be open drain
6.6 REMOTE LOOPBACK
When CCR7.6 is set to a one, the DS21352/552 will be forced into Remote LoopBack (RLB). In this
loopback, data input via the RPOSI and RNEGI pins will be transmitted back to the TPOSO and TNEGO
pins. Data will continue to pass through the receive side framer of the DS21352/552 as it would normally
and the data from the transmit side formatter will be ignored. Please see Figure 3-1 for more details.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21552L | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21552L+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21552LB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS21552LN | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21552LN+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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