參數(shù)資料
型號(hào)： DS21Q41BT
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/61頁(yè)
文件大?。?/td> 0K
描述： IC FRAMER T1 QUAD 128-TQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 72
控制器類型： T1 調(diào)幀器
接口： 并行/串行
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 30mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 128-LQFP
供應(yīng)商設(shè)備封裝： 128-LQFP（14x20）
包裝： 管件
DS21Q41B
18 of 61
CCR1: COMMON CONTROL REGISTER 1 (Address=37 Hex)
(MSB)
(LSB)
TESE
ODF
RSAO
TSCLKM
RSCLKM
RESE
PLB
FLB
SYMBOL
POSITION
NAME AND DESCRIPTION
TESE
CCR1.7
Transmit Elastic Store Enable.
0=elastic store is bypassed
1=elastic store is enabled
ODF
CCR1.6
Output Data Format.
0=bipolar data at TPOS and TNEG
1=NRZ data at TPOS; TNEG=0
RSAO
CCR1.5
Receive Signaling All ones.
0=allow robbed signaling bits to appear at RSER
1=force all robbed signaling bits at RSER to 1
TSCLKM
CCR1.4
TSYSCLK Mode Select.
0=if TSYSCLK is 1.544 MHz
1=if TSYSCLK is 2.048 MHz
RSCLKM
CCR1.3
RSYSCLK Mode Select.
0=if RSYSCLK is 1.544 MHz
1=if RSYSCLK is 2.048 MHz
RESE
CCR1.2
Receive Elastic Store Enable.
0=elastic store is bypassed
1=elastic store is enabled
PLB
CCR1.1
Payload Loopback.
0=loopback disabled
1=loopback enabled
FLB
CCR1.0
Framer Loopback.
0=loopback disabled
1=loopback enabled
PAYLOAD LOOPBACK
When CCR1.1 is set to a one, the DS21Q41B will be forced into Payload LoopBack (PLB). Normally,
this loopback is only enabled when ESF framing is being performed. In a PLB situation, the DS21Q41B
will loop the 192 bits of payload data (with BPVs corrected) from the receive section back to the transmit
section. The FPS framing pattern, CRC6 calculation, and the FDL bits are not looped back; they are
reinserted by the DS21Q41B. When PLB is enabled, the following will occur:
1. Data will be transmitted from the TPOS and TNEG pins synchronous with RCLK instead of TCLK.
2. All of the receive side signals will continue to operate normally.
.
3. The TCHCLK and TCHBLK signals are forced low.
4. Data at the TSER pin is ignored.
5. The TLCLK signal will become synchronous with RCLK instead of TCLK.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q41-BT 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS21Q41BT+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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
DS21Q41BT+T 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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
DS21Q41BTN 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad T1 Framer
DS21Q41-BTN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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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