參數(shù)資料
型號： DS21FT40
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù)： 31/87頁
文件大?。?/td> 386K
代理商： DS21FT40
DS21FT40
31 of 87
SYMBOLS
POSITION
NAME AND DESCRIPTION
RSRE
CCR3.3
Receive Side Signaling Re–Insertion Enable. See Section 9 for
details.
0=do not re–insert signaling bits into the data stream presented
at the RSER pin
1=re–insert the signaling bits into data stream presented at the
RSER pin
Transmit Side Hardware Signaling Insertion Enable.
THSE
CCR3.2
Not applicable for DS21FT40. Should be cleared to zero.
Transmit Side Backplane Clock Select.
0=if TSYSCLK is 1.544 MHz
1=if TSYSCLK is 2.048 MHz
Receive Carrier Loss (RCL) Alternate Criteria.
0=RCL declared upon 255 consecutive zeros (125 us)
1=RCL declared upon 2048 consecutive zeros (1 ms)
TBCS
CCR3.1
RCLA
CCR3.0
CCR4: COMMON CONTROL REGISTER 4 (Address=A8 Hex)
(MSB)
RLB
–
–
(LSB)
TCM0
TCM4
TCM3
TCM2
TCM1
SYMBOLS
POSITION
NAME AND DESCRIPTION
RLB
CCR4.7
Remote Loopback.
0 = loopback disabled
1 = loopback enabled
Not Assigned. Should be set to zero when written.
Not Assigned. Should be set to zero when written.
Transmit Channel Monitor Bit 4. MSB of a channel decode
that deter-mines which transmit channel data will appear in the
TDS0M register. See Section 8 for details.
Transmit Channel Monitor Bit 3.
Transmit Channel Monitor Bit 2.
Transmit Channel Monitor Bit 1.
Transmit Channel Monitor Bit 0. LSB of the channel decode.
–
–
CCR4.6
CCR4.5
CCR4.4
TCM4
TCM3
TCM2
TCM1
TCM0
CCR4.3
CCR4.2
CCR4.1
CCR4.0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21FT40N 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS21FT42 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FT42N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer 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
DS21FT44 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
DS21FT44+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4X3 E1 Framer E1 Framer E1 Framer 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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