參數(shù)資料
型號： DS21FT42
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)： 85/145頁
文件大?。?/td> 466K
代理商： DS21FT42
DALLAS SEMICONDUCTOR
DS21FF42/DS21FT42
101899
/1235
RDB5
RDB4
RDB3
RDB2
RDB1
RDC2.4
RDC2.3
RDC2.2
RDC2.1
RDC2.0
DS0 Bit 5 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 4 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 3 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 2 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 1 Suppress Enable.
LSB of the DS0. Set to one to stop this bit
from being used.
TDC1: TRANSMIT HDLC DS0 CONTROL REGISTER 1
(Address = 92 Hex)
(MSB)
TDS0E
(LSB)
TD0
-
TDS0M
TD4
TD3
TD2
TD1
SYMBOL
POSITION
NAME AND DESCRIPTION
TDS0E
TDC1.7
HDLC DS0 Enable.
0 = use transmit HDLC controller for the FDL.
1 = use transmit HDLC controller for one or more DS0 channels.
Not Assigned.
Should be set to 0.
DS0 Selection Mode.
0 = utilize the TD0 to TD4 bits to select which single DS0 channel to
use.
1 = utilize the TCHBLK control registers to select which DS0 channels
to use.
DS0 Channel Select Bit 4.
MSB of the DS0 channel select.
DS0 Channel Select Bit 3.
DS0 Channel Select Bit 2.
DS0 Channel Select Bit 1.
DS0 Channel Select Bit 0.
LSB of the DS0 channel select.
-
TDC1.6
TDC1.5
TDS0M
TD4
TD3
TD2
TD1
TD0
TDC1.4
TDC1.3
TDC1.2
TDC1.1
TDC1.0
TDC2: TRANSMIT HDLC DS0 CONTROL REGISTER 2
(Address = 93 Hex)
(MSB)
TDB8
(LSB)
TDB1
TDB7
TDB6
TDB5
TDB4
TDB3
TDB2
SYMBOL
POSITION
NAME AND DESCRIPTION
TDB8
TDC2.7
DS0 Bit 8 Suppress Enable.
MSB of the DS0. Set to one to stop this bit
from being used.
DS0 Bit 7 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 6 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 5 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 4 Suppress Enable.
Set to one to stop this bit from being used.
DS0 Bit 3 Suppress Enable.
Set to one to stop this bit from being used.
TDB7
TDB6
TDB5
TDB4
TDB3
TDC2.6
TDC2.5
TDC2.4
TDC2.3
TDC2.2
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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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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DS21FT44N+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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