參數(shù)資料
型號: DS21FT40
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PBGA300
封裝: BGA-300
文件頁數(shù): 58/87頁
文件大?。?/td> 386K
代理商: DS21FT40
DS21FT40
61 of 87
RHFR: RECEIVE HDLC FIFO REGISTER (Address=B4 Hex)
(MSB)
(LSB)
HDLC7
HDLC6
HDLC5
HDLC4
HDLC3
HDLC2
HDLC1
HDLC0
SYMBOLS
POSITION
NAME AND DESCRIPTION
HDLC7
RHFR.7
HDLC Data Bit 7. MSB of a HDLC packet data byte.
HDLC6
RHFR.6
HDLC Data Bit 6.
HDLC5
RHFR.5
HDLC Data Bit 5.
HDLC4
RHFR.4
HDLC Data Bit 4.
HDLC3
RHFR.3
HDLC Data Bit 3.
HDLC2
RHFR.2
HDLC Data Bit 2.
HDLC1
RHFR.1
HDLC Data Bit 1.
HDLC0
RHFR.0
HDLC Data Bit 0. LSB of a HDLC packet data byte.
THIR: TRANSMIT HDLC INFORMATION REGISTER (Address=B6 Hex)
(MSB)
(LSB)
–––
––
EMPTY
TFULL
UDR
SYMBOLS
POSITION
NAME AND DESCRIPTION
THIR.7
Not Assigned. Could be any value when read.
THIR.6
Not Assigned. Could be any value when read.
THIR.5
Not Assigned. Could be any value when read.
THIR.4
Not Assigned. Could be any value when read.
THIR.3
Not Assigned. Could be any value when read.
TEMPTY
THIR.2
Transmit FIFO Empty. A real–time bit that is set high when
the FIFO is empty.
TFULL
THIR.1
Transmit FIFO Full. A real–time bit that is set high when the
FIFO is full.
UDR
THIR.0
Underrun. Set when the transmit FIFO unwantedly empties
out and an abort is automatically sent.
NOTE:
The UDR bit is latched and will be cleared when read.
相關(guān)PDF資料
PDF描述
DS21FT42 DATACOM, FRAMER, PBGA300
DS21FT42N DATACOM, FRAMER, PBGA300
DS21FF42 DATACOM, FRAMER, PBGA300
DS21FF42N DATACOM, FRAMER, PBGA300
DS21FT44N DATACOM, FRAMER, PBGA300
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