參數(shù)資料
型號： DS21Q42T+
廠商： Maxim Integrated Products
文件頁數(shù)： 50/116頁
文件大?。?/td> 0K
描述： IC FRAMER ENHANCED T1 4X 128TQFP
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： 2.97 V ~ 3.63 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： 128-LQFP
供應(yīng)商設(shè)備封裝： 128-LQFP（14x20）
包裝： 管件
DS21Q42
39 of 116
SYMBOL
POSITION
NAME AND DESCRIPTION
F2SR
ISR.4
FRAMER 2 SR1 or SR2 INTERRUPT REQUEST.
0 = No interrupt request pending.
1 = Interrupt request pending.
F1HDLC
ISR.3
FRAMER 1 HDLC CONTROLLER INTERRUPT
REQUEST.
0 = No interrupt request pending.
1 = Interrupt request pending.
F1SR
ISR.2
FRAMER 1 SR1 or SR2 INTERRUPT REQUEST.
0 = No interrupt request pending.
1 = Interrupt request pending.
F0HDLC
ISR.1
FRAMER 0 HDLC CONTROLLER INTERRUPT
REQUEST.
0 = No interrupt request pending.
1 = Interrupt request pending.
F0SR ISR
0
FRAMER 0 SR1 or SR2 INTERRUPT REQUEST.
0 = No interrupt request pending.
1 = Interrupt request pending.
RIR1: RECEIVE INFORMATION REGISTER 1 (Address=22 Hex)
(MSB)
(LSB)
COFA
8ZD
16ZD
RESF
RESE
SEFE
B8ZS
FBE
SYMBOL
POSITION
NAME AND DESCRIPTION
COFA
RIR1.7
Change of Frame Alignment. Set when the last resync
resulted in a change of frame or multiframe alignment.
8ZD
RIR1.6
Eight Zero Detect. Set when a string of at least eight
consecutive zeros (regardless of the length of the string) have
been received at RPOS and RNEG.
16ZD
RIR1.5
Sixteen Zero Detect. Set when a string of at least sixteen
consecutive zeros (regardless of the length of the string) have
been received at RPOS and RNEG.
RESF
RIR1.4
Receive Elastic Store Full. Set when the receive elastic store
buffer fills and a frame is deleted.
RESE
RIR1.3
Receive Elastic Store Empty. Set when the receive elastic
store buffer empties and a frame is repeated.
SEFE
RIR1.2
Severely Errored Framing Event. Set when 2 out of 6
framing bits (Ft or FPS) are received in error.
B8ZS
RIR1.1
B8ZS Code Word Detect. Set when a B8ZS code word is
detected at RPOS and RNEG independent of whether the
B8ZS mode is selected or not via CCR2.6. Useful for
automatically setting the line coding.
FBE
RIR1.0
Frame Bit Error. Set when a Ft (D4) or FPS (ESF) framing
bit is received in error.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q42T+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced Quad 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
DS21Q42TN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced Quad 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
DS21Q43A 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad E1 Framer
DS21Q43AT 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad 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
DS21Q43AT+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad 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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