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)： 56/87頁
文件大小： 386K
代理商： DS21FT40
DS21FT40
6 of 87
TABLE OF CONTENTS
DESCRIPTION.......................................................................................................................................................................... 1
1.
DS21FT40 PIN DESCRIPTION....................................................................................................................................... 8
2.
DS21FT44 PIN FUNCTION DESCRIPTION............................................................................................................... 16
3.
DS21FT40 REGISTER MAP.......................................................................................................................................... 19
4.
PARALLEL PORT.......................................................................................................................................................... 24
5.
CONTROL, ID AND TEST REGISTERS..................................................................................................................... 24
6.
STATUS AND INFORMATION REGISTERS ............................................................................................................ 33
7.
ERROR COUNT REGISTERS ...................................................................................................................................... 39
8.
DS0 MONITORING FUNCTION.................................................................................................................................. 41
9.
SIGNALING OPERATION............................................................................................................................................ 44
9.1
PROCESSOR BASED SIGNALING ........................................................................................................................ 44
9.2
HARDWARE BASED SIGNALING ........................................................................................................................ 47
10.
PER–CHANNEL CODE GENERATION AND LOOPBACK................................................................................ 47
10.1
TRANSMIT SIDE CODE GENERATION............................................................................................................... 47
10.1.1
Simple Idle Code Insertion and Per–Channel Loopback................................................................................... 47
10.1.2
Per–Channel Code Insertion ............................................................................................................................. 48
10.2
RECEIVE SIDE CODE GENERATION .................................................................................................................. 49
11.
CLOCK BLOCKING REGISTERS .......................................................................................................................... 50
12.
ELASTIC STORES OPERATION ............................................................................................................................ 50
12.1
RECEIVE SIDE......................................................................................................................................................... 51
12.2
TRANSMIT SIDE ..................................................................................................................................................... 51
13.
ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION ................................................................ 51
13.1
INTERNAL REGISTER SCHEME BASED ON DOUBLE–FRAME ..................................................................... 51
13.2
INTERNAL REGISTER SCHEME BASED ON CRC4 MULTIFRAME................................................................ 53
14.
HDLC CONTROLLER FOR THE SA BITS OR DS0 ............................................................................................. 55
14.1
GENERAL OVERVIEW.................................................................................................................................................. 55
14.2
HDLC STATUS REGISTERS ......................................................................................................................................... 56
14.3
BASIC OPERATION DETAILS ........................................................................................................................................ 57
14.4
HDLC REGISTER DESCRIPTION .................................................................................................................................. 58
15.
INTERLEAVED PCM BUS OPERATION .............................................................................................................. 64
16.
TIMING DIAGRAMS................................................................................................................................................. 67
17.
OPERATING PARAMETERS................................................................................................................................... 75
18.
DS21FT40 MECHANICAL DIMENSIONS.............................................................................................................. 86
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
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