参数资料
型号: DS31256+
厂商: Maxim Integrated Products
文件页数: 74/183页
文件大小: 0K
描述: IC CTRLR HDLC 256-CHANNEL 256BGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 40
控制器类型: HDLC 控制器
接口: 串行
电源电压: 3 V ~ 3.6 V
电流 - 电源: 500mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 256-BBGA
供应商设备封装: 256-BGA(27x27)
包装: 管件
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页当前第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页第105页第106页第107页第108页第109页第110页第111页第112页第113页第114页第115页第116页第117页第118页第119页第120页第121页第122页第123页第124页第125页第126页第127页第128页第129页第130页第131页第132页第133页第134页第135页第136页第137页第138页第139页第140页第141页第142页第143页第144页第145页第146页第147页第148页第149页第150页第151页第152页第153页第154页第155页第156页第157页第158页第159页第160页第161页第162页第163页第164页第165页第166页第167页第168页第169页第170页第171页第172页第173页第174页第175页第176页第177页第178页第179页第180页第181页第182页第183页
DS31256 256-Channel, High-Throughput HDLC Controller
165 of 183
Test-Logic-Reset. The TAP controller is in the Test-Logic-Reset state upon DS31256 power-up. The
instruction register contains the IDCODE instruction. All system logic on the DS31256 operates
normally.
Run-Test-Idle. Run-Test-Idle is used between scan operations or during specific tests. The instruction
and test registers remain idle.
Select-DR-Scan. All test registers retain their previous state. With JTMS low, a rising edge of JTCLK
moves the controller into the Capture-DR state and initiates a scan sequence. JTMS high moves the
controller to the Select-IR-Scan state.
Capture-DR. Data can be parallel loaded into the test data registers selected by the current instruction. If
the instruction does not call for a parallel load or the selected register does not allow parallel loads, the
test register remains at its current value. On the rising edge of JTCLK, the controller goes to the Shift-DR
state if JTMS is low or it goes to the Exit1-DR state if JTMS is high.
Shift-DR. The test data register selected by the current instruction is connected between JTDI and JTDO
and shifts data one stage toward its serial output on each rising edge of JTCLK. If a test register selected
by the current instruction is not placed in the serial path, it maintains its previous state.
Exit1-DR. While in this state, a rising edge on JTCLK with JTMS high puts the controller in the Update-
DR state, which terminates the scanning process. A rising edge on JTCLK with JTMS low puts the
controller in the Pause-DR state.
Pause-DR. Shifting of the test registers is halted while in this state. All test registers selected by the
current instruction retain their previous states. The controller remains in this state while JTMS is low. A
rising edge on JTCLK with JTMS high puts the controller in the Exit2-DR state.
Exit2-DR. While in this state, a rising edge on JTCLK with JTMS high puts the controller in the Update-
DR state and terminates the scanning process. A rising edge on JTCLK with JTMS low enters the Shift-
DR state.
Update-DR. A falling edge on JTCLK while in the Update-DR state latches the data from the shift
register path of the test registers into the data output latches. This prevents changes at the parallel output
because of changes in the shift register. A rising edge on JTCLK with JTMS low puts the controller in the
Run-Test-Idle state. With JTMS high, the controller enters the Select-DR-Scan state.
Select-IR-Scan. All test registers retain their previous states. The instruction register remains
unchanged during this state. With JTMS low, a rising edge on JTCLK moves the controller into the
Capture-IR state and initiates a scan sequence for the instruction register. JTMS high during a rising edge
on JTCLK puts the controller back into the Test-Logic-Reset state.
Capture-IR. The Capture-IR state is used to load the shift register in the instruction register with a fixed
value. This value is loaded on the rising edge of JTCLK. If JTMS is high on the rising edge of JTCLK,
the controller enters the Exit1-IR state. If JTMS is low on the rising edge of JTCLK, the controller enters
the Shift-IR state.
Shift-IR. In this state, the shift register in the instruction register is connected between JTDI and JTDO
and shifts data one stage for every rising edge of JTCLK toward the serial output. The parallel register as
相关PDF资料
PDF描述
DS3141+ IC FRAMER DS3/E3 SNGL 144CSBGA
DS31412N IC 12CH DS3/3 FRAMER 349-BGA
DS3150TN IC LIU T3/E3/STS-1 IND 48-TQFP
DS3154N+ IC LIU DS3/E3/STS-1 QD 144CSBGA
DS3164+ IC ATM/PACKET PHY QUAD 400-BGA
相关代理商/技术参数
参数描述
DS31256+ 功能描述:输入/输出控制器接口集成电路 256Ch High Thruput HDLC Cntlr RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray
DS31256B 功能描述:输入/输出控制器接口集成电路 256Ch High Thruput HDLC Cntlr RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray
DS31256DK 功能描述:网络开发工具 RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V
DS31256-W+ 制造商:Maxim Integrated Products 功能描述:ENVOY 256 CHANNEL HDLC - WAIVER - Rail/Tube
DS312BNC 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC