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参数资料
型号： DS2196LN+
厂商： Maxim Integrated Products
文件页数： 31/157页
文件大小： 0K
描述： IC FRAMER DUAL T1 LIU 100-LQFP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 90
控制器类型： T1 调帧器
接口： 并行/串行
电源电压： 3.135 V ~ 3.465 V
电流 - 电源： 85mA
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 100-LQFP
供应商设备封装： 100-LQFP（14x14）
包装： 托盘
DS2196
126 of 157
Exit2-DR
While in this state, a rising edge on JTCLK with JTMS high will put the controller in the Update-DR
state and terminate the scanning process. A rising edge on JTCLK with JTMS low will enter the Shift-
DR state.
Update-DR
A falling edge on JTCLK while in the Update-DR state will latch the data from the shift register path of
the Test registers into the data output latches. This prevents changes at the parallel output due to changes
in the shift register. A rising edge on JTCLK with JTMS low, will put the controller in the Run-Test-Idle
state. With JTMS high, the controller will enter the Select-DR-Scan state.
Select-IR-Scan
All test registers retain their previous state. The instruction register will remain unchanged during this
state. With JTMS low, a rising edge of JTCLK moves the controller into the Capture-IR state and will
initiate 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
will enter the Exit1-IR state. If JTMS is low on the rising edge of JTCLK, the controller will enter 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 towards the serial output. The parallel registers, as well as
all Test registers remain at their previous states. A rising edge on JTCLK with JTMS high will move the
controller to the Exit1-IR state. A rising edge on JTCLK with JTMS low will keep the controller in the
Shift-IR state while moving data one stage thorough the instruction shift register.
Exit1-IR
A rising edge on JTCLK with JTMS low will put the controller in the Pause-IR state. If JTMS is high on
the rising edge of JTCLK, the controller will enter the Update-IR state and terminate the scanning
process.
Pause-IR
Shifting of the instruction shift register is halted temporarily. With JTMS high, a rising edge on JTCLK
will put the controller in the Exit2-IR state. The controller will remain in the Pause-IR state if JTMS is
low during a rising edge on JTCLK.
Exit2-IR
A rising edge on JTCLK with JTMS low will put the controller in the Update-IR state. The controller
will loop back to Shift-IR if JTMS is high during a rising edge of JTCLK in this state.
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