Figure-26 JTAG State Diagram Exit1-IR This is a temporar" />
參數(shù)資料
型號(hào)： IDT82V2048BB
廠商： IDT, Integrated Device Technology Inc
文件頁(yè)數(shù)： 40/62頁(yè)
文件大?。?/td> 0K
描述： IC LIU T1/E1 8CH SHORT 160-BGA
標(biāo)準(zhǔn)包裝： 14
類(lèi)型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.13 V ~ 3.47 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 160-BGA
供應(yīng)商設(shè)備封裝： 160-PBGA（15x15）
包裝： 托盤(pán)
其它名稱(chēng)： 82V2048BB
45
IDT82V2048 OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT
INDUSTRIAL TEMPERATURE RANGES
Figure-26 JTAG State Diagram
Exit1-IR
This is a temporary state. While in this state, if TMS is held high, a rising edge applied to TCK causes the controller to enter the Update-IR
state, which terminates the scanning process. If TMS is held low and a rising edge is applied to TCK, the controller enters the Pause-IR state.
The test data register selected by the current instruction retains its previous value and the instruction does not change during this state.
Pause-IR
The pause state allows the test controller to temporarily halt the shifting of data through the instruction register. The test data register selected
by the current instruction retains its previous value and the instruction does not change during this state. The controller remains in this state as
long as TMS is low. When TMS goes high and a rising edge is applied to TCK, the controller moves to the Exit2-IR state.
Exit2-IR
This is a temporary state. While in this state, if TMS is held high, a rising edge applied to TCK causes the controller to enter the Update-IR
state, which terminates the scanning process. If TMS is held low and a rising edge is applied to TCK, the controller enters the Shift-IR state.
The test data register selected by the current instruction retains its previous value and the instruction does not change during this state.
Update-IR
The instruction shifted into the instruction register is latched into the parallel output from the shift-register path on the falling edge of TCK.
When the new instruction has been latched, it becomes the current instruction. The test data registers selected by the current instruction
retain their previous value.
Table-22 TAP Controller State Description (Continued)
State
Description
Test-logic Reset
Run Test/Idle
Select-DR
Select-IR
Capture-DR
Capture-IR
Shift-DR
Shift-IR
Exit1-DR
Exit1-IR
Pause-DR
Pause-IR
Exit2-DR
Exit2-IR
Update-DR
Update-IR
1
0
1
00
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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參數(shù)描述
IDT82V2048BBG 功能描述:IC LIU T1/E1 8CH SHORT 160-BGA RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
IDT82V2048DA 功能描述:IC LIU T1/E1 8CH SHORT 144-TQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
IDT82V2048DAG 功能描述:IC LIU T1/E1 8CH SHORT 144-TQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
IDT82V2048E 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:OCTAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
IDT82V2048EBB 功能描述:IC LIU T1/E1 8CH SHORT 208-BGA RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類(lèi)型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
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