《boundaryscan技术资料.doc,边界扫描(Boundary scan )是一项测试技术,是在传统的在线测试不在适应大规模,高集成电路测试的情况下而提出的,就是在IC设计的过程中在IC的内部逻辑和每个器件引脚间放置移位寄存器(shift register).每个移位寄存器叫做一个CELL。这些CELL准许
边界扫描(Boundary scan )是一项测试技术,是在传统的在线测试不在适应大规模,高集成电路测试的情况下而提出的,就是在IC设计的过程中在IC的内部逻辑和每个器件引脚间放置移位寄存器(shift register).每个移位寄存器叫做一个CELL。这些CELL准许你去控制和观察每个输入/输出引脚的状态 。当这些CELL连在一起就形成了一个...
网络边界扫描单元;边际扫瞄单元;扫描组件
1149.1 Boundary-Scan Register 13–5 Figure 13–4 shows the User I/O Boundary-Scan Cell of MAX II devices. Figure 13–4. MAX II Device's User I/O BSC with IEEE Std. 1149.1 BST Circuitry SDO INJ 0 1 DQ Input PIN_IN OEJ From or To Device I/O Cell Circuitry And/Or Logic Core ...
Boundary scan cell 专利名称:Boundary scan cell 发明人:Feger, William Edgar,Rutkowski, Paul William 申请号:EP94305137.5 申请日:19940713 公开号:EP0636896A1 公开日:19950201 专利内容由知识产权出版社提供 专利附图:摘要:A Boundary-Scan cell (12') for facilitating testing of an electronic device...
the I/O cells of the IC. Each I/O cell is a boundary scan cell and contains logic to control the operation of the cell between the normal operating mode and the boundary scan mode. Test access is via the TAP (test access port). A basic test access port will consist of the ...
BOUNDARY SCAN CELLPURPOSE: To reduce the number of gates by simplifying the structure of a boundary scan call.SAITO SHOICHI齊藤 正一MIYATA TAKUO宮田 拓雄
A complementary boundary-scan cell arrangement includes a plurality of system input terminals supplied with signals from the system side, a corresponding number of scan input terminals, a corresponding number of registers supplied with signals inputted to the system input terminals or the scan input te...
Difference between boundary scan, JTAG and IEEE 1149.1 Connector types The terms boundary scan, JTAG, and IEEE 1149.1 have come to mean slightly different things. With the development of the technology, the terms have taken on slightly different meanings. Boundary scan: This refers to the test...
pin illustrated in figure given below. A circuit that implements this design requires around 0.015 mm2. It can be expected that boundary scan cells for input and other pin types would be of similar size. Therefore, for an IC with 40 system pins, boundary scan registers would require 0.6 mm...