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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TMPR4955AF Fiches technique(PDF) 147 Page - Toshiba Semiconductor |
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TMPR4955AF Fiches technique(HTML) 147 Page - Toshiba Semiconductor |
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147 / 168 page  Chapter 7 JTAG Interface 7-13 7.4.3 The BYPASS Instruction This instruction targets the bypass register between JTDI and JTDO. The bypass register provides a minimum length serial path through the IC (or between JTDI and JTDO) when the IC is not required for the current test. The BYPASS instruction does not cause interference to the normal operation of the on-chip system logic. The flow of data through the bypass register while the BYPASS instruction is selected is shown in Figure 7.4.4. Figure 7.4.4 Test Data Flow While the Bypass Instruction is Selected 7.4.4 The IDCODE Instruction This instruction targets the device identification register between JTDI and JTDO to identify manufacturer identity, part number, and version number for the part. JTDO JTDI Bypass Register 1-bit |
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