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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC7441 датащи(PDF) 22 Page - Freescale Semiconductor, Inc |
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MPC7441 датащи(HTML) 22 Page - Freescale Semiconductor, Inc |
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22 / 60 page  MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4 22 Freescale Semiconductor Electrical and Thermal Characteristics Figure 7 provides the AC test load for TDO and the boundary-scan outputs of the MPC7448. Figure 7. Alternate AC Test Load for the JTAG Interface Figure 8 provides the JTAG clock input timing diagram. Figure 8. JTAG Clock Input Timing Diagram Figure 9 provides the TRST timing diagram. Figure 9. TRST Timing Diagram Figure 10 provides the boundary-scan timing diagram. Figure 10. Boundary-Scan Timing Diagram Output Z0 = 50 Ω OVDD/2 RL = 50 Ω VM VM VM VM = Midpoint Voltage (OVDD/2) tTCLK tJR tJF tJHJL TCLK TRST tTRST VM = Midpoint Voltage (OVDD/2) VM VM VM TCK Boundary Boundary Boundary Data Outputs Data Inputs Data Outputs VM = Midpoint Voltage (OVDD/2) tDXJH tDVJH tJLDV tJLDZ Input Data Valid Output Data Valid Output Data Valid tJLDX VM |
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