| 전자부품 데이터시트 검색엔진 |
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MPC823 데이터시트(PDF) 37 Page - Freescale Semiconductor, Inc |
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MPC823 데이터시트(HTML) 37 Page - Freescale Semiconductor, Inc |
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37 / 70 page ![]() MPC823 ELECTRICAL SPECIFICATIONS 37 Table 7. JTAG Timing NUM CHARACTERISTIC 25MHZ 40MHZ 50MHZ UNIT MIN MAX MIN MAX MIN MAX J82 TCK cycle time 100 Ñ 100 Ñ 100 Ñ ns J83 TCK clock pulse width measured at 1.5V 40 Ñ 40 Ñ 40 Ñ ns J84 TCK rise and fall times 0 10 0 10 0 10 ns J85 TMS, TDI data setup time 5Ñ5Ñ5Ñ ns J86 TMS, TDI data hold time 25 Ñ 25 Ñ 25 Ñ ns J87 TCK low to TDO data valid Ñ 27 Ñ 27 Ñ 27 ns J88 TCK low to TDO data invalid 0Ñ0Ñ0Ñ ns J89 TCK low to TDO high impedance Ñ 20 Ñ 20 Ñ 20 ns J90 TRST assert time 100 Ñ 100 Ñ 100 Ñ ns J91 TRST setup time to TCK low 40 Ñ 40 Ñ 40 Ñ ns J92 TCK falling edge to output valid Ñ 50 Ñ 50 Ñ 50 ns J93 TCK falling edge to ouput valid out of high impedance Ñ 50 Ñ 50 Ñ 50 ns J94 TCK falling edge to output high impedance Ñ 50 Ñ 50 Ñ 50 ns J95 Boundary scan input valid to TCK rising edge 50 Ñ 50 Ñ 50 Ñ ns J96 TCK rising edge to boundary scan input invalid 50 Ñ 50 Ñ 50 Ñ ns Figure 33. JTAG Test Clock Input Timing Diagram TCK J84 J83 J82 J82 J84 J83 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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