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AM62A7 数据表(PDF) 130 Page - Texas Instruments |
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AM62A7 数据表(HTML) 130 Page - Texas Instruments |
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130 / 238 page  7.10.5.7 Emulation and Debug For more details about features and additional description information on the device Trace and JTAG interfaces, see the corresponding subsections within Signal Descriptions and Detailed Description sections. 7.10.5.7.1 Trace Table 7-48. Trace Timing Conditions PARAMETER MIN MAX UNIT OUTPUT CONDITIONS CL Output load capacitance 2 5 pF PCB CONNECTIVITY REQUIREMENTS td(Trace Mismatch) Propagation delay mismatch across all traces 200 ps Table 7-49. Trace Switching Characteristics NO. PARAMETER MIN MAX UNIT 1.8V Mode DBTR1 tc(TRC_CLK) Cycle time, TRC_CLK 6.83 ns DBTR2 tw(TRC_CLKH) Pulse width, TRC_CLK high 2.66 ns DBTR3 tw(TRC_CLKL) Pulse width, TRC_CLK low 2.66 ns DBTR4 tosu(TRC_DATAV- TRC_CLK) Output setup time, TRC_DATA valid to TRC_CLK edge 0.85 ns DBTR5 toh(TRC_CLK-TRC_DATAI) Output hold time, TRC_CLK edge to TRC_DATA invalid 0.85 ns DBTR6 tosu(TRC_CTLV-TRC_CLK) Output setup time, TRC_CTL valid to TRC_CLK edge 0.85 ns DBTR7 toh(TRC_CLK-TRC_CTLI) Output hold time, TRC_CLK edge to TRC_CTL invalid 0.85 ns 3.3V Mode DBTR1 tc(TRC_CLK) Cycle time, TRC_CLK 8.78 ns DBTR2 tw(TRC_CLKH) Pulse width, TRC_CLK high 3.64 ns DBTR3 tw(TRC_CLKL) Pulse width, TRC_CLK low 3.64 ns DBTR4 tosu(TRC_DATAV- TRC_CLK) Output setup time, TRC_DATA valid to TRC_CLK edge 1.10 ns DBTR5 toh(TRC_CLK-TRC_DATAI) Output hold time, TRC_CLK edge to TRC_DATA invalid 1.10 ns DBTR6 tosu(TRC_CTLV-TRC_CLK) Output setup time, TRC_CTL valid to TRC_CLK edge 1.10 ns DBTR7 toh(TRC_CLK-TRC_CTLI) Output hold time, TRC_CLK edge to TRC_CTL invalid 1.10 ns TRC_DATA TRC_CTL TRC_CLK ( ) ( ) (Ideal) Worst Case 1 Worst Case 2 DBTR1 DBTR2 DBTR3 DBTR4 DBTR6 DBTR5 DBTR7 DBTR4 DBTR6 DBTR5 DBTR7 SPRSP08_Debug_01 Figure 7-39. Trace Switching Characteristics AM62A7, AM62A7-Q1, AM62A3, AM62A3-Q1 SPRSP77A – MARCH 2023 – REVISED AUGUST 2023 www.ti.com 130 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: AM62A7 AM62A7-Q1 AM62A3 AM62A3-Q1 |
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