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AM2434...ALV 数据表(PDF) 244 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 244 Page - Texas Instruments |
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244 / 280 page  7.10.6 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. 7.10.6.1 Trace Table 7-146. 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 VDDSHV3 = 1.8V 200 ps VDDSHV3 =3.3V 100 ps Table 7-147. Trace Switching Characteristics NO. PARAMETER MIN MAX UNIT 1.8V Mode DBTR1 tc(TRC_CLK) Cycle time, TRC_CLK 6.50 ns DBTR2 tw(TRC_CLKH) Pulse width, TRC_CLK high 2.50 ns DBTR3 tw(TRC_CLKL) Pulse width, TRC_CLK low 2.50 ns DBTR4 tosu(TRC_DATAV- TRC_CLK) Output setup time, TRC_DATA valid to TRC_CLK edge 0.81 ns DBTR5 toh(TRC_CLK-TRC_DATAI) Output hold time, TRC_CLK edge to TRC_DATA invalid 0.81 ns DBTR6 tosu(TRC_CTLV-TRC_CLK) Output setup time, TRC_CTL valid to TRC_CLK edge 0.81 ns DBTR7 toh(TRC_CLK-TRC_CTLI) Output hold time, TRC_CLK edge to TRC_CTL invalid 0.81 ns 3.3V Mode DBTR1 tc(TRC_CLK) Cycle time, TRC_CLK 8.67 ns DBTR2 tw(TRC_CLKH) Pulse width, TRC_CLK high 3.58 ns DBTR3 tw(TRC_CLKL) Pulse width, TRC_CLK low 3.58 ns DBTR4 tosu(TRC_DATAV- TRC_CLK) Output setup time, TRC_DATA valid to TRC_CLK edge 1.08 ns DBTR5 toh(TRC_CLK-TRC_DATAI) Output hold time, TRC_CLK edge to TRC_DATA invalid 1.08 ns DBTR6 tosu(TRC_CTLV-TRC_CLK) Output setup time, TRC_CTL valid to TRC_CLK edge 1.08 ns DBTR7 toh(TRC_CLK-TRC_CTLI) Output hold time, TRC_CLK edge to TRC_CTL invalid 1.08 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 7-115. Trace Switching Characteristics AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 www.ti.com 244 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM2434 AM2432 AM2431 |
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