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AM261...ZEJ 数据表(PDF) 116 Page - Texas Instruments |
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AM261...ZEJ 数据表(HTML) 116 Page - Texas Instruments |
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116 / 218 page  6.11.5.2 Enhanced Capture (eCAP) Note The device has multiple ECAP modules. The generic CAP_ prefix is used to represent the signal names for all ECAP instances. For more information, see Enhanced Capture (ECAP) Module section in the device TRM. 6.11.5.2.1 ECAP Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input Slew Rate 1 4 V/ns OUTPUT CONDITIONS CL Output Load Capacitance 2 7 pF 6.11.5.2.2 ECAP Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT CAP1 tw(CAP) Capture input pulse width Asynchronous (2 + X(2)) × P(1) ns Synchronous (3 + X(2)) × P(1) With input qualifier (2 + X(2)) × P(1) + U(3) (1) P = sysclk period in ns. (2) X = value of ECCTL0_TYPE3[QUALPRD] setting. (3) U = the input qualifier sampling window. See GPIO Electrical Data and Timing section for details on Input Qualifier Mode CAP CAP1 EPERIPHERALS_TIMNG_01 Figure 6-16. ECAP Timings Requirements 6.11.5.2.3 ECAP Switching Characteristics (1) NO. PARAMETER DESCRIPTION MIN MAX UNIT CAP2 tw(APWM) Pulse duration, APWMx output high/low 10 ns (1) Some ECAP signals are pinmuxed with I2C0 SDA and SCL pins. These pins use an alternate open drain voltage buffer and may not meet the specified parameters. Values are pending additional post-silicon validation. APWM CAP2 EPERIPHERALS_TIMNG_02 Figure 6-17. ECAP Switching Characteristics AM2612, AM2611, AM2611-Q1, AM2612-Q1 SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025 www.ti.com 116 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: AM2612 AM2611 AM2611-Q1 AM2612-Q1 |
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