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AM263P4 数据表(PDF) 104 Page - Texas Instruments |
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AM263P4 数据表(HTML) 104 Page - Texas Instruments |
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104 / 168 page  6.11.5.4 Enhanced Quadrature Encoder Pulse (eQEP) Note The device has multiple eQEP modules. The generic QEP_ prefix is used to represent the signal names for all eQEP instances. For more information, see Enhanced Quadrature Encoder Pulse (eQEP) Module section in the device TRM. 6.11.5.4.1 EQEP 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 6.11.5.4.2 EQEP Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT QEP1 tw(QEPP) QEP input period Synchronous(3) 3P(1) ns With input qualifier 2 × (P(1) + U(2)) QEP2 tw(INDEXH) QEP Index Input High time Synchronous(3) 2 + 3P(1) ns With input qualifier 2P(1) + U(2) QEP3 tw(INDEXL) QEP Index Input Low time Synchronous(3) 3P(1) ns With input qualifier 2P(1) + U(2) QEP4 tw(STROBH) QEP Strobe High time Synchronous(3) 3P(1) ns With input qualifier 2P(1) + U(2) QEP5 tw(STROBL) QEP Strobe Input Low time Synchronous(3) 3P(1) ns With input qualifier 2P(1) + U(2) (1) P = sysclk period in ns. (2) U = the input qualifier sampling window. See GPIO Electrical Data and Timing section for details on Input Qualifier Mode. (3) The GPIO GPxQSELn Asynchronous mode should not be used for eQEP module input pins. QEP_S QEP4 EPERIPHERALS_TIMNG_03 QEP_I QEP2 QEP_A/B QEP1 QEP3 QEP5 Figure 6-20. EQEP Timing Requirements AM263P4, AM263P2, AM263P4-Q1, AM263P2-Q1 SPRSP81D – OCTOBER 2023 – REVISED MAY 2025 www.ti.com 104 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: AM263P4 AM263P2 AM263P4-Q1 AM263P2-Q1 |
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