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AM652X データシート(PDF) 176 Page - Texas Instruments |
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AM652X データシート(HTML) 176 Page - Texas Instruments |
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176 / 282 page  EHRPWM_A/B EHRPWM_TZn_IN PWM4 Figure 7-46. EHRPWM_TZn_IN to EHRPWM_A/B Hi-Z Switching Characteristics For more information, see section Enhanced Pulse Width Modulation (EPWM) Module in the device TRM. 7.9.5.8 eQEP The supported features by the device eQEP are: • Input Synchronization • Three Stage/Six Stage Digital Noise Filter • Quadrature Decoder Unit • Position Counter and Control unit for position measurement • Quadrature Edge Capture unit for low speed measurement • Unit Time base for speed/frequency measurement • Watchdog Timer for detecting stalls Table 7-37 represents eQEP timing conditions. Table 7-37. eQEP Timing Conditionns PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate 1 4 V/ns OUTPUT CONDITIONS CL Output load capacitance 2 7 pF Section 7.9.5.8.1 and Section 7.9.5.8.2 present Timing Requirements and Switching Characteristics for eQEP (see Figure 7-47). 7.9.5.8.1 eQEP Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT QEP1 tw(QEP) Pulse duration, QEP_A/B 3 + 2P (1) ns QEP2 tw(QEPIH) Pulse duration, QEP_I high 3 + 2P (1) ns QEP3 tw(QEPIL) Pulse duration, QEP_I low 3 + 2P (1) ns QEP4 tw(QEPSH) Pulse duration, QEP_S high 3 + 2P (1) ns QEP5 tw(QEPSL) Pulse duration, QEP_S low 3 + 2P (1) ns (1) P = sysclk period in ns. AM6548, AM6528, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 www.ti.com 176 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: AM6548 AM6528 AM6526 |
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