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XAM2434...ALX 数据表(PDF) 160 Page - Texas Instruments |
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XAM2434...ALX 数据表(HTML) 160 Page - Texas Instruments |
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160 / 280 page  7.10.5.5 EQEP Table 7-41, Table 7-42, Figure 7-35, and Table 7-43 present timing conditions, requirements, and switching characteristics for EQEP. Table 7-41. 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 Table 7-42. EQEP Timing Requirements see Figure 7-35 NO. PARAMETER DESCRIPTION MIN MAX UNIT QEP1 tw(QEP) Pulse duration, QEP_A/B 2 + 2P (1) ns QEP2 tw(QEPIH) Pulse duration, QEP_I high 2 + 2P (1) ns QEP3 tw(QEPIL) Pulse duration, QEP_I low 2 + 2P (1) ns QEP4 tw(QEPSH) Pulse duration, QEP_S high 2 + 2P (1) ns QEP5 tw(QEPSL) Pulse duration, QEP_S low 2 + 2P (1) ns (1) P = sysclk period in ns QEP_S QEP4 EPERIPHERALS_TIMNG_03 QEP_I QEP2 QEP_A/B QEP1 QEP3 QEP5 Figure 7-35. EQEP Timing Requirements Table 7-43. EQEP Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT QEP6 td(QEP-CNTR) Delay time, external clock to counter increment 24 ns For more information, see Enhanced Quadrature Encoder Pulse (EQEP) Module section in Peripherals chapter in the device TRM. AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 www.ti.com 160 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM2434 AM2432 AM2431 |
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