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AM6442...ALV 数据表(PDF) 138 Page - Texas Instruments |
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AM6442...ALV 数据表(HTML) 138 Page - Texas Instruments |
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138 / 244 page  7.10.5.4 EPWM Table 7-38, Table 7-39, Figure 7-31, Table 7-40, Figure 7-32, Figure 7-33, and Figure 7-34 present timing conditions, requirements, and switching characteristics for EPWM. Table 7-38. EPWM 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 7-39. EPWM Timing Requirements see Figure 7-31 NO. PARAMETER DESCRIPTION MIN MAX UNIT PWM6 tw(SYNCIN) Pulse duration, EHRPWM_SYNCI 2 + 2P(1) ns PWM7 tw(TZ) Pulse duration, EHRPWM_TZn_IN low 2 + 3P(1) ns (1) P = sysclk period in ns. EHRPWM_TZn_IN PWM7 EPERIPHERALS_TIMNG_07 EHRPWM_SYNCI PWM6 Figure 7-31. EPWM Timing Requirements Table 7-40. EPWM Switching Characteristics see Figure 7-32, Figure 7-33, and Figure 7-34 NO. PARAMETER DESCRIPTION MIN MAX UNIT PWM1 tw(PWM) Pulse duration, EHRPWM_A/B high/low P - 3(1) ns PWM2 tw(SYNCOUT) Pulse duration, EHRPWM_SYNCO P - 3(1) ns PWM3 td(TZ-PWM) Delay time, EHRPWM_TZn_IN active to EHRPWM_A/B forced high/low 11 ns PWM4 td(TZ-PWMZ) Delay time, EHRPWM_TZn_IN active to EHRPWM_A/B Hi-Z 11 ns PWM5 tw(SOC) Pulse duration, EHRPWM_SOCA/B output P - 3(1) ns (1) P = sysclk period in ns. AM6442, AM6441, AM6421, AM6412, AM6411 SPRSP56D – JANUARY 2021 – REVISED JULY 2022 www.ti.com 138 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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