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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UCD3138ARMHT датащи(PDF) 62 Page - Texas Instruments |
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UCD3138ARMHT датащи(HTML) 62 Page - Texas Instruments |
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62 / 87 page  3 A – QB1 ( DPWM1 C) 3 B – QT1 ( DPWM 2 C) Controlled by DPWM1 Blanking register Blank B Begin Blank B End Period Start Period End Event 5 Event 6 Event 5 Event 6 Event 6 Controlled by DPWM2 Blanking register Blank B Begin Blank B End 62 UCD3138A SLUSC66C – MARCH 2015 – REVISED SEPTEMBER 2016 www.ti.com Submit Documentation Feedback Product Folder Links: UCD3138A Application and Implementation Copyright © 2015–2016, Texas Instruments Incorporated // Setup waveform for DPWM-C (re-using blanking B regs) Dpwm2Regs.DPWMBLKBBEG.all = PWM2_EV5 + (4 *16); Dpwm2Regs.DPWMBLKBEND.all = PWM2_EV6; Figure 8-10. Blank B Timing Information The statements for DPWM1 are the same. Remember that DPWMC reuses the Blank B registers for timing information. 8.3.4 Dynamic Signals to Bridge DPWM0 and 1 are set at normal mode. PCMC triggering signal (fault) chops DPWM0A and 1A cycle by cycle. The corresponding DPWM0B and 1B are used for synchronous rectifier MOSFET control. The same PCMC triggering signal is applied to DPWM2 and DPWM3. Both of these are set to normal mode as well. DPWM2 and 3 are chopped and their edges are used to generate the next two dynamic signals to the bridge. They are generated using the Edge Generator Module in DPWM2. The Edge Generator sources are DPWM2 and DPWM3. The edges used are: DPWM2A turned on by a rising edge on DPWM2BF DPWM2A turned off by a falling edge on DPWM3AF DPWM2B turned on by a rising edge on DPWM3BF DPWM2B turned off by a falling edge on DPWM2AF |
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