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DSPIC33FJ06GS202 bảng dữ liệu(PDF) 16 Page - Microchip Technology |
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DSPIC33FJ06GS202 bảng dữ liệu(HTML) 16 Page - Microchip Technology |
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16 / 20 page ![]() dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 DS80439M-page 16 2009-2013 Microchip Technology Inc. 44. Module: PWM If the PWM is configured for Complimentary mode and the SWAP bit is enabled, the PWM outputs might operate as Redundant mode when the PHASE value is greater than the programmed dead-time (DTRx) value. Work around Using true independent output mode with the independent Time Base mode bit (ITB) set to ‘0’, the PWM module can be configured to replicate the original complementary signal by properly setting up the phase (PHASEx, SPASEx) and the independent duty cycle (PDCx, SDCx). Affected Silicon Revisions 45. Module: PWM The PWM current-limit operation allows the PWM module to set/reset the output signals when a specific current limit is detected with a minimum latency delay. When operating the PWM module in Complementary mode (PMOD = 0), positive dead time, and with Current-Limit Interrupt Enable (CLIEN = 1), a less than 8-ns pulse glitch on the complementary output may be present right after the current limit is detected. This glitch, if present, will occur prior to the implementation of the dead time. Work around In order to avoid the <8 ns glitch to be propagated into the MOSFET gate driver, a low-pass filter (e.g., resistor-capacitor network) should be implemented between the dsPIC® DSC PWM output pin and the gate driver IC input pin. Affected Silicon Revisions A2 A3 A4 XX X A2 A3 A4 XX X |
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