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XC2230L Datasheet(PDF) 42 Page - Infineon Technologies AG |
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XC2230L Datasheet(HTML) 42 Page - Infineon Technologies AG |
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42 / 112 page  XC2230L, XC2234L XC2000 Family / Econo Line Functional Description Data Sheet 38 V1.3, 2015-02 3.8 Capture/Compare Units CCU6x The XC223[04]L types feature the CCU60 and CCU63 units. CCU6 is a high-resolution capture and compare unit with application-specific modes. It provides inputs to start the timers synchronously, an important feature in devices with several CCU6 modules. The module provides two independent timers (T12, T13), that can be used for PWM generation, especially for AC motor control. Additionally, special control modes for block commutation and multi-phase machines are supported. Timer 12 Features • Three capture/compare channels, where each channel can be used either as a capture or as a compare channel. • Supports generation of a three-phase PWM (six outputs, individual signals for high- side and low-side switches) • 16-bit resolution, maximum count frequency = peripheral clock • Dead-time control for each channel to avoid short circuits in the power stage • Concurrent update of the required T12/13 registers • Center-aligned and edge-aligned PWM can be generated • Single-shot mode supported • Many interrupt request sources • Hysteresis-like control mode • Automatic start on a HW event (T12HR, for synchronization purposes) Timer 13 Features • One independent compare channel with one output • 16-bit resolution, maximum count frequency = peripheral clock • Can be synchronized to T12 • Interrupt generation at period match and compare match • Single-shot mode supported • Automatic start on a HW event (T13HR, for synchronization purposes) Additional Features • Block commutation for brushless DC drives implemented • Position detection via Hall sensor pattern • Automatic rotational speed measurement for block commutation • Integrated error handling • Fast emergency stop without CPU load via external signal (CTRAP) • Control modes for multi-channel AC drives • Output levels can be selected and adapted to the power stage |
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