1.2 Push-Pull Mode

In Push-Pull mode, the CWG outputs two alternating copies of the selected input as shown in Figure 1-2 below. The alternating signals create a push-pull effect, which is required for driving many transformer-based power supply applications.

The Push-Pull sequencer is reset whenever the CWG Enable (EN) bit of the CWGxCON0 register is clear (EN = 0), or if an Auto-Shutdown event occurs. The sequencer is clocked by the first input pulse, and the first output appears on CWGxA.

The unused outputs CWGxC and CWGxD are copies of outputs CWGxA and CWGxB, respectively. The polarity of each output is controlled by the individual CWG Output Polarity (POLx) bits of the CWGxCON1 register.