Connected Launchpad MSP430G2 to DRV8837EVM to test PWM. Current running through IN1 and IN2 when power is applied via USB or 3V to J1. Reproduce: Connect DRV8837EVM IN1 and GND to Launchpad MSP430G2 P1.0 and GND respectively and P1.0 LED on MSP430 lights up. How do I prevent this from happening?