Tool/software:
Hi teams,
Regarding the bridge drive control of DRV8705S, there are two methods: SPI and hard wire;
If only SPI control is used, are there any special connection requirements for the four hard wired interfaces IN * and nHIZ *? (up, down, or suspended)
Hi Vayne,
If only SPI control is used, are there any special connection requirements for the four hard wired interfaces IN * and nHIZ *? (up, down, or suspended)
All these four pins have internal pulldown. It wouldn't hurt to tie them to GND or they can be left open if not used for control.
The S_HIZ1 and S_HIZ2 bits are logical OR with the corresponding nHIZx pins. So those pins must be in logic LOW (open or GND) while using SPI control.
Regards, Murugavel
