Posted on March 25, 2016 at 14:04I am working on an application where I need to use three L6472 ICs on the same board. I am wondering what external components can be shared between 2 or 3 L6472's. For example, can one cap elec 100uf 63V on the VS in...

Posted on September 18, 2014 at 21:39Dear Motor IC Forum: I am using an L6470 to drive a stepper motor attached to a gearbox and am not able to achieve step rates greater than roughly 700 steps/sec with any microstepping setting. The motor gets loud...

Posted on November 22, 2013 at 14:31We have used the virtual com port driver with an STM32F1 chip for 3 to 4 years without problems. Recently some Windows 7 desktop PCs are not communicating properly. The USB chip will be detected and the com port w...

Posted on August 06, 2013 at 15:30I am having trouble using the DMA transfer complete interrupt with the USB Virtual COM Port. The USB port stops functioning when the interrupt is called. The interrupt command is: DMA_ITConfig(DMA1_Stream7, DMA_IT_T...

Posted on July 09, 2013 at 06:23Does anyone know how to disable the JTAG interface on the STM32F4? I want to use the pins for SPI1. For previous STM32s the following was available:   GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE); This command ...