I'm surprised, given the number of embedded applications involving motor control or data capture, that almost no micros out there...

I'm surprised, given the number of embedded applications involving motor control or data capture, that almost no micros out there support quadrature input. On our products, we use Xilinx FPGA's that provide 8 sets of quadrature input and handle all the accumulation, etc. Howev

I am having trouble integrating an encoder into my code for a MC9S12D64. I am using ICC12 and am using a combination of C and assembly. I have...

I am having trouble integrating an encoder into my code for a MC9S12D64. I am using ICC12 and am using a combination of C and assembly. I have tried using a timer interrupt with a table lookup and have got less than adequate results. Ie < 20 Hz I am looking to get a quadrature encoder input of approx 2Khz. My question is will a HCTL 2020 or equivalent using a PWM output (8Mhz CPU CLK) fro

Hi, Im doing a dc motor PID controller. Im using Nanocore12DX. I have an enocoder. It is a quadrature encoder. I have generated PWM signal...

Hi, Im doing a dc motor PID controller. Im using Nanocore12DX. I have an enocoder. It is a quadrature encoder. I have generated PWM signal from HC12 to drive the motor. The question I wanted to ask is how do i implement the PID controller in Codewarrior? Regards, Chai ------------------------------------

Hi, You can implement a simple "no missing states" QD using a 74XX74 D-type latch. Feed sya a into D and input B into CLK and...

Hi, You can implement a simple "no missing states" QD using a 74XX74 D-type latch. Feed sya a into D and input B into CLK and also to a interrupt pin on your micro. Feed Q into a input pin on your micro. Connect PRE and CLR on the 74XX74 to Vcc. This way