Yes, but it appears from http://www.freescale.com/webapp/sps/site/taxonomy.jsp?code=K20_USB_MCU&cof=0&am=0#staticFile http://www.freescale.com/webapp/sps/site/t

Yes, but it appears from http://www.freescale.com/webapp/sps/site/taxonomy.jsp?code=K20_USB_MCU&cof=0&am=0#staticFile http://www.freescale.com/webapp/sps/site/taxonomy.jsp?code=K... that the MK20DX chip used on the Teensy 3.0 doesn't have the FPU and only clocks to 48 MHz. (3.1 clocks to 72 Mhz). A bunch of us have been having a blast for the least two years with the STM32F4 which contains the FPU and clocks to 168 MHz. See http://reddit.com/r/stm32f4 http://reddit.com/r/stm32f4 Nevertheless, this web user interface by PJRC is quite spiffy. I can see synthesizer design moving ever-so-slowly in this direction.