1 -------------------------------------------------------------------------------
3 -------------------------------------------------------------------------------
5 This is a set of example captures of the I²C traffic to/from the Atmel
6 ATtiny13 chip and the Cypress FX2 in the Braintechnology USB-LPS device.
9 http://www.atmel.com/images/doc2535.pdf
10 http://www.braintechnology.de/braintechnology/usb_lps.html
16 The logic analyzer used was a CWAV USBee SX (at 12MHz):
19 ------------------------
31 The data contains the power-up sequence when the USB cable is attached.