<p>3</p><p>Eventually I wrote the “thirteen cases” into https: // usb . org /sites/default/files/usbmassbulk_10.pdf</p><p>"""</p><p>6.7 The Thirteen Cases</p><p>This section describes the thirteen possible cases of host expectations and device intent in the absence of overriding error conditions</p><p>Table 6.1 – Host/Device Data Transfer Matrix graphically displays these thirteen cases</p><p>Important notes about the thirteen cases.</p><p>• Cases (1), (6) and (12) represent the majority of host and device transactions. They indicate those conditions where the host and device agree as to the direction and amount of data to be transferred. These cases are also referred to as “the thin diagonal”</p><p>"""</p><p>=></p>
