FOR
FOR
enCoRe™
USB
CY7C63221/31A
15.0 USB REGULATOR OUTPUT ...................................................................................................... 27
16.0 PS/2 OPERATION ....................................................................................................................... 28
17.0 12-BIT FREE-RUNNING TIMER ................................................................................................. 28
18.0 PROCESSOR STATUS AND CONTROL REGISTER ............................................................... 29
19.0 INTERRUPTS .............................................................................................................................. 31
19.1 Interrupt Vectors .................................................................................................................... 31
19.2 Interrupt Latency .................................................................................................................... 32
19.3 Interrupt Sources ................................................................................................................... 32
20.0 USB MODE TABLES .................................................................................................................. 36
21.0 REGISTER SUMMARY ............................................................................................................... 41
22.0 ABSOLUTE MAXIMUM RATINGS ............................................................................................. 42
23.0 DC CHARACTERISTICS ............................................................................................................ 42
24.0 SWITCHING CHARACTERISTICS ............................................................................................. 44
25.0 ORDERING INFORMATION ....................................................................................................... 47
26.0 PACKAGE DIAGRAMS ............................................................................................................. 47
Document #: 38-08028 Rev. *B
Page 3 of 50
CYPRESS [ CYPRESS SEMICONDUCTOR ]
