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CY7C68013
PRELIMINARY
2
TABLE OF CONTENTS
1.0 EZ-USB FX2 FEATURES ................................................................................................................5
2.0 APPLICATIONS ...............................................................................................................................6
3.0 FUNCTIONAL OVERVIEW ..............................................................................................................6
3.1 USB Signaling Speed .....................................................................................................................6
3.2 8051 Microprocessor ......................................................................................................................6
3.2.1 8051 Clock Frequency ...........................................................................................................................6
3.2.2 UARTs .....................................................................................................................................................7
3.2.3 Special Function Registers (SFR) ........................................................................................................7
3.3 I
2
C Compatible Bus ........................................................................................................................7
3.4 Buses ...............................................................................................................................................7
3.5 USB Boot Methods .........................................................................................................................8
3.6 Interrupt System .............................................................................................................................8
3.6.1 INT2 Interrupt Request & Enable Registers ........................................................................................8
3.7 Reset and Wakeup ..........................................................................................................................8
3.7.1 Reset Pin ................................................................................................................................................8
3.7.2 Wake Up Pins .........................................................................................................................................8
3.8 Program/Data RAM .........................................................................................................................9
3.8.1 Size .........................................................................................................................................................9
3.8.2 Internal Code Memory, EA=0 ................................................................................................................9
3.8.3 External Code Memory, EA=1 .............................................................................................................10
3.9 Register Addresses ......................................................................................................................11
3.10 Endpoint RAM .............................................................................................................................11
3.10.1 Size .....................................................................................................................................................11
3.10.2 Organization .......................................................................................................................................11
3.10.3 Setup Data Buffer ..............................................................................................................................11
3.10.4 Endpoint Configurations ................................................................................. (High speed mode) 12
3.10.5 Default Full-Speed Alternate Settings .............................................................................................12
3.10.6 Default High-Speed Alternate Settings ............................................................................................13
3.11 External FIFO interface ..............................................................................................................13
3.11.1 Architecture .......................................................................................................................................13
3.11.2 Master/Slave Control Signals ...........................................................................................................13
3.11.3 GPIF and FIFO clock rates ................................................................................................................13
3.12 GPIF .............................................................................................................................................14
3.12.1 Six Control OUT Signals ...................................................................................................................14
3.12.2 Six Ready IN Signals .........................................................................................................................14
3.12.3 Nine GPIF Address OUT signals ......................................................................................................14
3.12.4 Long Transfer Mode ..........................................................................................................................14
3.13 USB Uploads and Downloads ...................................................................................................14
3.14 Autopointer Access ....................................................................................................................14
3.15 I
2
C Compatible Controller ..........................................................................................................14
3.15.1 I
2
C Compatible Port Pins ..................................................................................................................14
3.15.2 I
2
C Compatible Interface Boot Load Access ..................................................................................15
3.15.3 I
2
C Compatible Interface General Purpose Access .......................................................................15
4.0 PIN ASSIGNMENTS ......................................................................................................................15
4.1 CY7C68013 Pin Descriptions .......................................................................................................20
5.0 REGISTER SUMMARY ..................................................................................................................27
6.0 ABSOLUTE MAXIMUM RATINGS ................................................................................................31