CY7C68300C, CY7C68301C
CY7C68320C, CY7C68321C
Document Number: 001-05809 Rev. *K Page 3 of 44
Contents
Introduction .......................................................................4
CY7C68300A Compatibility ..............................................4
Pin Diagrams .....................................................................5
Pin Descriptions ...............................................................9
Additional Pin Descriptions ........................................13
HID Functions for Button Controls ...............................15
Functional Overview ......................................................16
USB Signaling Speed ................................................16
ATA Interface ............................................................16
Operating Modes ............................................................19
Operational Mode Selection Flow .............................19
Fused Memory Data ..................................................20
Normal Mass Storage Mode 2......................................0
Board Manufacturing Test ...............................Mode 20
EEPROM Organization .............................................22
Programming the EEPROM ......................................35
Absolute Maximum Ratings ..........................................36
Operating Conditions .....................................................36
DC Characteristics .........................................................36
AC Electrical Characteristics ........................................37
ATA Timing Characteristics .......................................37
USB Transceiver Characteristics ..............................37
Ordering Information ......................................................37
Ordering Code Definitions .........................................37
Package Diagrams ..........................................................38
General PCB Layout Recommendations for USB
Mass Storage Designs ...................................................40
Quad Flat Package No Leads (QFN) Package
Design Notes ................................................................... 40
Other Design Considerations ........................................41
Proper Power Up Sequence ...................................... 41
IDE Removable Media Devices ................................. 41
Devices With Small Buffers ....................................... 41
Acronyms ........................................................................42
Document Conventions .................................................42
Units of Measure .......................................................42
Document History Page .................................................43
Sales, Solutions, and Legal Information ......................44
Worldwide Sales and Design Support ....................... 44
Products .................................................................... 44
PSoC Solutions .........................................................44
(15 pagine)
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