CY7C65642

Document Number: 001-65659 Rev. *B

Page 2 of 21

Contents

Introduction ....................................................................... 3

n USB Serial Interface Engine ..................................... 3

n HS USB Control Logic .............................................. 3

n Hub Repeater ........................................................... 3

n MCU ......................................................................... 3

n Transaction Translator ............................................. 3

n Port Control .............................................................. 3

n Applications ................................................................... 3

n Functional Overview ..................................................... 4

n System Initialization .................................................. 4

n Upstream Port .......................................................... 4

n Downstream Ports .................................................... 4

n Power Switching ....................................................... 4

Figure 2. Pin Description for 48-Pin TQFP Package ..... 8

1. Pin Description for 28-Pin QFN Package ................. 10

Table 2. EEPROM Configuration Options .................... 12

Table 2. Pin Configuration Options .............................. 13

Table 2. Power ON Reset ......................................... 13

Table 2. Gang/Individual Power Switching Mode ...... 13

Table 2. Power Switch Enable Pin Polarity ............... 13

Table 2. Port Number Configuration .......................... 13

Table 2. Non Removable Ports Configuration ........... 13

Table 2. Reference Clock Configuration ................... 13

Table 2. Electrical Characteristics ................................ 14

Table 2. Absolute Maximum Ratings ......................... 14

Table 2. Operating Conditions ................................... 14

Table 2. .................................................................... 14

Table 2. DC Electrical Characteristics ....................... 14

Table 2. AC Electrical Characteristics ....................... 15

Table 4. Ordering Information ....................................... 16

Table 4. Ordering Code Definition ............................. 16

Table 4. Package Diagram ............................................. 17

Figure 4. Acronyms ........................................................ 19

Table 5. Document Conventions ................................... 19

Table 5. Units of Measure ......................................... 19

Table 6. Document History Page ................................... 20

Table 6. Sales, Solutions, and Legal Information ........ 21

Table 6. Worldwide Sales and Design Support ......... 21

Table 6. Products ...................................................... 21

Table 6. PSoC Solutions ........................................... 21