iii

CONTENTS

1.0

Nomenclature Overview ...................................................................................................... 3

2.0

Pinout .................................................................................................................................. 4

3.0

Signals ................................................................................................................................ 7

4.0

Address Map ..................................................................................................................... 10

5.0

Electrical Characteristics ................................................................................................... 11

5.1

Operating Frequencies ................................................................................................. 12

5.2

DC Characteristics........................................................................................................ 13

5.3

Definition of AC Symbols.............................................................................................. 15

5.4

AC Characteristics........................................................................................................ 16

5.4.1

System Bus AC Characteristics ............................................................................ 16

5.4.2

System Bus Timing Diagrams, Nonpage Mode .................................................... 18

5.4.3

System Bus Timing Diagrams, Page Mode ........................................................... 20

5.4.4

Definition of Real-time Wait Symbols .................................................................... 22

5.4.5

Real-time Wait Function AC Characteristics ......................................................... 22

5.4.6

Real-Time Wait Function Timing Diagrams ........................................................... 23

5.5

AC Characteristics — Serial Port, Synchronous Mode 0 ............................................. 27

5.6

External Clock Drive ..................................................................................................... 28

5.7

Testing Waveforms ...................................................................................................... 29

6.0

Thermal Characteristics .................................................................................................... 30

7.0

Product Reference ............................................................................................................ 30

7.1

External Bus Timing and Peripheral Timing Affected by PLLSEL2:0 Selection ........... 30

7.2

Low Clock Mode Frequency ......................................................................................... 30

7.3

Setting FFRC Bit Clears Only the Oldest Packet in the FIFO ...................................... 30

7.4

Series Resistor Requirement for Impedance Matching ................................................ 30

7.5

Pullup Requirement for Full Speed Device and Low Speed Device............................. 30

7.6

Powerdown Mode Cannot Be Invoked Before USB Suspend ...................................... 30

8.0

Specification Supplement for 8

x930Ax3 and 8x930Ax4.................................................... 31

8.1

Six Endpoint Pairs Functionality ................................................................................... 31

8.2

DC Characteristics........................................................................................................ 31

8.3

Extended Data Float (EDF) AC Timing Feature ........................................................... 31

9.0

Device Errata .................................................................................................................... 34

10.0 Datasheet Revision History ............................................................................................... 34