8

x931AA, 8x931HA USB PERIPHERAL CONTROLLER

iv

Figures

1.

8x931 Functional Block Diagram..........................................................................................2

2.

8x931HA USB Module Block Diagram .................................................................................3

3.

Product Nomenclature .........................................................................................................4

4.

8x931HA 68-pin PLCC Package ..........................................................................................6

5.

8x931AA 68-pin PLCC Package ..........................................................................................7

6.

8x931AA/HA External Program Memory Read ..................................................................19

7.

8x931AA/HA External Data Memory Read ........................................................................20

8.

8x931AA/HA External Data Memory Write.........................................................................20

9.

Serial Port Waveform — Synchronous Mode 0..................................................................21

10.

External Clock Drive Waveforms........................................................................................22

11.

AC Testing Input, Output Waveforms.................................................................................23

12.

Float Waveforms ................................................................................................................23

Tables

1.

Related Documentation........................................................................................................1

2.

Electronic Information ..........................................................................................................1

3.

Description of Product Nomenclature...................................................................................4

5.

8x931AA Proliferation Options .............................................................................................5

4.

8x931HA Proliferation Options .............................................................................................5

6.

68-pin PLCC Pin Assignment...............................................................................................8

7.

68-pin PLCC Signal Assignments Arranged by Functional Category ..................................9

8.

Signal Description ..............................................................................................................10

9.

8x931AA/8x931HA Supply Voltages ..................................................................................13

10.

8x931HA Operating Frequency..........................................................................................14

11.

8x931AA Operating Frequencies .......................................................................................14

12.

DC Characteristics at Operating Conditions.......................................................................15

13.

AC Timing Symbol Definitions...........................................................................................17

14.

External Bus Characteristics ..............................................................................................18

15.

Serial Port Timing — Synchronous Mode 0 .......................................................................21

16.

External Clock Drive...........................................................................................................22

17.

Thermal Characteristics ..................................................................................................... 24

18.

Vcc and Typical ECAP Voltages ........................................................................................25