TUSB8020A, TUSB8040A

SLLSEA7B – MAY 2012 – REVISED AUGUST 2012

www.ti.com

List of Tables

2-1

Signal Descriptions

............................................................................................................... 13

2-2

Clock and Reset Signals

........................................................................................................ 13

2-3

USB Upstream Signals

.......................................................................................................... 13

2-4

USB Downstream Signals

....................................................................................................... 14

2-5

I

.............................................................................................................. 17

2-6

Test and Miscellaneous Signals

................................................................................................ 18

2-7

Power Signals

.................................................................................................................... 20

3-1

TUSB8040A Register Map

...................................................................................................... 21

3-2

Register Offset 0h

................................................................................................................ 22

3-3

Bit Descriptions – ROM Signature Register

.................................................................................. 22

3-4

Register Offset 1h

................................................................................................................ 22

3-5

Bit Descriptions – Vendor ID LSB Register

................................................................................... 22

3-6

Register Offset 2h

................................................................................................................ 23

3-7

Bit Descriptions – Vendor ID MSB Register

.................................................................................. 23

3-8

Register Offset 3h

................................................................................................................ 23

3-9

Bit Descriptions – Vendor ID LSB Register

................................................................................... 23

3-10

Register Offset 4h

................................................................................................................ 23

3-11

Bit Descriptions – Vendor ID MSB Register

.................................................................................. 23

3-12

Register Offset 5h

................................................................................................................ 24

3-13

Bit Descriptions – Device Configuration Register

............................................................................ 24

3-14

Register Offset 6h

................................................................................................................ 25

3-15

Bit Descriptions – Battery Charging Support Register

...................................................................... 25

3-16

Register Offset 7h

................................................................................................................ 26

3-17

Bit Descriptions – Device Removable Configuration Register

............................................................. 26

3-18

Register Offset 8h

................................................................................................................ 26

3-19

Bit Descriptions – Port Used Configuration Register

........................................................................ 26

3-20

Register Offset 20h

.............................................................................................................. 27

3-21

Bit Descriptions – Language ID LSB Register

................................................................................ 27

3-22

Register Offset 21h

.............................................................................................................. 27

3-23

Bit Descriptions – Language ID MSB Register

............................................................................... 27

3-24

Register Offset 22h

.............................................................................................................. 27

3-25

Bit Descriptions – Serial Number String Length Register

................................................................... 27

3-26

Register Offset 23h

.............................................................................................................. 27

3-27

Bit Descriptions – Manufacturer String Length Register

.................................................................... 28

3-28

Register Offset 24h

.............................................................................................................. 28

3-29

Bit Descriptions – Product String Length Register

........................................................................... 28

3-30

Register Offset 30h-4Fh

......................................................................................................... 28

3-31

Bit Descriptions – Serial Number Registers

.................................................................................. 28

3-32

Register Offset 50h-8Fh

......................................................................................................... 29

3-33

Bit Descriptions – Manufacturer String Registers

............................................................................ 29

3-34

Register Offset 90h-CFh

........................................................................................................ 29

3-35

Bit Descriptions – Product String Registers

................................................................................... 29

3-36

Register Offset F8h

.............................................................................................................. 29

3-37

Bit Descriptions – Device Status and Command Register

.................................................................. 29

4

List of Tables

Copyright © 2012, Texas Instruments Incorporated