Datasheet
TUSB8040A
SLLSEA7F –MAY 2012–REVISED SEPTEMBER 2013
www.ti.com
List of Tables
2-1 Signal Descriptions ................................................................................................................ 9
2-2 Clock and Reset Signals.......................................................................................................... 9
2-3 USB Upstream Signals............................................................................................................ 9
2-4 USB Downstream Signals....................................................................................................... 10
2-5 I
2
C/SMBUS Signals .............................................................................................................. 13
2-6 Test and Miscellaneous Signals................................................................................................ 14
2-7 Power Signals .................................................................................................................... 16
3-1 TUSB8040A Register Map...................................................................................................... 17
3-2 Register Offset 0h ................................................................................................................ 18
3-3 Bit Descriptions – ROM Signature Register .................................................................................. 18
3-4 Register Offset 1h ................................................................................................................ 18
3-5 Bit Descriptions – Vendor ID LSB Register................................................................................... 18
3-6 Register Offset 2h ................................................................................................................ 19
3-7 Bit Descriptions – Vendor ID MSB Register .................................................................................. 19
3-8 Register Offset 3h ................................................................................................................ 19
3-9 Bit Descriptions – Vendor ID LSB Register................................................................................... 19
3-10 Register Offset 4h ................................................................................................................ 19
3-11 Bit Descriptions – Vendor ID MSB Register .................................................................................. 19
3-12 Register Offset 5h ................................................................................................................ 20
3-13 Bit Descriptions – Device Configuration Register ............................................................................ 20
3-14 Register Offset 6h ................................................................................................................ 21
3-15 Bit Descriptions – Battery Charging Support Register ...................................................................... 21
3-16 Register Offset 7h ................................................................................................................ 21
3-17 Bit Descriptions – Device Removable Configuration Register ............................................................. 21
3-18 Register Offset 8h ................................................................................................................ 22
3-19 Bit Descriptions – Port Used Configuration Register ........................................................................ 22
3-20 Register Offset 20h .............................................................................................................. 22
3-21 Bit Descriptions – Language ID LSB Register................................................................................ 22
3-22 Register Offset 21h .............................................................................................................. 22
3-23 Bit Descriptions – Language ID MSB Register............................................................................... 22
3-24 Register Offset 22h .............................................................................................................. 23
3-25 Bit Descriptions – Serial Number String Length Register................................................................... 23
3-26 Register Offset 23h .............................................................................................................. 23
3-27 Bit Descriptions – Manufacturer String Length Register .................................................................... 23
3-28 Register Offset 24h .............................................................................................................. 23
3-29 Bit Descriptions – Product String Length Register........................................................................... 23
3-30 Register Offset 30h-4Fh......................................................................................................... 24
3-31 Bit Descriptions – Serial Number Registers .................................................................................. 24
3-32 Register Offset 50h-8Fh......................................................................................................... 24
3-33 Bit Descriptions – Manufacturer String Registers ............................................................................ 24
3-34 Register Offset 90h-CFh ........................................................................................................ 24
3-35 Bit Descriptions – Product String Registers................................................................................... 24
3-36 Register Offset F8h .............................................................................................................. 25
3-37 Bit Descriptions – Device Status and Command Register.................................................................. 25
4 List of Tables Copyright © 2012–2013, Texas Instruments Incorporated