Datasheet
Not Recommended for New Designs
TUSB8040
SLLSE42I –SEPTEMBER 2010–REVISED SEPTEMBER 2013
www.ti.com
List of Tables
2-1 Clock and Reset Signals.......................................................................................................... 9
2-2 USB Upstream Signals............................................................................................................ 9
2-3 USB Downstream Signals....................................................................................................... 10
2-4 I
2
C/SMBUS Signals .............................................................................................................. 11
2-5 Test and Miscellaneous Signals................................................................................................ 11
2-6 Power Signals .................................................................................................................... 12
3-1 TUSB8040 Register Map........................................................................................................ 13
3-2 Register Offset 0h ................................................................................................................ 14
3-3 Bit Descriptions – ROM Signature Register .................................................................................. 14
3-4 Register Offset 1h ................................................................................................................ 14
3-5 Bit Descriptions – Vendor ID LSB Register .................................................................................. 14
3-6 Register Offset 2h ................................................................................................................ 14
3-7 Bit Descriptions – Vendor ID MSB Register ................................................................................. 14
3-8 Register Offset 3h ................................................................................................................ 15
3-9 Bit Descriptions – Product ID MSB Register ................................................................................. 15
3-10 Register Offset 4h ................................................................................................................ 15
3-11 Bit Descriptions – Product ID MSB Register ................................................................................. 15
3-12 Register Offset 5h ................................................................................................................ 15
3-13 Bit Descriptions – Device Configuration Register ........................................................................... 15
3-14 Register Offset 6h ................................................................................................................ 16
3-15 Bit Descriptions – Battery Charging Support Register ...................................................................... 16
3-16 Register Offset 7h ................................................................................................................ 17
3-17 Bit Descriptions – Device Removable Configuration Register ............................................................. 17
3-18 Register Offset 8h ................................................................................................................ 17
3-19 Bit Descriptions – Port Used Configuration Register ....................................................................... 17
3-20 Register Offset 20h .............................................................................................................. 18
3-21 Bit Descriptions – Language ID LSB Register ............................................................................... 18
3-22 Register Offset 21h .............................................................................................................. 18
3-23 Bit Descriptions – Language ID LSB Register ............................................................................... 18
3-24 Register Offset 22h .............................................................................................................. 18
3-25 Bit Descriptions – Serial Number String Length Register .................................................................. 18
3-26 Register Offset 23h .............................................................................................................. 19
3-27 Bit Descriptions – Manufacturer String Length Register ................................................................... 19
3-28 Register Offset 24h .............................................................................................................. 19
3-29 Bit Descriptions – Product String Length Register .......................................................................... 19
3-30 Register Offset 30h-4Fh......................................................................................................... 19
3-31 Bit Descriptions – Serial Number Byte N Register .......................................................................... 19
3-32 Register Offset 50h-8Fh......................................................................................................... 20
3-33 Bit Descriptions – Manufacturer String Register ............................................................................ 20
3-34 Register Offset 90h-CFh ........................................................................................................ 20
3-35 Bit Descriptions – Product String Register ................................................................................... 20
3-36 Register Offset F8h .............................................................................................................. 20
3-37 Bit Descriptions – Device Status and Command Register ................................................................. 20
4 List of Tables Copyright © 2010–2013, Texas Instruments Incorporated