ZHCSJD2A February 2019 – March 2019 TUSB8044A
PRODUCTION DATA.
The internal configuration registers are accessed on byte boundaries. The configuration register values are loaded with defaults but can be over-written when the TUSB8044A is in I2C or SMBus mode. Refer to Table 6 for registers configurable from OTP.
| BYTE ADDRESS | CONTENTS | EEPROM CONFIGURABLE |
|---|---|---|
| 00h | ROM Signature Register | Yes |
| 01h | Vendor ID LSB | Yes |
| 02h | Vendor ID MSB | Yes |
| 03h | Product ID LSB | Yes |
| 04h | Product ID MSB | Yes |
| 05h | Device Configuration Register | Yes |
| 06h | Battery Charging Support Register | Yes |
| 07h | Device Removable Configuration Register | Yes |
| 08h | Port Used Configuration Register | Yes |
| 09h | Reserved. Must default to 00h. | Yes |
| 0Ah | Device Configuration Register 2 | Yes |
| 0Bh | USB 2.0 Port Polarity Control Register | Yes |
| 0Ch - 0Fh | Billboard AlternateModeVdo | Yes |
| 10h-1Fh | UUID Byte [15:0] | No |
| 20h-21h | LangID Byte [1:0] | Yes |
| 22h | Serial Number Length | Yes |
| 23h | Manufacturer String Length | Yes |
| 24h | Product String Length | Yes |
| 25h | Device Configuration Register 3 | Yes |
| 26h | USB 2.0 Only Port Register | Yes |
| 27h | Billboard SVID LSB | Yes |
| 28h | Billboard SVID MSB | Yes |
| 29h | Billboard PID LSB | Yes |
| 2Ah | Billboard PID MSB | Yes |
| 2Bh | Billboard Configuration | Yes |
| 2Ch | Billboard String1Len | Yes |
| 2Dh | Billboard String2Len | Yes |
| 2Eh | Reserved | No |
| 2Fh | Reserved | No |
| 30h-4Fh | Serial Number String Byte [31:0] | Yes |
| 50h-8Fh | Manufacturer String Byte [63:0] | Yes |
| 90h-CFh | Product String Byte [63:0] | Yes |
| D0h-D4h | Reserved | Yes, but do not change default. |
| D5h-D7h | Reserved | No |
| D8h-DCh | Reserved | Yes, but do not change default. |
| DDh-EFh | Reserved | No |
| F0h | Additional Features Configuration Register | Yes |
| F1h-F7h | Reserved | No |
| F8h | SMBus Device Status and Command Register | No |
| F9h - FFh | Reserved | No |
| 100h - 2DFh | USB Billboard Strings 1 and 2 | Yes |