JAJSGX4 February 2019 TUSB8044A
ADVANCE INFORMATION for pre-production products; subject to change without notice.
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 |