ZHCSDZ0C July 2015 – July 2024 TUSB4020BI-Q1
PRODUCTION DATA
The TUSB4020BI-Q1 allows device configuration through OTP non-volatile memory (OTP). The programming of the OTP is supported using vendor-defined USB device requests. For details using the OTP features, contact a TI representative.
Table 6-2 provides a list features which can be configured using the OTP. The bit field section in Table 6-2 shows which features can be controlled by OTP ROM. The bits not listed in the table are not accessible by the OTP ROM.
| CONFIGURATION REGISTER OFFSET | BIT FIELD | DESCRIPTION |
|---|---|---|
| REG_01h | [7:0] | Vendor ID LSB |
| REG_02h | [7:0] | Vendor ID MSB |
| REG_03h | [7:0] | Product ID LSB |
| REG_04h | [7:0] | Product ID MSB |
| REG_07h | [0] | Port removable configuration for downstream ports 1. OTP configuration is inverse of rmbl[1:0], that is: 1 = Not removable 0 = Removable |
| REG_07h | [1] | Port removable configuration for downstream ports 2. OTP configuration is inverse of rmbl[1:0], that is: 1 = Not removable 0 = Removable |
| REG_0Ah | [1] | Automode enable |
| REG_0Ah | [4] | High-current divider mode enable. |
| REG_F2h | [3:1] | USB power switch power-on delay. |