SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
ROM Code always configures the UART port to 115200 kbaud, 8-n-1 mode, and the XMODEM protocol is used to transfer the boot data.
Table 5-7 summarizes the UART pin configuration done by ROM code for UART host on port 0.
| Function Name | GPIO # | Input Override | Input Override Control | Output Override | Output Override Control | Pinmux Sel | PI | PUPD Sel | SC1 | GPIO Sel | Qual Sel | Inp Inv Sel | HS Mode | HS Controller |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UART0_TXD | 28 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| UART0_RXD | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |