SPRUJ55D September 2023 – July 2025 AM263P2 , AM263P2-Q1 , AM263P4 , AM263P4-Q1
Only the registers listed in Table 13-90 are used for the CIR function.
| Address Offset | Registers (1)(2) | |||||
|---|---|---|---|---|---|---|
| Configuration Mode A | Configuration Mode B | Operational Mode | ||||
| Read | Write | Read | Write | Read | Write | |
| 0x000 | UART_DLL | UART_DLL | UART_DLL | UART_DLL | – | UART_THR |
| 0x004 | UART_DLH | UART_DLH | UART_DLH | UART_DLH | UART_IER_UART (CIR) | UART_IER_UART (CIR) |
| 0x008 | UART_IIR_UART | UART_FCR | UART_EFR | UART_EFR | UART_IIR_UART (CIR) | UART_FCR (CIR) |
| 0x00C | UART_LCR | UART_LCR [7] | UART_LCR [7] | UART_LCR [7] | UART_LCR [7] | UART_LCR [7] |
| 0x010 | – | – | – | – | – | – |
| 0x014 | UART_LSR_UART (CIR) | – | – | – | UART_LSR_UART (CIR) | – |
| 0x018 | UART_MSR/UART_TCR | UART_TCR | UART_TCR | UART_TCR | UART_MSR/UART_TCR | UART_TCR |
| 0x01C | UART_TLR/UART_SPR | UART_TLR/UART_SPR | UART_TLR | UART_TLR | UART_TLR/UART_SPR | UART_TLR/UART_SPR |
| 0x020 | UART_MDR1 [3-0] | UART_MDR1 [3-0] | UART_MDR1 [3-0] | UART_MDR1 [3-0] | UART_MDR1 [3-0] | UART_MDR1 [3-0] |
| 0x024 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 |
| 0x028 | – | – | – | – | – | – |
| 0x02C | UART_RESUME | – | UART_RESUME | – | UART_RESUME | – |
| 0x030 | – | – | – | – | – | – |
| 0x034 | – | – | – | – | – | – |
| 0x038 | – | – | – | – | – | – |
| 0x03C | – | – | – | – | UART_ACREG | UART_ACREG |
| 0x040 | UART_SCR | UART_SCR | UART_SCR | UART_SCR | UART_SCR | UART_SCR |
| 0x044 | UART_SSR | – | UART_SSR | – | UART_SSR | – |
| 0x048 | – | – | – | – | UART_EBLR | UART_EBLR |
| 0x050 | UART_MVR | – | UART_MVR | – | UART_MVR | – |
| 0x054 | UART_SYSC | UART_SYSC | UART_SYSC | UART_SYSC | UART_SYSC | UART_SYSC |
| 0x058 | UART_SYSS | – | UART_SYSS | – | UART_SYSS | – |
| 0x05C | UART_WER [6-4] | UART_WER [6-4] | UART_WER [6-4] | UART_WER [6-4] | UART_WER [6-4] | UART_WER [6-4] |
| 0x060 | UART_CFPS | UART_CFPS | UART_CFPS | UART_CFPS | UART_CFPS | UART_CFPS |
| 0x064 | UART_RXFIFO_LVL | UART_RXFIFO_LVL | UART_RXFIFO_LVL | UART_RXFIFO_LVL | UART_RXFIFO_LVL | UART_RXFIFO_LVL |
| 0x068 | UART_TXFIFO_LVL | UART_TXFIFO_LVL | UART_TXFIFO_LVL | UART_TXFIFO_LVL | UART_TXFIFO_LVL | UART_TXFIFO_LVL |
| 0x06C | UART_IER2 | UART_IER2 | UART_IER2 | UART_IER2 | UART_IER2 | UART_IER2 |
| 0x070 | UART_ISR2 | UART_ISR2 | UART_ISR2 | UART_ISR2 | UART_ISR2 | UART_ISR2 |
| 0x074 | UART_FREQ_SEL | UART_FREQ_SEL | UART_FREQ_SEL | UART_FREQ_SEL | UART_FREQ_SEL | UART_FREQ_SEL |
| 0x080 | UART_MDR3 | UART_MDR3 | UART_MDR3 | UART_MDR3 | UART_MDR3 | UART_MDR3 |
| 0x084 | UART_TX_DMA_THRESHOLD | UART_TX_DMA_THRESHOLD | UART_TX_DMA_THRESHOLD | UART_TX_DMA_THRESHOLD | UART_TX_DMA_THRESHOLD | UART_TX_DMA_THRESHOLD |