SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Table 12-751 lists the names of the register bits in each access register mode. Gray shading indicates that the register does not depend on the register access mode (available in all modes).
Address Offset | Registers | |||||
---|---|---|---|---|---|---|
Configuration Mode A | Configuration Mode B | Operational Mode | ||||
Read | Write | Read | Write | Read | Write | |
0x000 | UART_DLL | UART_DLL | UART_DLL | UART_DLL | UART_RHR | UART_THR |
0x004 | UART_DLH | UART_DLH | UART_DLH | UART_DLH | UART_IER_UART | UART_IER_UART |
0x008 | UART_IIR_UART | UART_FCR | UART_EFR | UART_EFR | UART_IIR_UART | UART_FCR |
0x00C | UART_LCR | UART_LCR | UART_LCR | UART_LCR | UART_LCR | UART_LCR |
0x010 | UART_MCR | UART_MCR | UART_XON1_ADDR1 | UART_XON1_ADDR1 | UART_MCR | UART_MCR |
0x014 | UART_LSR_UART | – | UART_XON2_ADDR2 | UART_XON2_ADDR2 | UART_LSR_UART | – |
0x018 | UART_MSR /UART_TCR | UART_TCR | UART_TCR /UART_XOFF1 | UART_TCR /UART_XOFF1 | UART_MSR /UART_TCR | UART_TCR |
0x01C | UART_SPR /UART_TLR | UART_SPR /UART_TLR | UART_TLR /UART_XOFF2 | UART_TLR /UART_XOFF2 | UART_SPR /UART_TLR | UART_SPR /UART_TLR |
0x020 | UART_MDR1 | UART_MDR1 | UART_MDR1 | UART_MDR1 | UART_MDR1 | UART_MDR1 |
0x024 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 | UART_MDR2 |
0x028 | UART_SFLSR | UART_TXFLL | UART_SFLSR | UART_TXFLL | UART_SFLSR | UART_TXFLL |
0x02C | UART_RESUME | UART_TXFLH | UART_RESUME | UART_TXFLH | UART_RESUME | UART_TXFLH |
0x030 | UART_SFREGL | UART_RXFLL | UART_SFREGL | UART_RXFLL | UART_SFREGL | UART_RXFLL |
0x034 | UART_SFREGH | UART_RXFLH | UART_SFREGH | UART_RXFLH | UART_SFREGH | UART_RXFLH |
0x038 | UART_UASR | – | UART_UASR | – | UART_BLR | UART_BLR |
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 | UART_WER | UART_WER | UART_WER | UART_WER | UART_WER |
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 |