Wybrane cechy USART/LPUART i SPI w STM32N6
Źródło: STMicroelectronics, STM32N6x5xx STM32N6x7xx datasheet DS14791 Rev 9, 2025, strony PDF: 73-74. Podpis w źródle: Table 13. USART/LPUART features; Table 14. SPI features
Porównanie wariantów funkcji USART/LPUART i SPI przydatne przy projektowaniu akwizycji danych, synchronizacji i sterowania aparaturą.
Pokazano 16 z 16 wierszy.
| Peryferium | Cecha | Full / SPI główne | Basic / SPI poboczne | Low-power |
|---|---|---|---|---|
| USART/LPUART | Hardware flow control for modem | X | X | X |
| USART/LPUART | Continuous communication using DMA | X | X | X |
| USART/LPUART | Multiprocessor communication | X | X | X |
| USART/LPUART | Synchronous mode | X | - | - |
| USART/LPUART | Smartcard mode | X | - | - |
| USART/LPUART | IrDA SIR ENDEC block | X | X | - |
| USART/LPUART | LIN mode | X | X | - |
| USART/LPUART | Modbus communication | X | X | - |
| USART/LPUART | Auto baud rate detection | X | X | - |
| USART/LPUART | USART data length | 7, 8 and 9 bits | 7, 8 and 9 bits | 7, 8 and 9 bits |
| USART/LPUART | Tx/Rx FIFO size | 16 bytes | 16 bytes | 16 bytes |
| SPI | Data and CRC size | SPI1/SPI2/SPI3/SPI6: 4 to 32 bits | SPI4/SPI5: 4 to 16 bits | |
| SPI | CRC computation | CRC polynomial length 5 to 33 bits | CRC polynomial length 5 to 17 bits | |
| SPI | Size of FIFOs | 16x8 bits | 8x8 bits | |
| SPI | Number of data control (TSIZE) | Up to 65536 | Up to 65536 | |
| SPI | I2S feature | Yes | No |