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STPM32TR 数据表(PDF) 77 Page - STMicroelectronics |
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STPM32TR 数据表(HTML) 77 Page - STMicroelectronics |
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77 / 121 page ![]() DS10272 Rev 8 77/121 STPM32, STPM33, STPM34 Theory of operation 121 UART/SPI read address error: read address out of range (not read address not readable) SPI TX empty: transmission buffer empty (for SPI diagnostic, not recommended for normal IRQ operations) SPI RX full: reception buffer full (for SPI diagnostic, not recommended for normal IRQ operations) UART TX overrun: occurs when master and slave have different baud rates and master transmits before reception has ended UART RX overrun: active when received data have not been correctly processed UART noise error: noisy bit detected UART frame error: missing stop bit detected UART timeout error: timeout counter expired UART CRC error: CRC error detected UART break: break frame (all zeros) received Read-write status bits are set by the occurrence of the related event and are not reset when the event ceases, on contrary master can only reset them transmitting a write sequence addressed to memory location 0x28. |
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